NOTE: The methodology used to conduct significance testing for State estimates between the 2009-2010 and the 2010-2011 NSDUHs and to calculate p values is provided after Tables 1 to 26.
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006. See Section B.4.8 in Appendix B of the Results from the 2008 National Survey on Drug Use and Health: National Findings. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 8.82 | 8.82 | 0.983 | 10.12 | 10.12 | 0.988 | 21.46 | 21.49 | 0.914 | 6.46 | 6.46 | 0.991 |
| Northeast | 9.49 | 9.28 | 0.332 | 10.50 | 10.47 | 0.945 | 24.77b | 23.56 | 0.059 | 6.79 | 6.75 | 0.882 |
| Midwest | 8.10a | 8.41 | 0.042 | 9.76 | 9.54 | 0.424 | 20.34 | 20.86 | 0.284 | 5.75b | 6.11 | 0.077 |
| South | 7.86 | 7.70 | 0.284 | 9.25 | 9.19 | 0.822 | 19.33 | 19.22 | 0.816 | 5.72 | 5.53 | 0.330 |
| West | 10.48 | 10.62 | 0.586 | 11.49 | 11.81 | 0.443 | 23.24 | 24.02 | 0.230 | 8.03 | 8.05 | 0.963 |
| Alabama | 7.25 | 7.59 | 0.453 | 9.28 | 9.15 | 0.882 | 17.60 | 17.27 | 0.790 | 5.22 | 5.70 | 0.384 |
| Alaska | 14.15 | 13.65 | 0.556 | 10.59 | 11.09 | 0.631 | 27.65 | 26.04 | 0.341 | 12.00 | 11.59 | 0.708 |
| Arizona | 9.53 | 9.52 | 0.986 | 10.87 | 11.34 | 0.645 | 20.02 | 19.94 | 0.955 | 7.58 | 7.51 | 0.916 |
| Arkansas | 7.80 | 7.61 | 0.676 | 9.73 | 9.28 | 0.622 | 18.04 | 17.90 | 0.916 | 5.87 | 5.66 | 0.718 |
| California | 10.43 | 10.47 | 0.909 | 11.91 | 12.14 | 0.724 | 23.10 | 24.09 | 0.298 | 7.82 | 7.70 | 0.800 |
| Colorado | 13.48 | 13.39 | 0.901 | 12.63 | 13.24 | 0.593 | 29.88 | 30.50 | 0.697 | 10.75 | 10.45 | 0.722 |
| Connecticut | 9.52 | 9.10 | 0.390 | 10.54 | 10.33 | 0.828 | 26.07 | 24.37 | 0.284 | 6.70 | 6.48 | 0.713 |
| Delaware | 8.48 | 8.99 | 0.304 | 11.33 | 11.25 | 0.941 | 23.45 | 24.26 | 0.619 | 5.67 | 6.18 | 0.400 |
| District of Columbia | 12.28b | 13.56 | 0.100 | 13.54 | 14.52 | 0.446 | 24.01 | 25.51 | 0.434 | 9.60 | 10.78 | 0.203 |
| Florida | 8.42 | 8.32 | 0.789 | 9.77 | 9.10 | 0.211 | 20.02 | 21.00 | 0.263 | 6.52 | 6.31 | 0.628 |
| Georgia | 7.32a | 6.51 | 0.042 | 8.91 | 8.74 | 0.827 | 17.84 | 16.85 | 0.438 | 5.26b | 4.37 | 0.063 |
| Hawaii | 9.69 | 8.76 | 0.163 | 10.33 | 10.95 | 0.582 | 23.44a | 20.12 | 0.039 | 7.43 | 6.76 | 0.412 |
| Idaho | 9.56 | 9.36 | 0.705 | 10.06 | 10.17 | 0.903 | 20.56 | 19.25 | 0.314 | 7.48 | 7.42 | 0.921 |
| Illinois | 8.35 | 8.55 | 0.525 | 10.18 | 9.69 | 0.428 | 22.07 | 22.32 | 0.769 | 5.64 | 6.00 | 0.361 |
| Indiana | 8.44 | 8.98 | 0.282 | 9.66 | 9.13 | 0.568 | 20.56 | 21.95 | 0.287 | 6.18 | 6.66 | 0.461 |
| Iowa | 5.82 | 6.38 | 0.141 | 9.72 | 8.58 | 0.201 | 15.51b | 17.50 | 0.095 | 3.60 | 4.11 | 0.266 |
| Kansas | 7.07 | 6.71 | 0.365 | 9.24 | 8.41 | 0.296 | 17.43 | 16.91 | 0.651 | 4.81 | 4.58 | 0.634 |
| Kentucky | 7.01 | 6.94 | 0.879 | 8.39 | 8.53 | 0.865 | 17.91 | 17.74 | 0.885 | 5.10 | 4.97 | 0.799 |
| Louisiana | 7.52 | 6.80 | 0.101 | 7.95 | 8.14 | 0.800 | 19.87a | 16.91 | 0.015 | 5.11 | 4.72 | 0.479 |
| Maine | 11.79a | 9.60 | 0.002 | 10.79 | 10.48 | 0.742 | 31.36a | 26.31 | 0.003 | 9.11a | 7.09 | 0.015 |
| Maryland | 8.11b | 7.40 | 0.097 | 10.12 | 8.91 | 0.175 | 21.44 | 20.26 | 0.409 | 5.61 | 5.07 | 0.290 |
| Massachusetts | 12.12 | 11.55 | 0.359 | 12.42 | 12.94 | 0.612 | 31.15 | 30.23 | 0.569 | 8.71 | 8.11 | 0.422 |
| Michigan | 10.37 | 10.71 | 0.351 | 10.64 | 10.95 | 0.585 | 22.70 | 23.30 | 0.492 | 8.21 | 8.51 | 0.529 |
| Minnesota | 6.97a | 8.20 | 0.008 | 8.14 | 9.30 | 0.212 | 18.60a | 21.36 | 0.041 | 4.83b | 5.84 | 0.074 |
| Mississippi | 6.95a | 8.15 | 0.007 | 9.26 | 9.59 | 0.713 | 16.67 | 18.62 | 0.129 | 4.81a | 6.00 | 0.038 |
| Missouri | 7.70 | 7.30 | 0.378 | 8.55 | 9.20 | 0.433 | 20.12 | 20.61 | 0.726 | 5.50 | 4.79 | 0.191 |
| Montana | 10.77a | 12.04 | 0.046 | 11.66 | 12.66 | 0.355 | 25.61 | 27.39 | 0.223 | 8.08 | 9.32 | 0.110 |
| Nebraska | 7.01 | 6.66 | 0.406 | 8.27 | 7.83 | 0.564 | 17.61 | 16.19 | 0.211 | 4.80 | 4.74 | 0.905 |
| Nevada | 9.70 | 9.93 | 0.710 | 11.33 | 11.61 | 0.812 | 22.23 | 22.69 | 0.756 | 7.56 | 7.68 | 0.877 |
| New Hampshire | 12.15b | 10.95 | 0.058 | 13.17 | 12.83 | 0.741 | 31.96 | 30.77 | 0.460 | 8.89b | 7.57 | 0.087 |
| New Jersey | 7.33 | 7.98 | 0.127 | 8.83 | 9.99 | 0.194 | 20.28 | 21.92 | 0.288 | 5.14 | 5.62 | 0.338 |
| New Mexico | 10.07 | 10.59 | 0.458 | 12.36 | 12.13 | 0.849 | 22.69 | 24.83 | 0.156 | 7.47 | 7.85 | 0.648 |
| New York | 9.82 | 9.29 | 0.154 | 10.86 | 10.22 | 0.286 | 24.39a | 22.04 | 0.020 | 7.12 | 6.96 | 0.727 |
| North Carolina | 8.88 | 8.86 | 0.975 | 9.79 | 10.33 | 0.574 | 22.23 | 24.05 | 0.215 | 6.54 | 6.15 | 0.488 |
| North Dakota | 5.30 | 5.53 | 0.609 | 7.45 | 6.98 | 0.573 | 11.98 | 13.04 | 0.328 | 3.51 | 3.68 | 0.755 |
| Ohio | 7.87a | 8.50 | 0.047 | 10.33 | 9.77 | 0.304 | 20.86 | 21.23 | 0.658 | 5.44a | 6.25 | 0.037 |
| Oklahoma | 9.66 | 9.02 | 0.335 | 9.99 | 10.11 | 0.901 | 21.82b | 19.36 | 0.093 | 7.38 | 6.99 | 0.648 |
| Oregon | 12.63 | 13.10 | 0.548 | 12.86 | 12.69 | 0.865 | 28.03 | 28.43 | 0.805 | 10.13 | 10.66 | 0.575 |
| Pennsylvania | 7.99 | 8.07 | 0.796 | 9.51 | 9.27 | 0.679 | 21.70 | 20.52 | 0.175 | 5.55 | 5.86 | 0.434 |
| Rhode Island | 13.21b | 14.52 | 0.077 | 12.85 | 13.39 | 0.649 | 32.35 | 34.15 | 0.322 | 9.64 | 10.91 | 0.180 |
| South Carolina | 8.88a | 7.41 | 0.005 | 8.70 | 8.83 | 0.873 | 21.11a | 17.98 | 0.023 | 6.87a | 5.45 | 0.027 |
| South Dakota | 6.07 | 5.95 | 0.782 | 8.62 | 8.12 | 0.607 | 15.03 | 14.20 | 0.498 | 4.12 | 4.20 | 0.873 |
| Tennessee | 7.07 | 7.62 | 0.217 | 8.31 | 8.92 | 0.447 | 17.60 | 18.75 | 0.371 | 5.27 | 5.65 | 0.486 |
| Texas | 7.32 | 7.15 | 0.513 | 9.09 | 9.06 | 0.955 | 17.98 | 17.40 | 0.485 | 5.03 | 4.92 | 0.731 |
| Utah | 5.60b | 4.96 | 0.084 | 6.89 | 5.94 | 0.171 | 12.14 | 10.51 | 0.135 | 3.80 | 3.49 | 0.519 |
| Vermont | 13.73b | 15.29 | 0.064 | 12.80a | 15.45 | 0.035 | 35.09 | 35.02 | 0.965 | 10.15 | 11.80 | 0.116 |
| Virginia | 7.53 | 7.98 | 0.270 | 9.13 | 9.45 | 0.714 | 19.68 | 21.02 | 0.310 | 5.22 | 5.53 | 0.534 |
| Washington | 10.82b | 11.92 | 0.053 | 10.81b | 12.53 | 0.095 | 26.07a | 29.01 | 0.047 | 8.32 | 9.01 | 0.334 |
| West Virginia | 8.40 | 8.04 | 0.463 | 9.36 | 10.08 | 0.443 | 22.12 | 22.08 | 0.976 | 6.22 | 5.67 | 0.346 |
| Wisconsin | 7.77 | 7.77 | 0.995 | 10.04 | 9.34 | 0.428 | 19.95 | 18.85 | 0.367 | 5.37 | 5.67 | 0.599 |
| Wyoming | 7.07 | 7.13 | 0.907 | 10.46a | 8.46 | 0.032 | 18.14 | 16.31 | 0.168 | 4.63 | 5.31 | 0.298 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 11.47 | 11.55 | 0.600 | 13.84 | 14.13 | 0.221 | 30.39 | 30.38 | 0.973 | 7.88 | 7.95 | 0.664 |
| Northeast | 12.87 | 12.55 | 0.161 | 14.77 | 14.77 | 0.994 | 35.60a | 34.06 | 0.022 | 8.81 | 8.68 | 0.640 |
| Midwest | 10.79 | 11.00 | 0.207 | 13.04 | 13.00 | 0.900 | 29.66 | 30.05 | 0.452 | 7.21 | 7.44 | 0.267 |
| South | 9.94 | 9.97 | 0.872 | 12.60 | 12.79 | 0.518 | 26.58 | 26.95 | 0.461 | 6.75 | 6.68 | 0.735 |
| West | 13.44 | 13.79 | 0.187 | 15.81b | 16.75 | 0.071 | 32.87 | 33.17 | 0.683 | 9.59 | 9.90 | 0.346 |
| Alabama | 9.01 | 9.03 | 0.978 | 10.80 | 11.36 | 0.538 | 22.93 | 22.69 | 0.865 | 6.40 | 6.34 | 0.921 |
| Alaska | 17.51 | 17.65 | 0.871 | 16.11 | 17.26 | 0.369 | 36.77 | 37.79 | 0.555 | 13.92 | 13.78 | 0.894 |
| Arizona | 11.26 | 11.58 | 0.569 | 15.01 | 15.77 | 0.516 | 27.76 | 27.74 | 0.989 | 7.98 | 8.29 | 0.649 |
| Arkansas | 9.38 | 9.27 | 0.814 | 11.89 | 11.70 | 0.843 | 23.77 | 24.25 | 0.737 | 6.69 | 6.43 | 0.660 |
| California | 13.74 | 14.03 | 0.488 | 15.88 | 16.93 | 0.199 | 32.87 | 33.11 | 0.830 | 9.81 | 10.07 | 0.611 |
| Colorado | 16.93 | 16.23 | 0.324 | 19.05 | 19.11 | 0.972 | 40.92 | 41.29 | 0.838 | 12.54 | 11.54 | 0.244 |
| Connecticut | 13.79 | 13.39 | 0.540 | 16.77 | 16.25 | 0.692 | 39.03 | 36.94 | 0.267 | 9.31 | 9.23 | 0.917 |
| Delaware | 12.42 | 13.25 | 0.180 | 16.71 | 16.48 | 0.853 | 35.65 | 36.95 | 0.464 | 8.09 | 8.91 | 0.266 |
| District of Columbia | 16.14a | 18.48 | 0.011 | 16.66 | 18.23 | 0.229 | 34.39 | 36.90 | 0.211 | 12.08a | 14.33 | 0.033 |
| Florida | 10.76 | 10.99 | 0.554 | 14.10 | 13.80 | 0.629 | 28.67a | 31.19 | 0.010 | 7.70 | 7.61 | 0.849 |
| Georgia | 10.44a | 9.48 | 0.050 | 13.25 | 12.62 | 0.517 | 26.24 | 24.80 | 0.357 | 7.29b | 6.32 | 0.089 |
| Hawaii | 11.62 | 11.86 | 0.716 | 13.86 | 14.95 | 0.436 | 31.46 | 29.53 | 0.280 | 8.22 | 8.79 | 0.469 |
| Idaho | 12.30 | 11.50 | 0.179 | 13.96 | 14.06 | 0.921 | 29.75a | 25.92 | 0.016 | 8.89 | 8.48 | 0.560 |
| Illinois | 11.27 | 11.40 | 0.705 | 13.40 | 13.08 | 0.594 | 31.15 | 31.68 | 0.589 | 7.40 | 7.64 | 0.571 |
| Indiana | 10.18 | 10.29 | 0.823 | 12.38 | 11.30 | 0.257 | 28.29 | 28.63 | 0.825 | 6.76 | 6.90 | 0.816 |
| Iowa | 8.86b | 9.89 | 0.055 | 13.13 | 12.91 | 0.836 | 24.46a | 27.87 | 0.033 | 5.53 | 6.29 | 0.221 |
| Kansas | 9.71 | 9.56 | 0.755 | 12.59 | 13.20 | 0.572 | 26.91 | 26.63 | 0.849 | 6.04 | 5.87 | 0.753 |
| Kentucky | 8.10 | 8.80 | 0.106 | 11.19 | 12.16 | 0.321 | 22.88 | 23.64 | 0.614 | 5.37 | 5.94 | 0.256 |
| Louisiana | 8.73 | 8.58 | 0.758 | 10.55 | 10.85 | 0.722 | 24.09 | 21.98 | 0.114 | 5.55 | 5.77 | 0.705 |
| Maine | 14.68 | 14.13 | 0.461 | 15.28 | 15.87 | 0.620 | 41.89a | 37.55 | 0.019 | 10.76 | 10.57 | 0.820 |
| Maryland | 10.09 | 9.96 | 0.816 | 13.72 | 13.15 | 0.625 | 30.94 | 31.36 | 0.827 | 6.12 | 6.01 | 0.852 |
| Massachusetts | 16.73 | 15.89 | 0.230 | 17.38 | 18.31 | 0.478 | 44.29 | 42.33 | 0.296 | 11.77 | 10.98 | 0.337 |
| Michigan | 13.05 | 13.20 | 0.703 | 14.30 | 14.29 | 0.989 | 32.59 | 33.35 | 0.421 | 9.53 | 9.58 | 0.917 |
| Minnesota | 10.61 | 10.93 | 0.507 | 11.90 | 13.19 | 0.193 | 30.02 | 32.04 | 0.222 | 7.11 | 7.09 | 0.973 |
| Mississippi | 8.50a | 9.76 | 0.007 | 10.65 | 11.94 | 0.176 | 21.70b | 24.09 | 0.081 | 5.73b | 6.78 | 0.063 |
| Missouri | 10.23 | 10.09 | 0.779 | 12.15 | 13.07 | 0.348 | 27.60 | 27.65 | 0.970 | 7.06 | 6.71 | 0.566 |
| Montana | 14.61a | 16.35 | 0.010 | 16.83a | 20.12 | 0.016 | 37.60 | 38.73 | 0.531 | 10.35a | 12.07 | 0.032 |
| Nebraska | 9.55 | 9.20 | 0.455 | 10.81 | 11.13 | 0.724 | 26.28 | 25.00 | 0.382 | 6.16 | 6.01 | 0.794 |
| Nevada | 11.25a | 12.75 | 0.017 | 15.02 | 17.16 | 0.128 | 28.03a | 31.87 | 0.040 | 8.19 | 9.15 | 0.188 |
| New Hampshire | 15.26b | 14.07 | 0.080 | 18.45 | 18.51 | 0.960 | 41.74 | 41.35 | 0.821 | 10.70b | 9.20 | 0.073 |
| New Jersey | 10.62 | 10.73 | 0.817 | 13.61 | 14.40 | 0.458 | 31.78 | 31.79 | 0.993 | 7.00 | 7.10 | 0.852 |
| New Mexico | 12.50 | 13.29 | 0.204 | 18.12 | 18.66 | 0.691 | 31.97 | 33.94 | 0.291 | 8.21 | 8.92 | 0.328 |
| New York | 13.00 | 12.47 | 0.187 | 14.32 | 13.95 | 0.603 | 34.56a | 31.68 | 0.006 | 9.03 | 8.95 | 0.862 |
| North Carolina | 10.67 | 11.15 | 0.344 | 12.38b | 14.33 | 0.076 | 30.26 | 32.69 | 0.113 | 7.19 | 7.17 | 0.972 |
| North Dakota | 8.35 | 8.91 | 0.252 | 9.84 | 11.05 | 0.230 | 22.55 | 24.50 | 0.174 | 4.89 | 5.17 | 0.604 |
| Ohio | 10.37a | 11.50 | 0.001 | 13.13 | 13.48 | 0.583 | 30.67 | 31.40 | 0.445 | 6.71a | 7.99 | 0.003 |
| Oklahoma | 11.09b | 10.15 | 0.100 | 13.92 | 13.60 | 0.775 | 27.95a | 24.71 | 0.042 | 7.62 | 7.03 | 0.381 |
| Oregon | 15.79 | 16.01 | 0.768 | 19.53 | 18.63 | 0.459 | 38.90 | 39.19 | 0.877 | 11.66 | 11.96 | 0.731 |
| Pennsylvania | 10.97 | 10.82 | 0.705 | 13.62 | 12.94 | 0.311 | 31.43 | 31.16 | 0.803 | 7.29 | 7.19 | 0.832 |
| Rhode Island | 16.10a | 17.85 | 0.015 | 17.03 | 18.49 | 0.283 | 42.69 | 44.77 | 0.277 | 10.98b | 12.64 | 0.059 |
| South Carolina | 10.52 | 10.66 | 0.808 | 12.07 | 13.59 | 0.135 | 28.75 | 27.57 | 0.460 | 7.31 | 7.45 | 0.834 |
| South Dakota | 8.79 | 8.32 | 0.310 | 11.22 | 11.53 | 0.777 | 25.66 | 23.75 | 0.223 | 5.40 | 5.15 | 0.642 |
| Tennessee | 9.49 | 9.36 | 0.795 | 11.08 | 11.47 | 0.663 | 25.96 | 24.70 | 0.393 | 6.71 | 6.62 | 0.880 |
| Texas | 9.19 | 9.28 | 0.744 | 12.38 | 12.33 | 0.934 | 23.83 | 24.21 | 0.666 | 5.93 | 6.00 | 0.858 |
| Utah | 6.94 | 7.06 | 0.801 | 9.27 | 9.56 | 0.751 | 18.52 | 18.25 | 0.857 | 3.70 | 3.97 | 0.600 |
| Vermont | 16.99a | 18.76 | 0.025 | 17.88a | 20.82 | 0.033 | 46.35 | 46.82 | 0.793 | 11.83b | 13.60 | 0.066 |
| Virginia | 10.35 | 9.98 | 0.438 | 13.10 | 12.88 | 0.820 | 29.32 | 28.92 | 0.801 | 6.71 | 6.33 | 0.489 |
| Washington | 13.98b | 15.10 | 0.093 | 15.32b | 17.48 | 0.087 | 38.50 | 38.71 | 0.895 | 9.81 | 10.90 | 0.177 |
| West Virginia | 10.28 | 10.37 | 0.873 | 12.36 | 13.61 | 0.243 | 27.49 | 28.79 | 0.407 | 7.47 | 7.20 | 0.667 |
| Wisconsin | 10.50b | 9.57 | 0.059 | 13.94 | 12.18 | 0.108 | 29.61b | 26.81 | 0.068 | 6.75 | 6.27 | 0.416 |
| Wyoming | 9.27 | 9.64 | 0.524 | 13.83 | 13.11 | 0.523 | 25.60 | 26.31 | 0.676 | 5.72 | 6.21 | 0.463 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 6.77 | 6.94 | 0.143 | 7.38 | 7.64 | 0.130 | 18.39 | 18.78 | 0.144 | 4.68 | 4.80 | 0.356 |
| Northeast | 7.55 | 7.45 | 0.599 | 8.43 | 8.49 | 0.822 | 21.98 | 21.33 | 0.285 | 5.01 | 5.00 | 0.965 |
| Midwest | 6.34a | 6.62 | 0.039 | 7.13 | 7.10 | 0.914 | 17.55 | 18.14 | 0.205 | 4.28 | 4.55 | 0.102 |
| South | 5.73 | 5.83 | 0.473 | 6.44 | 6.63 | 0.390 | 16.18 | 16.40 | 0.606 | 3.85 | 3.90 | 0.792 |
| West | 8.21a | 8.61 | 0.048 | 8.32a | 9.09 | 0.034 | 19.80a | 21.09 | 0.032 | 6.09 | 6.30 | 0.411 |
| Alabama | 4.94 | 5.20 | 0.418 | 5.75 | 6.29 | 0.458 | 13.90 | 13.87 | 0.979 | 3.30 | 3.54 | 0.516 |
| Alaska | 11.84 | 11.43 | 0.570 | 8.64 | 8.82 | 0.847 | 24.46 | 24.31 | 0.926 | 9.82 | 9.29 | 0.562 |
| Arizona | 6.52 | 7.02 | 0.229 | 7.58 | 8.23 | 0.483 | 15.95 | 17.03 | 0.405 | 4.78 | 5.15 | 0.468 |
| Arkansas | 5.47 | 5.09 | 0.283 | 6.38 | 6.07 | 0.698 | 13.88 | 13.82 | 0.954 | 3.96 | 3.49 | 0.276 |
| California | 8.23 | 8.61 | 0.225 | 8.60 | 9.43 | 0.144 | 19.94 | 21.25 | 0.133 | 5.96 | 6.14 | 0.651 |
| Colorado | 11.29 | 10.98 | 0.584 | 9.91 | 10.72 | 0.476 | 26.35 | 27.26 | 0.587 | 8.86 | 8.19 | 0.334 |
| Connecticut | 7.69 | 7.25 | 0.307 | 8.86 | 8.59 | 0.779 | 23.56 | 21.92 | 0.285 | 4.96 | 4.71 | 0.631 |
| Delaware | 6.98 | 7.01 | 0.940 | 8.49 | 8.28 | 0.817 | 21.05 | 21.43 | 0.807 | 4.48 | 4.45 | 0.955 |
| District of Columbia | 10.04b | 11.15 | 0.094 | 9.31 | 10.60 | 0.235 | 21.14 | 23.08 | 0.307 | 7.67 | 8.50 | 0.273 |
| Florida | 6.10 | 6.36 | 0.331 | 6.92 | 6.81 | 0.826 | 17.22a | 18.78 | 0.046 | 4.33 | 4.43 | 0.774 |
| Georgia | 5.50b | 4.97 | 0.100 | 6.42 | 6.51 | 0.903 | 14.91 | 14.19 | 0.528 | 3.73 | 3.12 | 0.113 |
| Hawaii | 7.88b | 6.93 | 0.084 | 7.90 | 8.29 | 0.703 | 19.89 | 17.58 | 0.121 | 5.97 | 5.13 | 0.206 |
| Idaho | 7.29 | 7.13 | 0.732 | 7.63 | 7.47 | 0.851 | 16.49 | 15.67 | 0.471 | 5.56 | 5.51 | 0.934 |
| Illinois | 6.50 | 6.87 | 0.147 | 7.53 | 7.61 | 0.880 | 18.79 | 19.56 | 0.332 | 4.15 | 4.55 | 0.194 |
| Indiana | 6.10 | 6.52 | 0.277 | 6.68 | 6.51 | 0.831 | 17.50 | 18.22 | 0.562 | 4.05 | 4.44 | 0.419 |
| Iowa | 4.92 | 5.18 | 0.461 | 6.94 | 6.08 | 0.280 | 14.27 | 15.51 | 0.243 | 2.99 | 3.21 | 0.616 |
| Kansas | 5.33 | 5.44 | 0.730 | 6.42 | 6.31 | 0.883 | 14.07 | 14.42 | 0.740 | 3.52 | 3.64 | 0.762 |
| Kentucky | 4.58b | 5.08 | 0.083 | 5.44 | 6.36 | 0.198 | 14.26 | 15.08 | 0.466 | 2.93 | 3.27 | 0.311 |
| Louisiana | 5.19 | 4.84 | 0.287 | 5.28 | 5.48 | 0.735 | 15.76a | 13.49 | 0.032 | 3.17 | 3.14 | 0.947 |
| Maine | 9.77a | 8.05 | 0.003 | 8.94 | 9.14 | 0.826 | 27.34a | 23.75 | 0.021 | 7.36a | 5.66 | 0.015 |
| Maryland | 6.11 | 5.55 | 0.110 | 7.07 | 6.12 | 0.268 | 19.01 | 17.77 | 0.357 | 3.81 | 3.44 | 0.364 |
| Massachusetts | 10.11 | 9.96 | 0.771 | 10.27 | 11.32 | 0.320 | 27.98 | 28.42 | 0.778 | 6.92 | 6.56 | 0.548 |
| Michigan | 8.43 | 8.67 | 0.457 | 8.09 | 8.21 | 0.820 | 20.06 | 20.94 | 0.300 | 6.47 | 6.62 | 0.721 |
| Minnesota | 5.93 | 6.44 | 0.176 | 6.09 | 6.83 | 0.352 | 16.76 | 18.73 | 0.136 | 4.05 | 4.32 | 0.539 |
| Mississippi | 4.69a | 5.91 | 0.000 | 5.22 | 6.27 | 0.133 | 12.57a | 15.06 | 0.030 | 3.15a | 4.16 | 0.017 |
| Missouri | 6.13 | 6.04 | 0.811 | 6.42 | 7.28 | 0.270 | 17.44 | 18.31 | 0.501 | 4.18 | 3.79 | 0.357 |
| Montana | 9.24a | 10.32 | 0.044 | 9.61 | 10.40 | 0.434 | 22.71 | 24.66 | 0.139 | 6.84 | 7.84 | 0.142 |
| Nebraska | 5.88 | 5.57 | 0.370 | 6.30 | 6.16 | 0.839 | 15.44 | 13.81 | 0.125 | 3.98 | 3.96 | 0.965 |
| Nevada | 7.01 | 7.64 | 0.154 | 7.61 | 8.53 | 0.361 | 18.16 | 19.68 | 0.269 | 5.22 | 5.61 | 0.474 |
| New Hampshire | 9.96a | 8.66 | 0.014 | 11.51 | 11.35 | 0.890 | 28.29 | 27.03 | 0.424 | 6.88a | 5.42 | 0.024 |
| New Jersey | 5.66a | 6.40 | 0.021 | 7.21 | 8.01 | 0.341 | 17.95 | 19.54 | 0.268 | 3.58b | 4.22 | 0.079 |
| New Mexico | 7.73 | 8.29 | 0.232 | 9.34 | 9.27 | 0.951 | 19.25 | 21.27 | 0.144 | 5.41 | 5.85 | 0.459 |
| New York | 7.75 | 7.40 | 0.260 | 8.58 | 8.08 | 0.336 | 21.46b | 19.85 | 0.080 | 5.22 | 5.15 | 0.849 |
| North Carolina | 7.07 | 7.34 | 0.441 | 7.10 | 8.03 | 0.267 | 19.72 | 21.65 | 0.139 | 4.96 | 4.87 | 0.843 |
| North Dakota | 4.10 | 4.54 | 0.165 | 4.40 | 4.78 | 0.586 | 9.98 | 11.30 | 0.143 | 2.71 | 3.00 | 0.470 |
| Ohio | 6.03b | 6.47 | 0.083 | 7.61 | 7.10 | 0.314 | 18.34 | 18.30 | 0.956 | 3.81a | 4.45 | 0.042 |
| Oklahoma | 6.90 | 6.58 | 0.455 | 7.17 | 7.20 | 0.970 | 17.36b | 15.15 | 0.076 | 4.94 | 4.92 | 0.977 |
| Oregon | 10.21 | 10.98 | 0.240 | 9.46 | 10.26 | 0.412 | 23.88 | 25.35 | 0.349 | 8.11 | 8.73 | 0.437 |
| Pennsylvania | 6.17 | 6.12 | 0.865 | 7.40 | 7.17 | 0.636 | 19.18 | 18.28 | 0.304 | 3.88 | 3.98 | 0.758 |
| Rhode Island | 10.80a | 11.93 | 0.044 | 9.63 | 11.07 | 0.205 | 29.83 | 32.05 | 0.190 | 7.34 | 8.20 | 0.201 |
| South Carolina | 5.99 | 5.94 | 0.889 | 5.74 | 6.37 | 0.375 | 17.59 | 16.02 | 0.215 | 4.10 | 4.18 | 0.852 |
| South Dakota | 4.92 | 5.05 | 0.727 | 5.51 | 5.76 | 0.737 | 13.31 | 12.96 | 0.743 | 3.32 | 3.54 | 0.617 |
| Tennessee | 4.67a | 5.44 | 0.019 | 5.34 | 6.24 | 0.178 | 14.17 | 14.98 | 0.485 | 3.09b | 3.79 | 0.079 |
| Texas | 5.40 | 5.47 | 0.753 | 6.49 | 6.32 | 0.712 | 14.74 | 14.70 | 0.953 | 3.46 | 3.59 | 0.649 |
| Utah | 3.11b | 3.56 | 0.095 | 3.68 | 3.72 | 0.939 | 7.74 | 8.31 | 0.502 | 1.90 | 2.41 | 0.138 |
| Vermont | 11.57a | 13.12 | 0.026 | 10.65a | 14.04 | 0.004 | 32.01 | 33.18 | 0.478 | 8.15 | 9.48 | 0.108 |
| Virginia | 5.85 | 5.93 | 0.825 | 6.74 | 7.22 | 0.543 | 17.40 | 17.87 | 0.714 | 3.73 | 3.69 | 0.912 |
| Washington | 8.86a | 9.88 | 0.029 | 8.01b | 9.59 | 0.091 | 22.74b | 25.56 | 0.052 | 6.69 | 7.32 | 0.261 |
| West Virginia | 5.99 | 5.98 | 0.979 | 6.14 | 7.33 | 0.148 | 18.89 | 19.69 | 0.543 | 4.03 | 3.74 | 0.448 |
| Wisconsin | 5.67 | 5.76 | 0.812 | 6.87 | 6.36 | 0.531 | 15.81 | 15.57 | 0.838 | 3.76 | 3.99 | 0.604 |
| Wyoming | 5.37 | 5.13 | 0.577 | 7.07a | 5.29 | 0.041 | 15.26 | 14.14 | 0.367 | 3.35 | 3.48 | 0.811 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 33.57a | 32.32 | 0.000 | 29.93a | 28.58 | 0.000 | 19.24a | 18.29 | 0.001 | 36.52a | 35.23 | 0.000 |
| Northeast | 31.35b | 30.60 | 0.100 | 26.17b | 25.25 | 0.066 | 16.00 | 15.80 | 0.668 | 34.55 | 33.71 | 0.146 |
| Midwest | 31.95a | 31.10 | 0.011 | 31.09a | 29.30 | 0.000 | 17.48 | 17.02 | 0.225 | 34.59b | 33.77 | 0.052 |
| South | 37.98a | 36.08 | 0.000 | 32.77a | 31.64 | 0.010 | 22.15a | 21.05 | 0.009 | 41.35a | 39.23 | 0.000 |
| West | 29.89a | 28.86 | 0.031 | 27.27a | 25.60 | 0.004 | 18.88a | 17.09 | 0.001 | 32.24 | 31.42 | 0.173 |
| Alabama | 41.00a | 38.38 | 0.024 | 40.12 | 38.29 | 0.217 | 28.46a | 24.56 | 0.010 | 43.26b | 40.81 | 0.099 |
| Alaska | 24.37a | 22.26 | 0.044 | 25.56 | 24.82 | 0.661 | 14.70b | 12.46 | 0.066 | 26.10b | 23.81 | 0.091 |
| Arizona | 31.99b | 29.94 | 0.079 | 27.03 | 25.92 | 0.430 | 21.41a | 17.74 | 0.008 | 34.42 | 32.54 | 0.208 |
| Arkansas | 37.94a | 34.93 | 0.013 | 34.01 | 32.94 | 0.475 | 21.21 | 20.15 | 0.411 | 41.20a | 37.68 | 0.021 |
| California | 31.22 | 30.53 | 0.326 | 26.14b | 24.65 | 0.085 | 20.22a | 18.45 | 0.037 | 34.01 | 33.58 | 0.635 |
| Colorado | 22.32 | 21.00 | 0.218 | 23.10 | 21.09 | 0.134 | 13.21a | 10.90 | 0.026 | 23.80 | 22.75 | 0.435 |
| Connecticut | 31.35a | 29.08 | 0.050 | 23.45b | 20.79 | 0.096 | 15.41a | 13.26 | 0.050 | 34.91 | 32.65 | 0.122 |
| Delaware | 30.69 | 29.77 | 0.443 | 28.07 | 26.33 | 0.206 | 15.46 | 15.18 | 0.803 | 33.51 | 32.61 | 0.550 |
| District of Columbia | 26.77 | 25.47 | 0.238 | 24.44 | 22.21 | 0.211 | 15.44b | 13.32 | 0.067 | 29.47 | 28.49 | 0.488 |
| Florida | 40.76a | 38.60 | 0.003 | 31.86 | 30.66 | 0.164 | 21.77b | 20.27 | 0.068 | 44.57a | 42.24 | 0.011 |
| Georgia | 35.37 | 34.79 | 0.604 | 30.20 | 32.29 | 0.144 | 21.30 | 22.13 | 0.561 | 38.54 | 37.39 | 0.429 |
| Hawaii | 31.75 | 30.73 | 0.420 | 26.38 | 24.74 | 0.264 | 18.90a | 15.80 | 0.022 | 34.38 | 33.69 | 0.665 |
| Idaho | 33.15a | 30.75 | 0.024 | 32.33 | 29.98 | 0.125 | 20.91 | 19.00 | 0.139 | 35.50b | 33.03 | 0.078 |
| Illinois | 32.81 | 31.99 | 0.231 | 29.72 | 28.64 | 0.195 | 18.69 | 17.83 | 0.284 | 35.76 | 34.90 | 0.319 |
| Indiana | 33.20 | 32.09 | 0.306 | 34.29b | 31.46 | 0.051 | 17.84 | 18.17 | 0.786 | 35.72 | 34.64 | 0.437 |
| Iowa | 33.24 | 34.48 | 0.272 | 33.37 | 33.43 | 0.965 | 17.70 | 19.00 | 0.310 | 36.03 | 37.39 | 0.342 |
| Kansas | 34.85a | 31.57 | 0.005 | 31.61 | 29.60 | 0.148 | 17.94 | 17.20 | 0.512 | 38.51a | 34.54 | 0.009 |
| Kentucky | 38.14 | 37.56 | 0.635 | 39.48 | 38.56 | 0.552 | 24.10 | 24.79 | 0.615 | 40.22 | 39.55 | 0.667 |
| Louisiana | 40.54 | 40.97 | 0.715 | 35.14 | 35.23 | 0.949 | 24.59 | 25.19 | 0.632 | 44.31 | 44.69 | 0.805 |
| Maine | 25.13 | 24.07 | 0.342 | 26.52 | 24.40 | 0.134 | 12.79 | 12.34 | 0.688 | 26.74 | 25.72 | 0.461 |
| Maryland | 33.01 | 32.53 | 0.705 | 26.54 | 26.08 | 0.742 | 16.80 | 16.90 | 0.935 | 36.55 | 35.92 | 0.701 |
| Massachusetts | 24.96 | 24.19 | 0.467 | 20.44 | 20.49 | 0.966 | 11.03 | 12.26 | 0.227 | 27.95 | 26.71 | 0.362 |
| Michigan | 29.36 | 28.52 | 0.223 | 28.40a | 26.11 | 0.006 | 16.21b | 15.07 | 0.092 | 31.75 | 31.16 | 0.497 |
| Minnesota | 27.72 | 28.68 | 0.363 | 28.73 | 29.08 | 0.791 | 15.82 | 14.84 | 0.378 | 29.65 | 30.97 | 0.322 |
| Mississippi | 45.18a | 41.82 | 0.005 | 41.61 | 40.70 | 0.548 | 27.86 | 27.26 | 0.700 | 48.92a | 44.70 | 0.006 |
| Missouri | 34.16 | 32.74 | 0.193 | 31.67a | 27.46 | 0.003 | 19.19 | 19.14 | 0.971 | 36.99 | 35.72 | 0.360 |
| Montana | 27.58a | 24.32 | 0.004 | 26.18a | 23.20 | 0.021 | 13.20 | 12.35 | 0.401 | 30.24a | 26.51 | 0.008 |
| Nebraska | 34.47a | 32.23 | 0.037 | 36.34b | 33.52 | 0.054 | 17.72 | 18.05 | 0.777 | 37.46a | 34.71 | 0.048 |
| Nevada | 31.64a | 28.11 | 0.004 | 29.66a | 25.34 | 0.004 | 19.31a | 15.43 | 0.003 | 33.79a | 30.49 | 0.033 |
| New Hampshire | 24.05 | 23.25 | 0.467 | 22.33 | 20.82 | 0.241 | 10.99 | 9.93 | 0.242 | 26.32 | 25.65 | 0.632 |
| New Jersey | 34.07 | 32.84 | 0.328 | 26.87 | 25.87 | 0.424 | 17.03 | 15.31 | 0.150 | 37.57 | 36.35 | 0.435 |
| New Mexico | 36.17a | 33.40 | 0.030 | 26.49 | 25.23 | 0.382 | 19.16 | 17.11 | 0.106 | 40.53b | 37.35 | 0.052 |
| New York | 32.77 | 32.57 | 0.793 | 26.59 | 26.37 | 0.800 | 17.92 | 17.85 | 0.932 | 36.14 | 35.86 | 0.779 |
| North Carolina | 33.32 | 31.67 | 0.134 | 27.56 | 27.34 | 0.873 | 19.21 | 17.60 | 0.190 | 36.37 | 34.54 | 0.195 |
| North Dakota | 35.80 | 34.12 | 0.129 | 35.51 | 36.34 | 0.601 | 20.10 | 20.00 | 0.937 | 39.48b | 37.04 | 0.094 |
| Ohio | 32.47 | 31.44 | 0.163 | 31.33a | 29.39 | 0.023 | 17.18 | 16.53 | 0.361 | 35.11 | 34.14 | 0.306 |
| Oklahoma | 36.43 | 35.30 | 0.372 | 33.30 | 32.08 | 0.433 | 20.60 | 20.35 | 0.856 | 39.76 | 38.45 | 0.422 |
| Oregon | 22.71 | 21.23 | 0.163 | 24.28 | 23.15 | 0.371 | 11.75 | 11.64 | 0.917 | 24.29 | 22.57 | 0.196 |
| Pennsylvania | 32.93 | 32.05 | 0.216 | 29.41b | 27.70 | 0.052 | 16.62 | 17.05 | 0.571 | 36.03 | 35.05 | 0.284 |
| Rhode Island | 26.90 | 26.07 | 0.450 | 24.53a | 21.56 | 0.022 | 12.09 | 11.38 | 0.494 | 29.97 | 29.40 | 0.683 |
| South Carolina | 38.58 | 37.37 | 0.362 | 30.94 | 29.96 | 0.462 | 20.86 | 20.53 | 0.799 | 42.44 | 41.09 | 0.421 |
| South Dakota | 35.85a | 33.34 | 0.031 | 34.30 | 33.31 | 0.506 | 18.54 | 19.50 | 0.496 | 39.21a | 35.83 | 0.022 |
| Tennessee | 37.04a | 34.32 | 0.022 | 31.96 | 30.88 | 0.434 | 18.65 | 19.19 | 0.665 | 40.53a | 37.19 | 0.026 |
| Texas | 40.40a | 37.31 | 0.000 | 35.65a | 32.87 | 0.004 | 25.32a | 22.46 | 0.001 | 43.96a | 40.79 | 0.001 |
| Utah | 37.59 | 39.38 | 0.138 | 44.80 | 44.34 | 0.803 | 25.32 | 27.31 | 0.221 | 39.42 | 41.44 | 0.213 |
| Vermont | 22.73 | 23.79 | 0.328 | 23.35 | 25.11 | 0.192 | 10.51 | 11.22 | 0.443 | 24.77 | 25.87 | 0.422 |
| Virginia | 32.65 | 31.31 | 0.256 | 26.95 | 25.82 | 0.353 | 18.40 | 18.70 | 0.812 | 35.82 | 34.16 | 0.274 |
| Washington | 24.31 | 24.11 | 0.844 | 28.04a | 25.11 | 0.022 | 13.77 | 12.44 | 0.198 | 25.59 | 25.92 | 0.805 |
| West Virginia | 39.95a | 37.09 | 0.023 | 35.75a | 32.65 | 0.027 | 21.16 | 20.35 | 0.530 | 43.22a | 40.12 | 0.047 |
| Wisconsin | 29.91 | 29.28 | 0.573 | 32.53 | 31.14 | 0.356 | 15.91 | 15.68 | 0.822 | 32.04 | 31.41 | 0.663 |
| Wyoming | 33.76 | 32.33 | 0.236 | 36.98 | 36.54 | 0.825 | 20.06 | 18.10 | 0.150 | 35.88 | 34.41 | 0.338 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Average annual marijuana initiation rate = 100 * {[X1 ÷ (0.5 × X1 + X2)] ÷ 2} where X1 is the number of marijuana initiates in the past 24 months and X2 is the number of persons who never used marijuana. Both of the computation components, X1 and X2, are based on a survey-weighted hierarchical Bayes estimation approach. Note that the age group is based on a respondent's age at the time of the interview, not his or her age at first use. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 1.82 | 1.87 | 0.169 | 5.93 | 6.06 | 0.267 | 7.29 | 7.34 | 0.815 | 0.16 | 0.18 | 0.151 |
| Northeast | 1.94 | 1.95 | 0.986 | 6.24 | 6.28 | 0.789 | 8.43 | 8.12 | 0.320 | 0.15 | 0.18 | 0.227 |
| Midwest | 1.83 | 1.81 | 0.552 | 5.71 | 5.66 | 0.664 | 7.46 | 7.18 | 0.218 | 0.14 | 0.16 | 0.257 |
| South | 1.62 | 1.67 | 0.124 | 5.34 | 5.50 | 0.214 | 6.58 | 6.60 | 0.931 | 0.14 | 0.17 | 0.307 |
| West | 2.07a | 2.21 | 0.018 | 6.82b | 7.19 | 0.091 | 7.49a | 8.16 | 0.049 | 0.20 | 0.23 | 0.250 |
| Alabama | 1.42 | 1.39 | 0.701 | 4.54 | 4.48 | 0.848 | 5.74 | 5.55 | 0.743 | 0.13 | 0.15 | 0.552 |
| Alaska | 2.57a | 2.88 | 0.040 | 6.87 | 7.58 | 0.176 | 8.16 | 8.87 | 0.412 | 0.24b | 0.33 | 0.083 |
| Arizona | 1.79b | 1.97 | 0.072 | 6.33 | 6.55 | 0.659 | 6.35 | 7.21 | 0.204 | 0.17 | 0.20 | 0.299 |
| Arkansas | 1.49 | 1.51 | 0.873 | 5.00 | 4.82 | 0.631 | 6.25 | 5.92 | 0.602 | 0.14 | 0.16 | 0.371 |
| California | 2.09b | 2.25 | 0.052 | 6.88 | 7.31 | 0.191 | 7.40b | 8.31 | 0.076 | 0.20 | 0.23 | 0.350 |
| Colorado | 2.78 | 2.75 | 0.888 | 9.31 | 9.20 | 0.868 | 9.61 | 10.32 | 0.502 | 0.21 | 0.25 | 0.412 |
| Connecticut | 2.27a | 2.04 | 0.031 | 7.23 | 6.62 | 0.203 | 10.51 | 9.04 | 0.110 | 0.15 | 0.17 | 0.453 |
| Delaware | 2.19 | 2.29 | 0.434 | 7.25 | 7.29 | 0.935 | 9.24 | 9.93 | 0.436 | 0.14 | 0.21 | 0.109 |
| District of Columbia | 2.44a | 2.98 | 0.003 | 7.53 | 8.28 | 0.189 | 9.44b | 11.25 | 0.073 | 0.20b | 0.33 | 0.069 |
| Florida | 1.46 | 1.50 | 0.481 | 5.69 | 5.44 | 0.345 | 6.40 | 7.04 | 0.116 | 0.14 | 0.15 | 0.603 |
| Georgia | 1.88 | 1.76 | 0.209 | 6.09 | 6.06 | 0.940 | 6.58b | 5.57 | 0.099 | 0.15 | 0.18 | 0.404 |
| Hawaii | 1.87 | 2.01 | 0.288 | 6.85 | 7.39 | 0.398 | 8.24 | 8.43 | 0.817 | 0.21 | 0.29 | 0.226 |
| Idaho | 1.97 | 1.93 | 0.677 | 5.71 | 5.68 | 0.934 | 7.52 | 6.79 | 0.285 | 0.16 | 0.18 | 0.535 |
| Illinois | 1.84 | 1.85 | 0.807 | 5.67 | 5.80 | 0.624 | 7.69 | 7.56 | 0.788 | 0.14 | 0.18 | 0.155 |
| Indiana | 1.73 | 1.73 | 1.000 | 5.64 | 5.20 | 0.315 | 7.02 | 7.28 | 0.713 | 0.13 | 0.15 | 0.575 |
| Iowa | 1.79 | 1.75 | 0.734 | 5.97 | 5.60 | 0.382 | 7.04 | 7.20 | 0.827 | 0.13 | 0.15 | 0.521 |
| Kansas | 1.71 | 1.85 | 0.165 | 5.61 | 6.09 | 0.280 | 6.48 | 6.59 | 0.871 | 0.14 | 0.17 | 0.338 |
| Kentucky | 1.50 | 1.52 | 0.776 | 5.15 | 5.47 | 0.435 | 6.18 | 5.71 | 0.389 | 0.15 | 0.16 | 0.778 |
| Louisiana | 1.36 | 1.42 | 0.440 | 4.11 | 4.55 | 0.180 | 5.59 | 5.32 | 0.628 | 0.14 | 0.15 | 0.777 |
| Maine | 1.82b | 2.02 | 0.055 | 5.93 | 6.47 | 0.203 | 9.05 | 9.18 | 0.887 | 0.16 | 0.19 | 0.268 |
| Maryland | 1.83 | 1.71 | 0.233 | 5.59 | 5.76 | 0.699 | 8.01b | 6.61 | 0.069 | 0.12 | 0.16 | 0.219 |
| Massachusetts | 2.45 | 2.50 | 0.685 | 8.02 | 8.21 | 0.732 | 9.82 | 9.81 | 0.986 | 0.18 | 0.23 | 0.227 |
| Michigan | 2.19 | 2.14 | 0.588 | 6.04 | 6.05 | 0.960 | 8.93 | 8.48 | 0.350 | 0.15 | 0.18 | 0.258 |
| Minnesota | 1.85 | 1.83 | 0.830 | 5.42 | 5.90 | 0.253 | 7.65 | 7.12 | 0.463 | 0.14 | 0.17 | 0.283 |
| Mississippi | 1.38 | 1.46 | 0.343 | 4.16a | 4.87 | 0.049 | 5.29 | 5.02 | 0.592 | 0.13 | 0.16 | 0.447 |
| Missouri | 1.66 | 1.58 | 0.343 | 5.61 | 5.76 | 0.700 | 6.50 | 5.52 | 0.135 | 0.14 | 0.16 | 0.523 |
| Montana | 2.53b | 2.80 | 0.051 | 7.53a | 9.20 | 0.003 | 11.68 | 11.48 | 0.820 | 0.18 | 0.24 | 0.140 |
| Nebraska | 1.55 | 1.59 | 0.671 | 4.52 | 4.65 | 0.713 | 6.44 | 6.47 | 0.971 | 0.13 | 0.16 | 0.316 |
| Nevada | 1.80a | 2.12 | 0.004 | 6.51 | 7.22 | 0.219 | 6.37a | 8.39 | 0.014 | 0.18 | 0.21 | 0.370 |
| New Hampshire | 2.53 | 2.61 | 0.577 | 7.42 | 8.25 | 0.124 | 10.61 | 10.41 | 0.822 | 0.17 | 0.21 | 0.319 |
| New Jersey | 1.85 | 1.91 | 0.591 | 6.00 | 6.63 | 0.160 | 8.72 | 8.18 | 0.522 | 0.15 | 0.18 | 0.266 |
| New Mexico | 2.22 | 2.40 | 0.123 | 8.27 | 8.72 | 0.455 | 8.12b | 9.59 | 0.097 | 0.24 | 0.26 | 0.641 |
| New York | 1.82 | 1.78 | 0.640 | 5.71 | 5.65 | 0.830 | 7.43 | 7.14 | 0.531 | 0.16 | 0.19 | 0.442 |
| North Carolina | 1.60a | 1.87 | 0.002 | 5.36b | 6.16 | 0.055 | 6.85b | 7.98 | 0.100 | 0.13 | 0.16 | 0.251 |
| North Dakota | 1.60 | 1.72 | 0.237 | 4.52 | 4.92 | 0.296 | 6.14 | 6.60 | 0.462 | 0.13 | 0.14 | 0.533 |
| Ohio | 1.81 | 1.85 | 0.579 | 5.68 | 5.67 | 0.964 | 7.59 | 7.66 | 0.862 | 0.14 | 0.17 | 0.310 |
| Oklahoma | 1.60 | 1.63 | 0.753 | 5.55 | 5.48 | 0.877 | 6.07 | 5.88 | 0.756 | 0.16 | 0.19 | 0.374 |
| Oregon | 2.23 | 2.20 | 0.796 | 7.49 | 7.07 | 0.379 | 9.06 | 9.19 | 0.884 | 0.20 | 0.22 | 0.481 |
| Pennsylvania | 1.79 | 1.80 | 0.900 | 5.81 | 5.51 | 0.281 | 8.27 | 8.16 | 0.829 | 0.13 | 0.15 | 0.240 |
| Rhode Island | 2.42 | 2.49 | 0.601 | 7.17 | 7.60 | 0.431 | 10.13 | 10.65 | 0.593 | 0.19 | 0.22 | 0.439 |
| South Carolina | 1.54 | 1.63 | 0.291 | 4.89a | 5.77 | 0.026 | 7.07 | 6.48 | 0.336 | 0.13 | 0.15 | 0.328 |
| South Dakota | 1.62 | 1.60 | 0.845 | 4.84 | 5.27 | 0.279 | 7.04 | 6.31 | 0.300 | 0.14 | 0.15 | 0.548 |
| Tennessee | 1.39 | 1.50 | 0.186 | 4.26 | 4.79 | 0.134 | 6.65 | 6.23 | 0.501 | 0.13 | 0.16 | 0.294 |
| Texas | 1.75 | 1.82 | 0.266 | 5.48 | 5.42 | 0.813 | 6.48 | 6.86 | 0.325 | 0.16 | 0.17 | 0.622 |
| Utah | 1.36 | 1.37 | 0.907 | 4.03 | 4.31 | 0.483 | 3.96 | 3.90 | 0.905 | 0.16 | 0.14 | 0.492 |
| Vermont | 2.70 | 2.72 | 0.898 | 8.21b | 9.27 | 0.079 | 12.47a | 10.02 | 0.019 | 0.17 | 0.23 | 0.137 |
| Virginia | 1.81 | 1.91 | 0.366 | 5.64 | 5.87 | 0.576 | 7.65 | 7.41 | 0.740 | 0.14 | 0.18 | 0.144 |
| Washington | 2.10 | 2.23 | 0.245 | 6.21b | 7.02 | 0.092 | 9.37 | 8.66 | 0.403 | 0.19 | 0.24 | 0.241 |
| West Virginia | 1.42a | 1.64 | 0.008 | 5.56 | 6.27 | 0.114 | 6.40b | 7.64 | 0.057 | 0.14 | 0.16 | 0.520 |
| Wisconsin | 1.82a | 1.53 | 0.003 | 6.36a | 5.06 | 0.003 | 7.04b | 5.89 | 0.098 | 0.13 | 0.14 | 0.729 |
| Wyoming | 2.03a | 1.80 | 0.030 | 6.59 | 5.91 | 0.149 | 7.97 | 6.77 | 0.125 | 0.16 | 0.18 | 0.530 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006. See Section B.4.8 in Appendix B of the Results from the 2008 National Survey on Drug Use and Health: National Findings. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 3.60a | 3.33 | 0.001 | 4.52b | 4.29 | 0.076 | 8.16a | 7.45 | 0.000 | 2.69a | 2.50 | 0.030 |
| Northeast | 3.65a | 3.34 | 0.012 | 4.02 | 3.85 | 0.357 | 8.96a | 7.55 | 0.000 | 2.71 | 2.57 | 0.351 |
| Midwest | 3.31 | 3.24 | 0.467 | 4.49b | 4.16 | 0.052 | 8.00b | 7.56 | 0.054 | 2.35 | 2.38 | 0.789 |
| South | 3.51a | 3.18 | 0.000 | 4.47b | 4.21 | 0.091 | 7.60a | 6.95 | 0.003 | 2.69a | 2.40 | 0.013 |
| West | 3.98a | 3.65 | 0.021 | 4.99 | 4.87 | 0.643 | 8.56 | 8.03 | 0.132 | 3.02b | 2.69 | 0.072 |
| Alabama | 3.31 | 3.19 | 0.642 | 4.96 | 4.55 | 0.433 | 7.53 | 6.68 | 0.247 | 2.38 | 2.41 | 0.925 |
| Alaska | 3.98 | 3.62 | 0.276 | 3.79 | 3.87 | 0.866 | 7.91 | 7.23 | 0.400 | 3.24 | 2.88 | 0.397 |
| Arizona | 4.31b | 3.68 | 0.055 | 4.87 | 5.13 | 0.651 | 8.63 | 7.69 | 0.283 | 3.51b | 2.81 | 0.086 |
| Arkansas | 4.00 | 3.93 | 0.820 | 5.01 | 5.17 | 0.785 | 8.58 | 8.52 | 0.932 | 3.11 | 3.00 | 0.764 |
| California | 3.80 | 3.53 | 0.191 | 5.22 | 5.07 | 0.709 | 7.99 | 7.76 | 0.658 | 2.81 | 2.53 | 0.271 |
| Colorado | 4.17 | 3.95 | 0.442 | 4.63 | 4.38 | 0.626 | 9.75 | 9.60 | 0.851 | 3.16 | 2.92 | 0.505 |
| Connecticut | 3.77 | 3.48 | 0.244 | 4.16 | 3.70 | 0.302 | 9.07b | 7.75 | 0.100 | 2.86 | 2.76 | 0.733 |
| Delaware | 3.66 | 3.98 | 0.334 | 4.69 | 4.31 | 0.455 | 8.75 | 9.70 | 0.288 | 2.70 | 2.98 | 0.483 |
| District of Columbia | 4.65 | 4.29 | 0.311 | 4.37 | 4.00 | 0.466 | 7.80 | 6.94 | 0.293 | 3.99 | 3.72 | 0.550 |
| Florida | 3.47a | 3.09 | 0.044 | 4.47 | 4.09 | 0.246 | 7.13 | 6.50 | 0.156 | 2.81 | 2.46 | 0.132 |
| Georgia | 3.26a | 2.70 | 0.006 | 4.01 | 3.64 | 0.375 | 7.23b | 5.95 | 0.051 | 2.46b | 1.99 | 0.064 |
| Hawaii | 3.56 | 3.07 | 0.202 | 4.59 | 4.29 | 0.634 | 7.88 | 6.71 | 0.173 | 2.76 | 2.37 | 0.399 |
| Idaho | 3.91 | 3.71 | 0.472 | 4.61 | 4.52 | 0.861 | 8.49 | 7.83 | 0.350 | 2.98 | 2.83 | 0.685 |
| Illinois | 3.27 | 3.06 | 0.225 | 4.62b | 4.08 | 0.080 | 8.02 | 7.43 | 0.223 | 2.24 | 2.17 | 0.727 |
| Indiana | 3.45 | 3.66 | 0.482 | 4.77 | 4.26 | 0.338 | 7.91 | 8.64 | 0.346 | 2.51 | 2.70 | 0.613 |
| Iowa | 2.38 | 2.61 | 0.278 | 4.90 | 4.26 | 0.238 | 5.78 | 6.33 | 0.401 | 1.46 | 1.74 | 0.273 |
| Kansas | 3.41 | 3.14 | 0.232 | 4.42 | 4.21 | 0.689 | 8.11b | 6.88 | 0.051 | 2.38 | 2.30 | 0.784 |
| Kentucky | 3.42b | 3.00 | 0.083 | 4.62 | 4.28 | 0.495 | 8.17 | 7.22 | 0.193 | 2.52 | 2.14 | 0.198 |
| Louisiana | 4.14a | 3.44 | 0.010 | 4.20 | 4.39 | 0.681 | 9.56a | 7.70 | 0.018 | 3.09b | 2.51 | 0.089 |
| Maine | 3.65 | 3.24 | 0.136 | 4.30 | 3.75 | 0.215 | 10.90 | 9.45 | 0.140 | 2.56 | 2.29 | 0.416 |
| Maryland | 3.20 | 2.89 | 0.211 | 4.25 | 3.69 | 0.232 | 6.44 | 6.07 | 0.559 | 2.52 | 2.26 | 0.392 |
| Massachusetts | 4.24a | 3.38 | 0.001 | 4.25 | 4.00 | 0.599 | 11.20a | 8.54 | 0.003 | 3.00b | 2.40 | 0.061 |
| Michigan | 3.77 | 3.60 | 0.392 | 4.41 | 4.40 | 0.976 | 8.53b | 7.64 | 0.058 | 2.87 | 2.80 | 0.796 |
| Minnesota | 2.84 | 3.15 | 0.166 | 3.60 | 3.76 | 0.709 | 7.09 | 7.59 | 0.453 | 2.01 | 2.33 | 0.265 |
| Mississippi | 3.38 | 3.29 | 0.701 | 5.47 | 4.53 | 0.109 | 7.62 | 6.94 | 0.337 | 2.30 | 2.43 | 0.680 |
| Missouri | 2.99 | 2.80 | 0.378 | 4.15 | 3.94 | 0.630 | 7.46 | 7.09 | 0.598 | 2.09 | 1.92 | 0.544 |
| Montana | 3.15 | 3.12 | 0.918 | 4.59 | 4.63 | 0.942 | 7.68 | 7.13 | 0.407 | 2.19 | 2.26 | 0.813 |
| Nebraska | 2.98 | 2.93 | 0.806 | 4.07 | 3.63 | 0.360 | 6.51 | 6.49 | 0.972 | 2.16 | 2.18 | 0.959 |
| Nevada | 4.70a | 3.54 | 0.001 | 5.10 | 4.87 | 0.684 | 10.40a | 7.52 | 0.001 | 3.78a | 2.74 | 0.020 |
| New Hampshire | 4.65b | 4.04 | 0.059 | 4.39 | 4.23 | 0.752 | 12.60a | 10.62 | 0.040 | 3.42 | 2.97 | 0.247 |
| New Jersey | 3.33 | 3.29 | 0.885 | 3.56 | 3.86 | 0.516 | 8.26 | 7.77 | 0.505 | 2.54 | 2.54 | 0.994 |
| New Mexico | 4.00 | 3.86 | 0.691 | 5.48 | 5.32 | 0.792 | 8.74 | 8.17 | 0.481 | 2.94 | 2.91 | 0.940 |
| New York | 3.70a | 3.23 | 0.027 | 4.01 | 3.62 | 0.168 | 8.44a | 6.57 | 0.001 | 2.82 | 2.60 | 0.381 |
| North Carolina | 3.42 | 3.04 | 0.107 | 4.15 | 4.06 | 0.854 | 7.72 | 7.14 | 0.414 | 2.62 | 2.23 | 0.178 |
| North Dakota | 2.37 | 2.28 | 0.691 | 4.28 | 3.46 | 0.114 | 5.12 | 4.77 | 0.559 | 1.50 | 1.59 | 0.735 |
| Ohio | 3.48 | 3.37 | 0.553 | 4.64 | 4.31 | 0.295 | 8.70b | 7.88 | 0.098 | 2.48 | 2.52 | 0.850 |
| Oklahoma | 4.57 | 4.06 | 0.164 | 4.60 | 4.49 | 0.851 | 10.43a | 8.59 | 0.038 | 3.48 | 3.17 | 0.504 |
| Oregon | 4.38 | 4.16 | 0.510 | 5.52 | 4.84 | 0.193 | 9.95 | 9.55 | 0.657 | 3.35 | 3.20 | 0.726 |
| Pennsylvania | 3.21 | 3.24 | 0.871 | 4.07 | 4.09 | 0.953 | 7.99 | 7.46 | 0.287 | 2.33 | 2.44 | 0.605 |
| Rhode Island | 4.75 | 4.78 | 0.927 | 5.05 | 4.16 | 0.125 | 11.24 | 9.95 | 0.225 | 3.48 | 3.87 | 0.430 |
| South Carolina | 3.90a | 3.06 | 0.002 | 4.01 | 3.86 | 0.726 | 6.96 | 6.47 | 0.458 | 3.37a | 2.39 | 0.004 |
| South Dakota | 2.39 | 2.61 | 0.365 | 4.41 | 3.95 | 0.436 | 5.27 | 5.89 | 0.320 | 1.62 | 1.86 | 0.425 |
| Tennessee | 3.70 | 3.66 | 0.869 | 4.52 | 4.74 | 0.668 | 8.16 | 8.98 | 0.309 | 2.91 | 2.67 | 0.457 |
| Texas | 3.26 | 3.09 | 0.289 | 4.67 | 4.38 | 0.378 | 6.87 | 6.30 | 0.195 | 2.37 | 2.29 | 0.682 |
| Utah | 3.65a | 2.91 | 0.005 | 3.97 | 3.46 | 0.202 | 7.94a | 5.84 | 0.004 | 2.54 | 2.11 | 0.200 |
| Vermont | 4.57 | 4.45 | 0.717 | 4.10 | 4.47 | 0.445 | 12.73 | 11.35 | 0.145 | 3.21 | 3.23 | 0.975 |
| Virginia | 3.54 | 3.34 | 0.413 | 4.28 | 3.82 | 0.270 | 8.06 | 7.87 | 0.792 | 2.66 | 2.50 | 0.566 |
| Washington | 4.42 | 4.23 | 0.578 | 4.40 | 4.74 | 0.543 | 10.29 | 9.90 | 0.666 | 3.47 | 3.23 | 0.576 |
| West Virginia | 4.18a | 3.48 | 0.011 | 4.57 | 4.58 | 0.981 | 10.61b | 9.12 | 0.073 | 3.17a | 2.50 | 0.043 |
| Wisconsin | 3.71 | 3.55 | 0.508 | 4.87 | 4.28 | 0.227 | 9.68 | 8.40 | 0.110 | 2.53 | 2.62 | 0.784 |
| Wyoming | 3.27 | 2.86 | 0.101 | 4.98b | 4.15 | 0.094 | 7.41a | 5.81 | 0.014 | 2.31 | 2.18 | 0.676 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 1.85a | 1.64 | 0.000 | 0.98 | 0.95 | 0.570 | 5.00a | 4.62 | 0.008 | 1.41a | 1.21 | 0.002 |
| Northeast | 2.26a | 1.92 | 0.000 | 0.96 | 0.93 | 0.714 | 6.34a | 5.27 | 0.000 | 1.72a | 1.47 | 0.038 |
| Midwest | 1.54b | 1.43 | 0.084 | 0.93 | 0.84 | 0.141 | 4.27 | 3.99 | 0.120 | 1.14 | 1.06 | 0.332 |
| South | 1.66a | 1.43 | 0.000 | 0.89 | 0.86 | 0.525 | 4.25a | 3.87 | 0.023 | 1.32a | 1.08 | 0.005 |
| West | 2.10 | 1.95 | 0.122 | 1.20 | 1.21 | 0.904 | 5.80 | 5.84 | 0.897 | 1.55 | 1.35 | 0.101 |
| Alabama | 1.04 | 0.91 | 0.211 | 0.67 | 0.57 | 0.201 | 2.61 | 2.31 | 0.286 | 0.81 | 0.70 | 0.332 |
| Alaska | 2.31b | 1.87 | 0.083 | 0.88 | 0.88 | 0.961 | 5.90b | 4.93 | 0.081 | 1.81 | 1.41 | 0.232 |
| Arizona | 1.95 | 1.73 | 0.166 | 1.11 | 1.05 | 0.611 | 5.62 | 5.13 | 0.307 | 1.44 | 1.24 | 0.210 |
| Arkansas | 1.14 | 1.07 | 0.551 | 0.85 | 0.77 | 0.427 | 2.84 | 2.94 | 0.743 | 0.90 | 0.79 | 0.400 |
| California | 2.11 | 2.03 | 0.592 | 1.28 | 1.32 | 0.815 | 5.64 | 5.83 | 0.642 | 1.55 | 1.42 | 0.426 |
| Colorado | 3.06a | 2.51 | 0.029 | 1.15 | 1.30 | 0.338 | 8.44 | 8.87 | 0.582 | 2.36a | 1.55 | 0.002 |
| Connecticut | 1.69 | 1.91 | 0.229 | 1.04 | 1.05 | 0.904 | 5.13 | 5.70 | 0.263 | 1.21 | 1.41 | 0.350 |
| Delaware | 1.80 | 1.83 | 0.889 | 0.87 | 0.87 | 0.961 | 4.88 | 4.85 | 0.951 | 1.41 | 1.44 | 0.880 |
| District of Columbia | 3.13 | 3.04 | 0.829 | 0.38 | 0.36 | 0.717 | 4.26 | 3.97 | 0.572 | 3.13 | 3.05 | 0.890 |
| Florida | 1.85b | 1.61 | 0.063 | 0.88 | 0.88 | 0.996 | 5.05 | 4.89 | 0.662 | 1.47b | 1.19 | 0.053 |
| Georgia | 1.40a | 1.13 | 0.019 | 0.68 | 0.59 | 0.172 | 3.42a | 2.66 | 0.012 | 1.15b | 0.93 | 0.086 |
| Hawaii | 1.58 | 1.60 | 0.925 | 0.87 | 0.84 | 0.852 | 4.36 | 4.00 | 0.454 | 1.22 | 1.31 | 0.712 |
| Idaho | 1.07 | 0.94 | 0.176 | 1.03a | 0.73 | 0.013 | 3.55 | 3.04 | 0.187 | 0.63 | 0.58 | 0.561 |
| Illinois | 1.73 | 1.81 | 0.543 | 0.86 | 0.94 | 0.447 | 4.48 | 4.60 | 0.739 | 1.34 | 1.43 | 0.556 |
| Indiana | 1.16 | 1.01 | 0.190 | 0.90a | 0.68 | 0.039 | 3.37 | 3.07 | 0.419 | 0.82 | 0.69 | 0.259 |
| Iowa | 1.02 | 1.00 | 0.850 | 1.12a | 0.79 | 0.007 | 3.02 | 2.99 | 0.914 | 0.65 | 0.67 | 0.841 |
| Kansas | 1.58 | 1.41 | 0.201 | 1.07 | 0.99 | 0.472 | 4.56 | 4.16 | 0.352 | 1.08 | 0.95 | 0.303 |
| Kentucky | 1.26 | 1.24 | 0.876 | 1.05 | 0.86 | 0.103 | 3.71 | 3.76 | 0.888 | 0.89 | 0.86 | 0.842 |
| Louisiana | 1.65a | 1.35 | 0.049 | 0.72b | 0.58 | 0.083 | 3.68b | 3.03 | 0.064 | 1.39 | 1.13 | 0.140 |
| Maine | 1.99 | 1.76 | 0.177 | 1.05 | 1.01 | 0.719 | 6.94b | 5.81 | 0.061 | 1.39 | 1.25 | 0.441 |
| Maryland | 1.78b | 1.52 | 0.092 | 0.80b | 0.67 | 0.096 | 4.28 | 3.76 | 0.175 | 1.48 | 1.25 | 0.168 |
| Massachusetts | 2.97a | 2.12 | 0.000 | 0.99 | 1.08 | 0.479 | 8.12a | 5.84 | 0.000 | 2.28a | 1.59 | 0.007 |
| Michigan | 1.66b | 1.47 | 0.091 | 0.86 | 0.87 | 0.918 | 4.54 | 4.18 | 0.234 | 1.27 | 1.08 | 0.151 |
| Minnesota | 1.25 | 1.26 | 0.904 | 0.91 | 0.77 | 0.187 | 3.65 | 3.59 | 0.865 | 0.88 | 0.93 | 0.682 |
| Mississippi | 1.62 | 1.42 | 0.185 | 0.61 | 0.63 | 0.776 | 3.40 | 2.95 | 0.165 | 1.43 | 1.24 | 0.291 |
| Missouri | 1.69b | 1.40 | 0.051 | 0.92 | 0.83 | 0.381 | 4.58 | 4.06 | 0.217 | 1.30b | 1.01 | 0.066 |
| Montana | 1.84a | 1.40 | 0.002 | 1.03 | 1.02 | 0.926 | 5.76a | 4.44 | 0.004 | 1.25a | 0.92 | 0.018 |
| Nebraska | 1.39 | 1.40 | 0.939 | 1.02 | 0.95 | 0.572 | 3.89 | 4.11 | 0.593 | 0.96 | 0.96 | 0.982 |
| Nevada | 2.41a | 1.86 | 0.003 | 1.06 | 1.16 | 0.471 | 6.59 | 5.76 | 0.133 | 1.93a | 1.33 | 0.001 |
| New Hampshire | 2.73a | 2.19 | 0.017 | 1.08 | 1.19 | 0.450 | 8.63b | 7.49 | 0.092 | 1.98a | 1.46 | 0.028 |
| New Jersey | 2.21 | 2.07 | 0.487 | 0.93 | 1.00 | 0.543 | 5.99 | 5.80 | 0.732 | 1.79 | 1.64 | 0.486 |
| New Mexico | 2.42b | 2.04 | 0.072 | 1.29 | 1.44 | 0.454 | 6.75 | 5.99 | 0.208 | 1.77 | 1.42 | 0.116 |
| New York | 2.25a | 1.85 | 0.008 | 0.97 | 0.85 | 0.255 | 6.42a | 4.79 | 0.000 | 1.67 | 1.45 | 0.222 |
| North Carolina | 1.82 | 1.64 | 0.269 | 0.83 | 0.90 | 0.504 | 4.37 | 4.42 | 0.912 | 1.51 | 1.26 | 0.137 |
| North Dakota | 0.97 | 0.89 | 0.457 | 1.00a | 0.64 | 0.002 | 2.69 | 2.37 | 0.293 | 0.58 | 0.60 | 0.826 |
| Ohio | 1.48 | 1.46 | 0.849 | 0.96a | 0.78 | 0.039 | 4.12 | 4.01 | 0.693 | 1.11 | 1.12 | 0.940 |
| Oklahoma | 1.37 | 1.25 | 0.341 | 1.05b | 0.84 | 0.064 | 4.02 | 3.65 | 0.354 | 0.92 | 0.86 | 0.622 |
| Oregon | 1.95 | 2.11 | 0.397 | 1.24 | 1.26 | 0.877 | 6.25 | 7.12 | 0.144 | 1.34 | 1.39 | 0.788 |
| Pennsylvania | 1.96b | 1.71 | 0.091 | 0.88 | 0.82 | 0.574 | 5.17 | 4.63 | 0.174 | 1.55 | 1.32 | 0.175 |
| Rhode Island | 2.90 | 2.58 | 0.311 | 1.07 | 1.10 | 0.834 | 7.41 | 7.10 | 0.687 | 2.26 | 1.89 | 0.274 |
| South Carolina | 2.11a | 1.37 | 0.000 | 0.68 | 0.65 | 0.779 | 4.14a | 3.13 | 0.013 | 1.95a | 1.16 | 0.000 |
| South Dakota | 1.14 | 0.96 | 0.118 | 0.88b | 0.69 | 0.079 | 3.27 | 2.74 | 0.131 | 0.78 | 0.68 | 0.336 |
| Tennessee | 1.22 | 1.22 | 0.995 | 0.91 | 0.76 | 0.103 | 2.99 | 3.19 | 0.528 | 0.98 | 0.96 | 0.847 |
| Texas | 1.76a | 1.52 | 0.030 | 1.13 | 1.16 | 0.792 | 4.70 | 4.25 | 0.165 | 1.30b | 1.05 | 0.053 |
| Utah | 1.31 | 1.38 | 0.588 | 1.08b | 0.87 | 0.089 | 3.43 | 3.78 | 0.415 | 0.83 | 0.91 | 0.572 |
| Vermont | 3.05 | 2.69 | 0.140 | 1.22 | 1.43 | 0.248 | 9.96 | 9.04 | 0.254 | 2.06 | 1.71 | 0.174 |
| Virginia | 1.84a | 1.53 | 0.028 | 0.85 | 0.80 | 0.596 | 4.99b | 4.23 | 0.056 | 1.42b | 1.15 | 0.068 |
| Washington | 2.10 | 1.93 | 0.375 | 1.05 | 1.04 | 0.885 | 6.31 | 6.10 | 0.713 | 1.54 | 1.35 | 0.339 |
| West Virginia | 1.86a | 1.39 | 0.002 | 0.95 | 1.01 | 0.639 | 5.86a | 4.71 | 0.011 | 1.36a | 0.92 | 0.006 |
| Wisconsin | 2.01a | 1.48 | 0.001 | 1.00 | 0.86 | 0.186 | 5.93a | 4.52 | 0.004 | 1.45a | 1.04 | 0.009 |
| Wyoming | 1.39 | 1.16 | 0.154 | 0.99b | 0.76 | 0.054 | 4.50a | 3.55 | 0.025 | 0.87 | 0.77 | 0.633 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 4.89a | 4.57 | 0.001 | 6.43a | 6.09 | 0.020 | 11.54a | 10.43 | 0.000 | 3.53 | 3.37 | 0.116 |
| Northeast | 4.50a | 4.17 | 0.007 | 5.41 | 5.18 | 0.349 | 11.99a | 10.22 | 0.000 | 3.13 | 3.04 | 0.536 |
| Midwest | 4.80 | 4.68 | 0.251 | 6.58 | 6.24 | 0.102 | 11.99a | 11.23 | 0.006 | 3.33 | 3.35 | 0.858 |
| South | 4.77a | 4.37 | 0.000 | 6.48a | 6.06 | 0.046 | 11.28a | 9.92 | 0.000 | 3.44b | 3.20 | 0.055 |
| West | 5.45a | 5.12 | 0.045 | 6.98 | 6.68 | 0.330 | 11.17 | 10.66 | 0.178 | 4.21 | 3.91 | 0.142 |
| Alabama | 4.62 | 4.43 | 0.517 | 7.29 | 6.56 | 0.301 | 11.08 | 10.09 | 0.286 | 3.18 | 3.18 | 0.997 |
| Alaska | 5.41 | 5.32 | 0.806 | 6.71 | 6.89 | 0.815 | 11.36 | 10.69 | 0.466 | 4.05 | 4.06 | 0.985 |
| Arizona | 6.31b | 5.66 | 0.097 | 7.58 | 8.04 | 0.564 | 12.68 | 11.49 | 0.257 | 5.07 | 4.36 | 0.133 |
| Arkansas | 5.51 | 5.55 | 0.931 | 7.48 | 7.81 | 0.667 | 12.39 | 12.89 | 0.634 | 4.13 | 4.02 | 0.809 |
| California | 4.95 | 4.68 | 0.228 | 6.61 | 6.06 | 0.216 | 9.68 | 9.35 | 0.563 | 3.82 | 3.62 | 0.450 |
| Colorado | 6.23 | 6.00 | 0.546 | 7.23 | 7.40 | 0.836 | 13.51 | 14.01 | 0.637 | 4.86 | 4.44 | 0.364 |
| Connecticut | 4.12 | 4.38 | 0.381 | 5.00 | 4.70 | 0.618 | 11.08 | 10.73 | 0.705 | 2.88 | 3.32 | 0.218 |
| Delaware | 5.56 | 5.61 | 0.893 | 6.19 | 5.95 | 0.727 | 13.70 | 14.26 | 0.627 | 4.14 | 4.13 | 0.979 |
| District of Columbia | 4.29 | 4.68 | 0.247 | 4.67 | 4.23 | 0.452 | 8.23 | 8.35 | 0.890 | 3.39 | 3.88 | 0.221 |
| Florida | 4.37 | 4.05 | 0.142 | 6.00 | 5.50 | 0.206 | 9.76a | 8.59 | 0.032 | 3.38 | 3.21 | 0.504 |
| Georgia | 4.27b | 3.79 | 0.055 | 6.04 | 5.37 | 0.277 | 10.47b | 8.76 | 0.058 | 2.95 | 2.70 | 0.387 |
| Hawaii | 4.22 | 3.90 | 0.329 | 5.35 | 5.69 | 0.636 | 9.25 | 8.19 | 0.241 | 3.30 | 3.04 | 0.500 |
| Idaho | 6.09 | 5.73 | 0.322 | 7.52 | 7.15 | 0.627 | 13.20 | 11.98 | 0.240 | 4.59 | 4.37 | 0.627 |
| Illinois | 3.94 | 4.07 | 0.516 | 5.47 | 5.16 | 0.459 | 10.04 | 10.19 | 0.799 | 2.64 | 2.86 | 0.354 |
| Indiana | 5.73 | 5.68 | 0.908 | 7.57 | 6.97 | 0.460 | 14.75 | 14.41 | 0.771 | 3.93 | 3.97 | 0.927 |
| Iowa | 3.69 | 3.62 | 0.781 | 6.41 | 5.81 | 0.312 | 9.10 | 9.12 | 0.981 | 2.39 | 2.37 | 0.945 |
| Kansas | 4.71 | 4.56 | 0.605 | 6.81 | 6.23 | 0.386 | 11.15 | 10.25 | 0.287 | 3.20 | 3.26 | 0.849 |
| Kentucky | 5.36a | 4.48 | 0.004 | 7.54 | 6.67 | 0.229 | 13.67a | 10.82 | 0.008 | 3.78b | 3.17 | 0.096 |
| Louisiana | 5.67a | 4.87 | 0.012 | 6.39 | 6.46 | 0.912 | 13.93a | 11.60 | 0.020 | 4.00 | 3.40 | 0.116 |
| Maine | 4.51 | 4.15 | 0.282 | 6.01 | 5.72 | 0.621 | 13.81a | 11.29 | 0.020 | 3.03 | 2.96 | 0.849 |
| Maryland | 4.23 | 3.89 | 0.233 | 5.80a | 4.63 | 0.046 | 10.17 | 9.13 | 0.255 | 3.03 | 2.93 | 0.767 |
| Massachusetts | 5.07a | 4.27 | 0.007 | 5.61 | 4.94 | 0.263 | 13.12a | 10.65 | 0.020 | 3.58 | 3.07 | 0.137 |
| Michigan | 5.53b | 5.11 | 0.085 | 6.40 | 6.35 | 0.906 | 13.41a | 11.74 | 0.005 | 4.06 | 3.81 | 0.388 |
| Minnesota | 4.09 | 4.57 | 0.112 | 5.73 | 6.20 | 0.473 | 10.79 | 11.34 | 0.575 | 2.74 | 3.23 | 0.180 |
| Mississippi | 5.10a | 4.45 | 0.035 | 8.52a | 6.86 | 0.037 | 11.06 | 9.59 | 0.125 | 3.51 | 3.16 | 0.317 |
| Missouri | 5.13 | 4.83 | 0.277 | 6.77 | 6.77 | 0.995 | 13.22 | 11.74 | 0.132 | 3.57 | 3.41 | 0.651 |
| Montana | 5.07 | 4.84 | 0.475 | 7.09 | 7.62 | 0.475 | 12.31b | 10.68 | 0.088 | 3.58 | 3.51 | 0.865 |
| Nebraska | 3.91 | 4.18 | 0.356 | 5.61 | 5.11 | 0.388 | 9.38 | 9.24 | 0.866 | 2.64 | 3.12 | 0.172 |
| Nevada | 5.96 | 5.62 | 0.387 | 7.74 | 7.79 | 0.958 | 13.22 | 11.94 | 0.255 | 4.62 | 4.34 | 0.552 |
| New Hampshire | 5.38a | 4.57 | 0.011 | 6.20 | 6.11 | 0.889 | 14.90a | 12.31 | 0.015 | 3.78 | 3.16 | 0.103 |
| New Jersey | 4.15 | 4.14 | 0.982 | 4.95 | 5.14 | 0.765 | 11.97 | 11.00 | 0.300 | 2.85 | 2.98 | 0.669 |
| New Mexico | 5.78 | 5.45 | 0.429 | 8.29 | 8.60 | 0.729 | 11.17 | 11.22 | 0.962 | 4.47 | 4.02 | 0.368 |
| New York | 4.45a | 3.98 | 0.017 | 5.26 | 4.70 | 0.130 | 11.55a | 8.90 | 0.000 | 3.09 | 3.04 | 0.819 |
| North Carolina | 4.54b | 4.00 | 0.055 | 6.89 | 6.28 | 0.350 | 10.58b | 8.96 | 0.061 | 3.25 | 2.89 | 0.290 |
| North Dakota | 4.11 | 3.84 | 0.382 | 6.66b | 5.54 | 0.068 | 9.05 | 7.84 | 0.144 | 2.66 | 2.74 | 0.816 |
| Ohio | 5.48a | 5.00 | 0.022 | 7.62 | 7.12 | 0.245 | 13.59a | 11.84 | 0.006 | 3.89 | 3.61 | 0.287 |
| Oklahoma | 7.01a | 5.19 | 0.000 | 7.94 | 7.04 | 0.292 | 15.65a | 11.11 | 0.000 | 5.30a | 3.86 | 0.006 |
| Oregon | 6.68 | 6.37 | 0.450 | 7.86 | 7.36 | 0.509 | 14.71 | 15.00 | 0.804 | 5.26 | 4.86 | 0.427 |
| Pennsylvania | 4.40 | 4.20 | 0.354 | 5.75 | 6.00 | 0.583 | 11.55 | 10.80 | 0.225 | 3.07 | 2.90 | 0.509 |
| Rhode Island | 5.93a | 5.18 | 0.033 | 6.29 | 5.33 | 0.144 | 14.64a | 12.30 | 0.048 | 4.24 | 3.80 | 0.278 |
| South Carolina | 5.06 | 4.62 | 0.170 | 6.06 | 5.94 | 0.859 | 12.30b | 10.67 | 0.081 | 3.74 | 3.44 | 0.444 |
| South Dakota | 3.64 | 3.69 | 0.881 | 6.08 | 5.55 | 0.382 | 8.48 | 7.78 | 0.364 | 2.45 | 2.72 | 0.455 |
| Tennessee | 4.44b | 5.00 | 0.070 | 6.19 | 6.94 | 0.295 | 11.90 | 13.07 | 0.269 | 3.05 | 3.46 | 0.249 |
| Texas | 4.62 | 4.33 | 0.158 | 6.10 | 6.03 | 0.869 | 10.60a | 9.21 | 0.019 | 3.26 | 3.16 | 0.662 |
| Utah | 4.92b | 4.33 | 0.097 | 6.57 | 5.62 | 0.128 | 10.31a | 8.23 | 0.038 | 3.31 | 3.18 | 0.750 |
| Vermont | 4.85 | 5.13 | 0.390 | 6.00 | 6.47 | 0.452 | 13.34 | 13.00 | 0.722 | 3.26 | 3.59 | 0.399 |
| Virginia | 5.13b | 4.60 | 0.070 | 6.97 | 5.95 | 0.123 | 12.48 | 11.39 | 0.252 | 3.62 | 3.25 | 0.286 |
| Washington | 6.20 | 5.75 | 0.234 | 7.48 | 7.44 | 0.957 | 14.44 | 13.40 | 0.315 | 4.70 | 4.28 | 0.358 |
| West Virginia | 5.61a | 4.79 | 0.013 | 7.25 | 7.21 | 0.963 | 14.39a | 12.35 | 0.039 | 4.11b | 3.38 | 0.062 |
| Wisconsin | 4.56 | 4.51 | 0.878 | 7.12 | 6.09 | 0.132 | 11.64 | 10.55 | 0.255 | 3.01 | 3.27 | 0.476 |
| Wyoming | 4.56 | 4.68 | 0.720 | 7.05 | 6.60 | 0.519 | 10.61 | 9.89 | 0.414 | 3.15 | 3.51 | 0.375 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 51.84 | 51.79 | 0.852 | 14.23a | 13.47 | 0.001 | 61.59 | 61.03 | 0.136 | 54.88 | 54.99 | 0.750 |
| Northeast | 57.12 | 56.93 | 0.751 | 16.17 | 15.89 | 0.518 | 67.64 | 66.64 | 0.243 | 60.19 | 60.12 | 0.917 |
| Midwest | 54.66 | 54.34 | 0.519 | 14.20a | 13.41 | 0.007 | 64.95 | 64.26 | 0.347 | 57.98 | 57.78 | 0.727 |
| South | 47.78 | 48.26 | 0.327 | 13.40a | 12.44 | 0.000 | 57.73 | 57.80 | 0.933 | 50.41 | 51.11 | 0.211 |
| West | 51.40 | 50.96 | 0.453 | 14.12b | 13.39 | 0.079 | 59.80 | 58.89 | 0.292 | 54.77 | 54.43 | 0.637 |
| Alabama | 43.09 | 43.11 | 0.984 | 12.12 | 11.65 | 0.567 | 52.31 | 51.29 | 0.565 | 45.39 | 45.64 | 0.865 |
| Alaska | 52.81 | 53.78 | 0.410 | 13.67 | 12.42 | 0.200 | 59.18 | 60.76 | 0.361 | 57.10 | 58.22 | 0.458 |
| Arizona | 48.13 | 48.68 | 0.668 | 13.61 | 12.72 | 0.361 | 55.58 | 55.42 | 0.931 | 51.36 | 52.21 | 0.600 |
| Arkansas | 41.23 | 40.83 | 0.761 | 14.26 | 12.98 | 0.195 | 54.67a | 50.06 | 0.013 | 42.43 | 42.80 | 0.825 |
| California | 50.34 | 49.80 | 0.521 | 13.99 | 13.67 | 0.605 | 60.99 | 59.28 | 0.135 | 53.27 | 52.90 | 0.730 |
| Colorado | 62.68 | 61.45 | 0.309 | 17.66b | 15.48 | 0.065 | 69.60 | 70.39 | 0.647 | 66.87 | 65.42 | 0.339 |
| Connecticut | 59.38 | 61.34 | 0.109 | 17.75 | 16.80 | 0.430 | 68.76 | 70.93 | 0.192 | 62.98 | 65.31 | 0.132 |
| Delaware | 56.60 | 54.73 | 0.156 | 16.14 | 14.60 | 0.133 | 66.70 | 66.67 | 0.983 | 59.73 | 57.45 | 0.167 |
| District of Columbia | 61.58 | 62.93 | 0.286 | 14.09 | 14.16 | 0.951 | 71.99 | 74.76 | 0.101 | 63.51 | 64.26 | 0.637 |
| Florida | 50.70 | 50.92 | 0.794 | 14.36a | 12.62 | 0.004 | 56.80 | 57.64 | 0.454 | 53.73 | 54.03 | 0.769 |
| Georgia | 48.05 | 46.48 | 0.195 | 14.20a | 11.71 | 0.007 | 57.92a | 53.86 | 0.026 | 50.94 | 49.89 | 0.501 |
| Hawaii | 47.89 | 48.16 | 0.847 | 12.92 | 14.22 | 0.266 | 59.80 | 61.85 | 0.304 | 49.83 | 49.76 | 0.968 |
| Idaho | 47.46 | 49.05 | 0.215 | 13.15 | 12.14 | 0.307 | 54.67a | 50.66 | 0.026 | 50.98b | 53.97 | 0.071 |
| Illinois | 54.21 | 55.04 | 0.304 | 13.75 | 13.33 | 0.521 | 66.68 | 65.05 | 0.157 | 57.23 | 58.70 | 0.144 |
| Indiana | 49.42 | 50.95 | 0.208 | 12.70 | 11.56 | 0.202 | 60.22 | 61.05 | 0.632 | 52.31 | 54.31 | 0.203 |
| Iowa | 56.27b | 54.06 | 0.070 | 17.30 | 15.79 | 0.161 | 68.25 | 66.73 | 0.355 | 58.85 | 56.43 | 0.115 |
| Kansas | 55.54a | 51.62 | 0.002 | 15.69a | 13.26 | 0.021 | 63.16 | 61.83 | 0.409 | 59.31a | 54.76 | 0.005 |
| Kentucky | 39.06 | 40.63 | 0.204 | 13.02 | 12.80 | 0.811 | 49.56 | 51.03 | 0.405 | 40.49 | 42.24 | 0.247 |
| Louisiana | 46.83 | 47.23 | 0.723 | 15.07 | 14.10 | 0.323 | 59.37 | 58.21 | 0.494 | 48.66 | 49.51 | 0.564 |
| Maine | 56.20 | 54.68 | 0.254 | 13.73 | 12.42 | 0.181 | 65.13 | 62.68 | 0.157 | 59.47 | 58.01 | 0.369 |
| Maryland | 51.89a | 54.93 | 0.024 | 12.81 | 12.59 | 0.825 | 59.09a | 64.12 | 0.004 | 55.51b | 58.57 | 0.069 |
| Massachusetts | 63.62 | 63.01 | 0.596 | 15.58 | 15.80 | 0.848 | 74.33a | 70.56 | 0.025 | 67.23 | 67.06 | 0.907 |
| Michigan | 54.73 | 53.55 | 0.137 | 13.35 | 12.73 | 0.302 | 62.62 | 62.98 | 0.746 | 58.70 | 57.15 | 0.117 |
| Minnesota | 58.87 | 59.48 | 0.600 | 13.16 | 13.14 | 0.981 | 66.69 | 67.52 | 0.642 | 63.09 | 63.75 | 0.649 |
| Mississippi | 41.05 | 40.41 | 0.573 | 12.39 | 11.86 | 0.566 | 52.93 | 51.80 | 0.519 | 42.80 | 42.20 | 0.680 |
| Missouri | 50.71 | 49.90 | 0.512 | 15.16 | 14.96 | 0.827 | 60.50 | 60.80 | 0.856 | 53.50 | 52.36 | 0.463 |
| Montana | 58.05 | 60.15 | 0.116 | 19.15 | 17.17 | 0.110 | 65.92b | 68.38 | 0.099 | 61.19 | 63.63 | 0.143 |
| Nebraska | 51.86 | 53.32 | 0.249 | 13.66 | 12.84 | 0.380 | 63.37 | 64.11 | 0.637 | 54.55 | 56.44 | 0.250 |
| Nevada | 54.57 | 53.92 | 0.662 | 14.47 | 13.08 | 0.195 | 58.45 | 59.08 | 0.735 | 59.05 | 58.22 | 0.655 |
| New Hampshire | 63.77b | 61.61 | 0.086 | 17.64 | 17.04 | 0.571 | 74.09 | 73.22 | 0.576 | 67.52b | 64.89 | 0.093 |
| New Jersey | 55.69 | 56.77 | 0.419 | 15.27 | 16.84 | 0.176 | 64.60 | 64.72 | 0.945 | 59.27 | 60.44 | 0.480 |
| New Mexico | 45.75a | 42.84 | 0.030 | 14.49b | 12.65 | 0.079 | 56.25 | 54.27 | 0.280 | 47.87b | 44.74 | 0.063 |
| New York | 55.58 | 55.00 | 0.498 | 16.75 | 16.59 | 0.835 | 66.60 | 65.54 | 0.351 | 58.28 | 57.67 | 0.576 |
| North Carolina | 48.98 | 49.19 | 0.870 | 12.26 | 12.91 | 0.491 | 59.20 | 61.70 | 0.135 | 51.76 | 51.50 | 0.873 |
| North Dakota | 59.91 | 59.08 | 0.540 | 16.58a | 14.23 | 0.034 | 70.28 | 70.81 | 0.741 | 62.64 | 61.59 | 0.553 |
| Ohio | 52.73 | 52.51 | 0.796 | 13.78 | 13.48 | 0.617 | 65.40b | 63.49 | 0.083 | 55.51 | 55.56 | 0.955 |
| Oklahoma | 47.16b | 44.64 | 0.057 | 14.72a | 12.79 | 0.048 | 60.82b | 57.29 | 0.053 | 48.82 | 46.42 | 0.150 |
| Oregon | 61.02 | 59.99 | 0.401 | 17.31a | 14.58 | 0.009 | 67.14b | 64.22 | 0.093 | 65.03 | 64.45 | 0.702 |
| Pennsylvania | 55.23 | 54.76 | 0.598 | 15.78a | 14.08 | 0.013 | 66.28 | 65.08 | 0.318 | 58.01 | 57.74 | 0.804 |
| Rhode Island | 61.05 | 61.68 | 0.626 | 16.00 | 15.01 | 0.402 | 70.13 | 71.94 | 0.280 | 64.59 | 65.08 | 0.764 |
| South Carolina | 46.00b | 48.40 | 0.063 | 12.21 | 12.27 | 0.947 | 55.21 | 57.22 | 0.223 | 48.57 | 51.22 | 0.104 |
| South Dakota | 57.83 | 55.90 | 0.119 | 15.52 | 16.36 | 0.452 | 69.92 | 67.78 | 0.209 | 60.90 | 58.60 | 0.145 |
| Tennessee | 40.39 | 41.55 | 0.346 | 11.28 | 11.04 | 0.750 | 51.37 | 52.89 | 0.407 | 42.14 | 43.37 | 0.415 |
| Texas | 49.15 | 49.61 | 0.558 | 13.35a | 12.15 | 0.044 | 59.23 | 58.45 | 0.497 | 52.38 | 53.36 | 0.325 |
| Utah | 26.42 | 25.38 | 0.442 | 7.58 | 7.57 | 0.991 | 32.45 | 31.31 | 0.593 | 28.08 | 26.96 | 0.537 |
| Vermont | 61.68 | 60.57 | 0.395 | 17.44 | 17.78 | 0.783 | 72.67 | 73.85 | 0.427 | 64.59 | 62.84 | 0.285 |
| Virginia | 52.00a | 54.64 | 0.037 | 13.51 | 12.95 | 0.549 | 64.47 | 66.56 | 0.218 | 54.46b | 57.56 | 0.053 |
| Washington | 56.89 | 57.01 | 0.918 | 13.61 | 13.22 | 0.684 | 61.60 | 63.44 | 0.268 | 61.28 | 61.15 | 0.928 |
| West Virginia | 40.26 | 38.97 | 0.326 | 14.46 | 14.71 | 0.815 | 53.94 | 53.75 | 0.911 | 40.94 | 39.26 | 0.294 |
| Wisconsin | 64.11 | 62.48 | 0.193 | 16.78a | 13.94 | 0.012 | 70.45 | 68.92 | 0.334 | 68.75 | 67.25 | 0.347 |
| Wyoming | 52.91b | 50.56 | 0.092 | 16.70a | 13.96 | 0.011 | 59.33 | 57.80 | 0.404 | 56.13 | 53.58 | 0.144 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Binge Alcohol Use is defined as drinking five or more drinks on the same occasion (i.e., at the same time or within a couple of hours of each other) on at least 1 day in the past 30 days. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 23.39a | 22.86 | 0.013 | 8.38a | 7.63 | 0.000 | 41.15a | 40.15 | 0.009 | 22.19 | 21.77 | 0.106 |
| Northeast | 24.83 | 24.66 | 0.636 | 9.40 | 8.96 | 0.239 | 45.23a | 43.94 | 0.029 | 23.22 | 23.27 | 0.914 |
| Midwest | 25.54a | 24.73 | 0.004 | 8.71a | 7.78 | 0.000 | 44.88b | 44.04 | 0.075 | 24.29a | 23.52 | 0.028 |
| South | 21.58 | 21.27 | 0.253 | 7.54a | 6.83 | 0.001 | 37.65 | 37.01 | 0.171 | 20.59 | 20.37 | 0.505 |
| West | 23.08a | 22.22 | 0.017 | 8.61a | 7.76 | 0.020 | 39.95a | 38.59 | 0.039 | 21.91 | 21.16 | 0.101 |
| Alabama | 20.82 | 19.69 | 0.203 | 6.88 | 6.55 | 0.630 | 32.78 | 30.54 | 0.126 | 20.52 | 19.44 | 0.344 |
| Alaska | 24.69 | 24.08 | 0.489 | 9.08b | 7.37 | 0.060 | 40.80 | 42.18 | 0.378 | 23.73 | 22.89 | 0.469 |
| Arizona | 23.62 | 22.39 | 0.198 | 8.72a | 7.25 | 0.050 | 38.71 | 36.91 | 0.242 | 23.01 | 21.89 | 0.356 |
| Arkansas | 18.94 | 18.97 | 0.970 | 7.83 | 7.28 | 0.461 | 34.33a | 31.16 | 0.035 | 17.81 | 18.40 | 0.576 |
| California | 22.83 | 21.97 | 0.120 | 8.57 | 7.96 | 0.283 | 39.89b | 38.15 | 0.090 | 21.54 | 20.84 | 0.325 |
| Colorado | 26.21b | 24.46 | 0.069 | 9.64a | 7.79 | 0.031 | 46.39 | 44.61 | 0.254 | 24.72 | 22.97 | 0.148 |
| Connecticut | 26.35 | 26.33 | 0.986 | 11.19 | 10.17 | 0.367 | 48.82 | 48.01 | 0.622 | 24.56 | 24.83 | 0.837 |
| Delaware | 24.30 | 23.31 | 0.330 | 9.24 | 8.54 | 0.516 | 45.48b | 42.86 | 0.091 | 22.59 | 21.78 | 0.524 |
| District of Columbia | 29.52a | 32.20 | 0.021 | 6.92 | 7.23 | 0.787 | 46.74a | 50.36 | 0.039 | 27.72 | 30.12 | 0.108 |
| Florida | 20.68 | 19.90 | 0.164 | 7.64 | 6.90 | 0.119 | 35.63 | 34.24 | 0.138 | 19.85 | 19.12 | 0.292 |
| Georgia | 20.14 | 19.40 | 0.375 | 7.25 | 6.25 | 0.127 | 37.10 | 34.97 | 0.148 | 18.94 | 18.42 | 0.621 |
| Hawaii | 23.72 | 23.07 | 0.519 | 8.29 | 8.32 | 0.975 | 40.81 | 42.21 | 0.450 | 22.70 | 21.72 | 0.427 |
| Idaho | 21.89 | 21.64 | 0.793 | 8.08 | 7.17 | 0.247 | 37.30a | 34.15 | 0.034 | 21.03 | 21.37 | 0.776 |
| Illinois | 26.01 | 25.34 | 0.234 | 8.73 | 7.95 | 0.106 | 46.63b | 44.84 | 0.071 | 24.54 | 24.19 | 0.632 |
| Indiana | 22.55 | 22.70 | 0.869 | 7.87b | 6.63 | 0.087 | 40.75 | 41.84 | 0.490 | 21.31 | 21.40 | 0.934 |
| Iowa | 27.47 | 26.57 | 0.338 | 10.65 | 9.52 | 0.220 | 48.97 | 50.01 | 0.501 | 25.64 | 24.42 | 0.310 |
| Kansas | 25.79a | 23.37 | 0.010 | 9.34b | 7.94 | 0.088 | 42.85 | 42.45 | 0.804 | 24.68a | 21.81 | 0.017 |
| Kentucky | 21.61 | 20.89 | 0.398 | 8.19 | 7.74 | 0.575 | 39.04 | 37.79 | 0.381 | 20.43 | 19.67 | 0.472 |
| Louisiana | 23.01 | 22.78 | 0.792 | 7.39 | 6.92 | 0.456 | 38.18 | 37.36 | 0.537 | 22.20 | 22.13 | 0.946 |
| Maine | 22.99 | 22.32 | 0.506 | 8.34 | 7.24 | 0.137 | 46.14a | 42.48 | 0.027 | 21.27 | 21.01 | 0.836 |
| Maryland | 20.17 | 20.93 | 0.391 | 7.74b | 6.52 | 0.092 | 36.12a | 39.64 | 0.039 | 19.01 | 19.58 | 0.618 |
| Massachusetts | 25.57 | 27.05 | 0.143 | 9.40 | 9.29 | 0.902 | 48.63 | 47.67 | 0.552 | 23.33b | 25.45 | 0.100 |
| Michigan | 26.41b | 25.30 | 0.066 | 7.99 | 7.65 | 0.489 | 43.17 | 43.64 | 0.592 | 25.90a | 24.40 | 0.049 |
| Minnesota | 25.85 | 26.19 | 0.719 | 7.92 | 8.32 | 0.593 | 45.56 | 47.69 | 0.160 | 24.65 | 24.73 | 0.946 |
| Mississippi | 20.14 | 19.21 | 0.280 | 6.78 | 6.06 | 0.306 | 33.02 | 31.90 | 0.440 | 19.58 | 18.65 | 0.386 |
| Missouri | 23.95 | 22.73 | 0.166 | 9.55 | 8.46 | 0.179 | 39.61 | 37.75 | 0.212 | 23.11 | 21.93 | 0.290 |
| Montana | 28.02 | 27.96 | 0.951 | 12.67a | 10.22 | 0.020 | 50.04 | 50.21 | 0.907 | 25.97 | 26.15 | 0.882 |
| Nebraska | 24.76 | 24.60 | 0.866 | 8.77b | 7.50 | 0.084 | 46.14 | 43.75 | 0.127 | 22.69 | 23.19 | 0.685 |
| Nevada | 26.64a | 24.51 | 0.039 | 8.33 | 8.04 | 0.774 | 41.92 | 39.73 | 0.198 | 26.61b | 24.16 | 0.056 |
| New Hampshire | 24.01 | 24.09 | 0.932 | 10.27 | 9.87 | 0.642 | 48.29 | 49.32 | 0.522 | 21.78 | 21.70 | 0.945 |
| New Jersey | 25.38 | 24.49 | 0.363 | 8.80 | 10.10 | 0.233 | 45.84 | 44.74 | 0.497 | 24.25 | 23.19 | 0.383 |
| New Mexico | 22.33a | 20.33 | 0.024 | 9.23a | 7.20 | 0.017 | 37.43 | 36.37 | 0.503 | 21.26b | 19.19 | 0.063 |
| New York | 24.01 | 23.70 | 0.639 | 9.60 | 8.72 | 0.118 | 42.22 | 41.12 | 0.247 | 22.51 | 22.42 | 0.917 |
| North Carolina | 20.66 | 19.47 | 0.157 | 6.89 | 6.71 | 0.777 | 37.27 | 35.64 | 0.271 | 19.58 | 18.32 | 0.234 |
| North Dakota | 29.80 | 30.51 | 0.499 | 10.36a | 7.54 | 0.007 | 51.26 | 52.88 | 0.279 | 27.11 | 28.12 | 0.465 |
| Ohio | 23.60 | 23.17 | 0.429 | 8.29a | 7.22 | 0.022 | 44.78a | 42.88 | 0.035 | 22.05 | 21.93 | 0.862 |
| Oklahoma | 21.65 | 21.00 | 0.451 | 8.80a | 6.90 | 0.019 | 39.13 | 38.17 | 0.534 | 20.08 | 19.66 | 0.705 |
| Oregon | 22.40 | 22.35 | 0.955 | 8.54a | 6.96 | 0.029 | 42.62 | 40.35 | 0.146 | 20.74 | 21.17 | 0.693 |
| Pennsylvania | 24.99 | 24.53 | 0.443 | 9.04b | 8.03 | 0.068 | 46.13a | 43.49 | 0.010 | 23.37 | 23.27 | 0.900 |
| Rhode Island | 26.41 | 27.87 | 0.162 | 8.98 | 8.72 | 0.753 | 45.81a | 49.28 | 0.031 | 24.77 | 25.99 | 0.368 |
| South Carolina | 22.20 | 22.84 | 0.522 | 6.12 | 6.18 | 0.923 | 36.06 | 36.74 | 0.647 | 21.85 | 22.48 | 0.618 |
| South Dakota | 27.68 | 27.50 | 0.854 | 9.45 | 9.82 | 0.699 | 49.52 | 49.25 | 0.879 | 25.96 | 25.76 | 0.868 |
| Tennessee | 17.57 | 18.44 | 0.334 | 6.67 | 6.21 | 0.468 | 31.85 | 33.00 | 0.447 | 16.63 | 17.54 | 0.416 |
| Texas | 23.98 | 24.05 | 0.901 | 7.79b | 6.87 | 0.059 | 39.55 | 39.50 | 0.952 | 23.34 | 23.60 | 0.732 |
| Utah | 13.23 | 14.17 | 0.276 | 5.66 | 5.25 | 0.567 | 23.58 | 22.95 | 0.703 | 11.95 | 13.57 | 0.144 |
| Vermont | 26.42 | 25.30 | 0.254 | 9.97 | 9.44 | 0.583 | 51.28 | 50.89 | 0.785 | 23.92 | 22.50 | 0.246 |
| Virginia | 23.68 | 23.21 | 0.585 | 8.36 | 7.67 | 0.345 | 45.42 | 44.56 | 0.588 | 21.74 | 21.36 | 0.720 |
| Washington | 23.89 | 23.43 | 0.599 | 8.74 | 8.48 | 0.738 | 42.69 | 43.59 | 0.553 | 22.62 | 21.86 | 0.491 |
| West Virginia | 20.40 | 20.46 | 0.940 | 8.51 | 8.40 | 0.888 | 38.41 | 39.27 | 0.585 | 18.95 | 18.84 | 0.923 |
| Wisconsin | 29.89a | 27.16 | 0.010 | 10.06a | 7.69 | 0.007 | 50.05a | 46.36 | 0.018 | 28.78b | 26.19 | 0.055 |
| Wyoming | 22.90 | 22.40 | 0.560 | 10.85 | 8.84 | 0.135 | 40.75 | 40.15 | 0.719 | 21.09 | 20.79 | 0.782 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 42.59 | 42.57 | 0.956 | 40.02b | 40.58 | 0.091 | 33.44a | 34.13 | 0.038 | 44.50 | 44.29 | 0.517 |
| Northeast | 40.52 | 41.00 | 0.289 | 38.66 | 38.95 | 0.609 | 30.82 | 31.40 | 0.296 | 42.37 | 42.84 | 0.409 |
| Midwest | 38.97 | 38.70 | 0.453 | 38.07 | 38.03 | 0.939 | 29.51 | 29.96 | 0.278 | 40.73 | 40.30 | 0.343 |
| South | 44.97 | 44.76 | 0.563 | 41.81b | 42.62 | 0.087 | 36.36b | 37.12 | 0.085 | 46.84 | 46.34 | 0.286 |
| West | 43.88 | 43.96 | 0.856 | 40.06 | 40.93 | 0.190 | 34.60 | 35.38 | 0.198 | 46.07 | 45.91 | 0.790 |
| Alabama | 45.62 | 44.45 | 0.309 | 44.37 | 44.13 | 0.880 | 39.31 | 39.40 | 0.949 | 46.86 | 45.37 | 0.313 |
| Alaska | 42.44b | 40.37 | 0.089 | 42.30 | 39.72 | 0.138 | 31.10 | 32.14 | 0.502 | 44.69b | 42.07 | 0.100 |
| Arizona | 43.94 | 43.53 | 0.740 | 42.17 | 42.87 | 0.694 | 36.72 | 35.75 | 0.561 | 45.40 | 44.94 | 0.772 |
| Arkansas | 45.47 | 44.42 | 0.413 | 43.66 | 44.27 | 0.713 | 35.74 | 36.38 | 0.673 | 47.30 | 45.80 | 0.352 |
| California | 45.31 | 46.41 | 0.134 | 40.42 | 41.72 | 0.211 | 36.55 | 37.99 | 0.153 | 47.64 | 48.61 | 0.301 |
| Colorado | 39.04 | 37.36 | 0.177 | 35.96 | 36.42 | 0.781 | 28.76 | 27.65 | 0.436 | 41.18 | 39.15 | 0.205 |
| Connecticut | 42.38 | 41.82 | 0.662 | 40.28 | 37.68 | 0.124 | 30.82 | 28.61 | 0.152 | 44.52 | 44.46 | 0.972 |
| Delaware | 40.74 | 40.63 | 0.931 | 38.96 | 39.61 | 0.695 | 32.31 | 32.25 | 0.971 | 42.34 | 42.15 | 0.906 |
| District of Columbia | 41.44 | 41.14 | 0.807 | 45.67 | 43.50 | 0.236 | 32.85 | 30.03 | 0.132 | 42.96 | 43.47 | 0.748 |
| Florida | 47.25 | 47.58 | 0.686 | 42.50 | 41.84 | 0.502 | 37.87a | 39.94 | 0.033 | 49.17 | 49.36 | 0.853 |
| Georgia | 45.88b | 43.85 | 0.086 | 43.59 | 43.15 | 0.794 | 36.09 | 36.72 | 0.686 | 47.90b | 45.22 | 0.076 |
| Hawaii | 41.12 | 41.83 | 0.619 | 43.75 | 41.76 | 0.297 | 35.40 | 33.67 | 0.341 | 41.74 | 43.09 | 0.447 |
| Idaho | 38.65 | 37.62 | 0.383 | 37.07b | 34.50 | 0.097 | 30.82 | 31.01 | 0.895 | 40.31 | 39.28 | 0.511 |
| Illinois | 41.47 | 41.70 | 0.762 | 40.28 | 41.66 | 0.159 | 31.39 | 32.73 | 0.147 | 43.44 | 43.27 | 0.851 |
| Indiana | 39.33 | 39.42 | 0.944 | 39.17 | 38.87 | 0.858 | 30.12 | 30.16 | 0.979 | 40.95 | 41.13 | 0.903 |
| Iowa | 36.96 | 38.12 | 0.317 | 36.87 | 37.18 | 0.843 | 27.18 | 28.05 | 0.539 | 38.74 | 40.05 | 0.375 |
| Kansas | 38.62 | 38.64 | 0.986 | 35.98 | 37.07 | 0.505 | 28.45 | 29.35 | 0.517 | 40.91 | 40.60 | 0.837 |
| Kentucky | 41.65 | 42.46 | 0.529 | 40.94 | 43.40 | 0.186 | 34.34 | 36.84 | 0.107 | 42.90 | 43.28 | 0.809 |
| Louisiana | 45.47 | 45.17 | 0.794 | 44.21 | 45.42 | 0.428 | 39.60 | 40.13 | 0.703 | 46.76 | 46.08 | 0.649 |
| Maine | 37.65 | 37.89 | 0.861 | 33.39 | 35.05 | 0.287 | 27.29 | 28.57 | 0.366 | 39.57 | 39.53 | 0.980 |
| Maryland | 43.75 | 44.46 | 0.570 | 42.35 | 43.93 | 0.372 | 35.95 | 35.62 | 0.848 | 45.24 | 46.00 | 0.634 |
| Massachusetts | 37.59a | 40.22 | 0.023 | 35.61 | 35.98 | 0.824 | 27.72 | 29.07 | 0.352 | 39.57a | 42.66 | 0.035 |
| Michigan | 39.47 | 38.79 | 0.347 | 38.91 | 37.52 | 0.139 | 32.96 | 31.82 | 0.189 | 40.66 | 40.16 | 0.582 |
| Minnesota | 37.02 | 36.88 | 0.910 | 36.31 | 34.70 | 0.311 | 26.36 | 26.54 | 0.897 | 38.93 | 38.89 | 0.979 |
| Mississippi | 48.25 | 47.27 | 0.425 | 47.55 | 49.02 | 0.382 | 41.49 | 41.57 | 0.957 | 49.62 | 48.09 | 0.336 |
| Missouri | 39.57a | 36.51 | 0.010 | 38.27 | 36.90 | 0.428 | 31.50 | 30.08 | 0.318 | 41.10a | 37.56 | 0.021 |
| Montana | 36.58 | 36.24 | 0.778 | 33.14 | 33.68 | 0.731 | 26.61 | 24.75 | 0.176 | 38.72 | 38.51 | 0.891 |
| Nebraska | 37.35 | 36.90 | 0.702 | 36.94 | 37.86 | 0.596 | 25.59 | 26.47 | 0.530 | 39.68 | 38.72 | 0.526 |
| Nevada | 42.67b | 40.17 | 0.070 | 39.68 | 39.12 | 0.768 | 33.55 | 35.40 | 0.314 | 44.45a | 41.07 | 0.050 |
| New Hampshire | 38.21 | 38.93 | 0.542 | 34.64 | 36.34 | 0.281 | 24.71 | 26.57 | 0.159 | 40.76 | 41.20 | 0.769 |
| New Jersey | 41.49 | 42.69 | 0.334 | 36.91 | 39.10 | 0.201 | 32.88 | 33.40 | 0.749 | 43.38 | 44.53 | 0.460 |
| New Mexico | 47.80 | 48.02 | 0.870 | 39.69 | 42.22 | 0.147 | 36.55 | 38.36 | 0.255 | 50.91 | 50.49 | 0.802 |
| New York | 42.20 | 42.53 | 0.669 | 41.41 | 41.00 | 0.681 | 32.55 | 33.68 | 0.240 | 44.00 | 44.26 | 0.795 |
| North Carolina | 43.95 | 43.95 | 1.000 | 38.07 | 39.45 | 0.409 | 34.33 | 33.82 | 0.724 | 46.27 | 46.19 | 0.957 |
| North Dakota | 35.78 | 36.23 | 0.698 | 34.79 | 35.33 | 0.729 | 24.64 | 24.80 | 0.912 | 38.50 | 38.91 | 0.781 |
| Ohio | 39.51 | 39.24 | 0.709 | 38.15 | 38.07 | 0.929 | 27.88a | 29.48 | 0.047 | 41.57 | 40.98 | 0.512 |
| Oklahoma | 42.00 | 43.75 | 0.153 | 39.07 | 40.98 | 0.305 | 33.82a | 36.96 | 0.046 | 43.88 | 45.35 | 0.351 |
| Oregon | 39.94b | 37.85 | 0.066 | 37.14 | 35.31 | 0.232 | 28.12 | 29.48 | 0.342 | 42.15b | 39.49 | 0.061 |
| Pennsylvania | 39.26 | 38.58 | 0.380 | 38.13 | 38.65 | 0.599 | 29.89 | 29.89 | 0.997 | 40.94 | 40.02 | 0.350 |
| Rhode Island | 37.76 | 38.39 | 0.608 | 36.48 | 37.42 | 0.582 | 29.72 | 29.44 | 0.850 | 39.43 | 40.21 | 0.619 |
| South Carolina | 46.79 | 44.69 | 0.112 | 42.43 | 44.44 | 0.236 | 39.53 | 37.52 | 0.187 | 48.51 | 45.93 | 0.124 |
| South Dakota | 33.62b | 35.54 | 0.095 | 31.31 | 33.82 | 0.108 | 25.04 | 26.90 | 0.204 | 35.48 | 37.31 | 0.214 |
| Tennessee | 45.00 | 43.44 | 0.226 | 41.51 | 41.76 | 0.878 | 34.52 | 35.28 | 0.605 | 47.06 | 44.96 | 0.196 |
| Texas | 44.59 | 45.39 | 0.286 | 41.22b | 42.90 | 0.099 | 36.77 | 37.66 | 0.356 | 46.57 | 47.23 | 0.504 |
| Utah | 50.82 | 50.59 | 0.861 | 48.74b | 52.34 | 0.056 | 38.09b | 41.25 | 0.100 | 54.33 | 52.54 | 0.321 |
| Vermont | 36.60 | 38.06 | 0.248 | 32.15 | 33.19 | 0.520 | 22.93 | 23.88 | 0.455 | 39.43 | 41.09 | 0.304 |
| Virginia | 42.61 | 41.97 | 0.589 | 40.23 | 40.82 | 0.720 | 32.45 | 33.79 | 0.375 | 44.67 | 43.53 | 0.456 |
| Washington | 41.84 | 41.09 | 0.532 | 37.23 | 38.16 | 0.570 | 29.55 | 28.82 | 0.594 | 44.40 | 43.47 | 0.541 |
| West Virginia | 44.09a | 40.74 | 0.010 | 38.93 | 38.08 | 0.619 | 34.02 | 32.07 | 0.192 | 46.15a | 42.34 | 0.017 |
| Wisconsin | 35.03 | 35.62 | 0.614 | 34.60 | 35.55 | 0.553 | 27.12 | 27.95 | 0.544 | 36.46 | 36.95 | 0.740 |
| Wyoming | 39.10 | 37.20 | 0.129 | 39.63 | 38.25 | 0.406 | 29.18 | 27.77 | 0.435 | 40.86 | 38.78 | 0.190 |
| State | Alcohol Use in Past Month (2009-2010) |
Alcohol Use in Past Month (2010-2011) |
Alcohol Use in Past Month (P Value) |
Binge Alcohol Use in Past Month (2009-2010) |
Binge Alcohol Use in Past Month (2010-2011) |
Binge Alcohol Use in Past Month (P Value) |
|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Binge Alcohol Use is defined as drinking five or more drinks on the same occasion (i.e., at the same time or within a couple hours of each other) on at least 1 day in the past 30 days. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012) | ||||||
| Total U.S. | 26.67a | 25.61 | 0.001 | 17.54a | 16.34 | 0.000 |
| Northeast | 30.58b | 29.73 | 0.063 | 19.92a | 18.92 | 0.016 |
| Midwest | 27.16a | 26.21 | 0.002 | 18.78a | 17.48 | 0.000 |
| South | 25.17a | 23.75 | 0.000 | 15.90a | 14.63 | 0.000 |
| West | 25.62 | 24.90 | 0.112 | 17.15a | 16.05 | 0.005 |
| Alabama | 22.30b | 20.59 | 0.060 | 13.62 | 12.46 | 0.103 |
| Alaska | 25.86 | 24.85 | 0.353 | 18.54 | 17.57 | 0.297 |
| Arizona | 23.50 | 22.64 | 0.329 | 16.36a | 14.24 | 0.006 |
| Arkansas | 22.27 | 21.91 | 0.711 | 13.27 | 13.70 | 0.598 |
| California | 25.40 | 25.48 | 0.907 | 16.93 | 16.48 | 0.445 |
| Colorado | 29.89a | 27.71 | 0.041 | 18.30a | 16.25 | 0.016 |
| Connecticut | 31.94 | 31.42 | 0.633 | 22.26 | 20.84 | 0.181 |
| Delaware | 31.67a | 29.14 | 0.040 | 21.77a | 19.40 | 0.043 |
| District of Columbia | 29.22a | 34.09 | 0.004 | 16.72a | 21.07 | 0.005 |
| Florida | 25.55a | 24.17 | 0.025 | 15.32 | 14.49 | 0.129 |
| Georgia | 23.33a | 21.04 | 0.008 | 14.62a | 12.41 | 0.001 |
| Hawaii | 25.48 | 24.84 | 0.586 | 17.57 | 16.28 | 0.221 |
| Idaho | 25.79a | 22.52 | 0.001 | 16.85a | 14.62 | 0.003 |
| Illinois | 28.76a | 26.58 | 0.000 | 19.60a | 17.83 | 0.002 |
| Indiana | 23.51 | 24.49 | 0.303 | 16.44 | 16.39 | 0.952 |
| Iowa | 29.46 | 28.61 | 0.410 | 20.99 | 21.23 | 0.802 |
| Kansas | 29.01a | 25.23 | 0.000 | 19.67a | 17.18 | 0.005 |
| Kentucky | 24.07a | 22.12 | 0.043 | 17.07a | 14.91 | 0.005 |
| Louisiana | 27.19 | 25.76 | 0.140 | 16.20a | 14.57 | 0.033 |
| Maine | 25.09 | 25.25 | 0.866 | 17.52 | 16.81 | 0.375 |
| Maryland | 25.14 | 25.06 | 0.933 | 15.61 | 14.58 | 0.203 |
| Massachusetts | 31.35 | 30.03 | 0.209 | 21.06 | 19.50 | 0.115 |
| Michigan | 24.93 | 25.46 | 0.397 | 16.80 | 16.93 | 0.811 |
| Minnesota | 27.28 | 26.06 | 0.205 | 19.89b | 18.44 | 0.093 |
| Mississippi | 24.96a | 21.41 | 0.000 | 15.23a | 12.04 | 0.000 |
| Missouri | 25.12 | 24.94 | 0.838 | 16.39b | 15.01 | 0.070 |
| Montana | 32.13 | 30.55 | 0.157 | 22.95a | 20.10 | 0.006 |
| Nebraska | 26.58 | 25.46 | 0.256 | 19.22b | 17.59 | 0.052 |
| Nevada | 25.34 | 26.23 | 0.451 | 17.72 | 17.76 | 0.964 |
| New Hampshire | 32.93 | 33.52 | 0.567 | 21.77 | 21.56 | 0.835 |
| New Jersey | 28.41 | 29.94 | 0.216 | 19.36 | 20.18 | 0.442 |
| New Mexico | 25.18a | 23.05 | 0.040 | 16.49a | 14.36 | 0.010 |
| New York | 31.64a | 29.94 | 0.015 | 19.21 | 18.29 | 0.151 |
| North Carolina | 24.22 | 24.39 | 0.847 | 14.54 | 13.91 | 0.339 |
| North Dakota | 33.57 | 31.63 | 0.109 | 24.20 | 22.62 | 0.121 |
| Ohio | 27.41 | 26.67 | 0.217 | 19.20a | 17.42 | 0.001 |
| Oklahoma | 25.55a | 23.00 | 0.013 | 15.87a | 13.41 | 0.003 |
| Oregon | 30.14a | 27.03 | 0.002 | 17.75a | 15.49 | 0.007 |
| Pennsylvania | 29.47 | 28.40 | 0.126 | 19.88a | 17.80 | 0.001 |
| Rhode Island | 33.12b | 31.25 | 0.087 | 21.71 | 20.26 | 0.133 |
| South Carolina | 22.84 | 22.74 | 0.904 | 14.19 | 13.69 | 0.500 |
| South Dakota | 30.60a | 27.92 | 0.009 | 20.63b | 19.07 | 0.097 |
| Tennessee | 21.83 | 21.13 | 0.437 | 14.87 | 13.72 | 0.103 |
| Texas | 26.13a | 24.16 | 0.001 | 16.95a | 15.48 | 0.004 |
| Utah | 16.48 | 15.28 | 0.306 | 12.68 | 11.77 | 0.317 |
| Vermont | 34.62 | 33.10 | 0.221 | 24.10b | 22.10 | 0.062 |
| Virginia | 29.66a | 27.53 | 0.026 | 19.75 | 18.40 | 0.125 |
| Washington | 26.92a | 24.68 | 0.024 | 18.91a | 16.51 | 0.006 |
| West Virginia | 24.64b | 26.45 | 0.095 | 16.45 | 18.04 | 0.105 |
| Wisconsin | 30.09a | 27.84 | 0.034 | 21.05a | 18.09 | 0.001 |
| Wyoming | 30.21a | 27.05 | 0.030 | 21.26b | 19.17 | 0.084 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Tobacco Products include cigarettes, smokeless tobacco (i.e., chewing tobacco or snuff), cigars, or pipe tobacco. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 27.60a | 26.97 | 0.006 | 11.25a | 10.34 | 0.000 | 41.27a | 40.17 | 0.002 | 27.28b | 26.76 | 0.071 |
| Northeast | 26.27 | 25.91 | 0.406 | 10.90 | 10.38 | 0.151 | 40.90a | 39.68 | 0.037 | 25.62 | 25.43 | 0.721 |
| Midwest | 30.10 | 29.55 | 0.156 | 12.56a | 11.42 | 0.000 | 45.79a | 44.74 | 0.029 | 29.58 | 29.20 | 0.449 |
| South | 29.04 | 28.44 | 0.126 | 11.29a | 10.51 | 0.005 | 41.64a | 40.54 | 0.012 | 29.12 | 28.60 | 0.314 |
| West | 24.00a | 23.07 | 0.040 | 10.22a | 9.07 | 0.002 | 36.86b | 35.82 | 0.098 | 23.48 | 22.60 | 0.137 |
| Alabama | 32.68 | 32.43 | 0.828 | 11.89 | 11.38 | 0.578 | 44.30 | 44.84 | 0.732 | 33.29 | 32.91 | 0.795 |
| Alaska | 31.93 | 32.88 | 0.410 | 13.27 | 12.39 | 0.421 | 45.63 | 46.47 | 0.621 | 31.89 | 33.12 | 0.421 |
| Arizona | 26.04 | 26.85 | 0.446 | 11.52 | 10.78 | 0.416 | 37.75 | 37.07 | 0.678 | 25.96 | 27.20 | 0.352 |
| Arkansas | 33.53 | 32.62 | 0.419 | 13.76 | 12.35 | 0.162 | 45.35 | 44.85 | 0.741 | 34.08 | 33.12 | 0.506 |
| California | 21.72a | 19.97 | 0.007 | 9.06a | 7.53 | 0.005 | 33.93 | 32.44 | 0.117 | 21.13a | 19.32 | 0.032 |
| Colorado | 26.91 | 27.44 | 0.626 | 12.37 | 12.05 | 0.757 | 42.57 | 43.40 | 0.614 | 25.94 | 26.52 | 0.680 |
| Connecticut | 25.07 | 25.50 | 0.704 | 10.81 | 10.07 | 0.444 | 41.34 | 41.81 | 0.764 | 24.18 | 24.78 | 0.678 |
| Delaware | 29.01 | 29.07 | 0.961 | 12.53 | 11.37 | 0.229 | 42.17 | 41.05 | 0.518 | 28.80 | 29.14 | 0.812 |
| District of Columbia | 27.50 | 26.70 | 0.452 | 9.08b | 7.62 | 0.084 | 35.49 | 34.40 | 0.509 | 27.37 | 26.51 | 0.527 |
| Florida | 26.24 | 25.98 | 0.708 | 10.43a | 8.68 | 0.001 | 37.56 | 36.44 | 0.219 | 26.24 | 26.25 | 0.999 |
| Georgia | 26.80 | 26.04 | 0.460 | 11.52 | 11.57 | 0.963 | 40.39 | 38.07 | 0.170 | 26.51 | 25.86 | 0.625 |
| Hawaii | 22.62 | 23.48 | 0.449 | 10.04 | 9.42 | 0.547 | 36.80 | 35.40 | 0.454 | 21.74 | 23.17 | 0.306 |
| Idaho | 27.73 | 27.37 | 0.746 | 11.85 | 11.34 | 0.581 | 41.70a | 38.34 | 0.027 | 27.43 | 27.61 | 0.900 |
| Illinois | 28.74a | 26.88 | 0.005 | 10.94a | 9.59 | 0.023 | 44.05b | 42.40 | 0.071 | 28.30a | 26.42 | 0.028 |
| Indiana | 30.63 | 29.93 | 0.521 | 12.22b | 10.66 | 0.090 | 47.39a | 44.13 | 0.050 | 30.12 | 29.92 | 0.889 |
| Iowa | 30.87b | 28.81 | 0.051 | 13.33 | 12.68 | 0.508 | 45.03 | 44.96 | 0.965 | 30.45b | 27.86 | 0.056 |
| Kansas | 30.66 | 30.85 | 0.858 | 13.48 | 12.52 | 0.350 | 44.15 | 46.35 | 0.187 | 30.33 | 30.36 | 0.987 |
| Kentucky | 35.51 | 37.37 | 0.135 | 15.04 | 14.85 | 0.866 | 48.42 | 50.43 | 0.194 | 35.88 | 37.90 | 0.198 |
| Louisiana | 30.09 | 30.73 | 0.542 | 10.86 | 10.93 | 0.923 | 41.88 | 40.63 | 0.390 | 30.41 | 31.47 | 0.443 |
| Maine | 28.92 | 29.05 | 0.917 | 12.46 | 11.53 | 0.336 | 47.07 | 45.31 | 0.266 | 28.10 | 28.55 | 0.758 |
| Maryland | 24.16 | 23.23 | 0.409 | 9.26a | 7.64 | 0.042 | 35.94 | 35.90 | 0.979 | 24.01 | 23.03 | 0.485 |
| Massachusetts | 24.27 | 22.93 | 0.175 | 10.39 | 11.00 | 0.516 | 42.39a | 38.70 | 0.025 | 22.65 | 21.51 | 0.359 |
| Michigan | 30.06 | 30.56 | 0.467 | 11.91 | 11.12 | 0.175 | 45.35 | 45.88 | 0.564 | 29.77 | 30.40 | 0.470 |
| Minnesota | 27.33 | 26.25 | 0.262 | 11.18 | 10.40 | 0.405 | 46.96 | 45.55 | 0.381 | 25.92 | 24.92 | 0.413 |
| Mississippi | 34.57 | 34.49 | 0.947 | 13.54 | 13.07 | 0.650 | 46.86 | 46.70 | 0.918 | 35.19 | 35.16 | 0.982 |
| Missouri | 34.45 | 33.75 | 0.542 | 15.85 | 15.12 | 0.513 | 47.58 | 46.93 | 0.692 | 34.55 | 33.80 | 0.607 |
| Montana | 32.12 | 31.95 | 0.891 | 16.34 | 16.49 | 0.906 | 47.95 | 48.75 | 0.601 | 31.19 | 30.82 | 0.813 |
| Nebraska | 29.00 | 28.47 | 0.633 | 12.12 | 11.56 | 0.537 | 42.20 | 41.93 | 0.858 | 28.62 | 28.11 | 0.715 |
| Nevada | 27.41 | 26.41 | 0.421 | 9.93 | 8.60 | 0.193 | 39.62 | 38.00 | 0.319 | 27.74 | 26.80 | 0.549 |
| New Hampshire | 28.98 | 27.33 | 0.132 | 13.66 | 13.65 | 0.993 | 46.77 | 46.05 | 0.661 | 27.95 | 25.91 | 0.137 |
| New Jersey | 25.55 | 26.24 | 0.554 | 9.74 | 10.30 | 0.613 | 42.22 | 41.41 | 0.634 | 24.91 | 25.89 | 0.507 |
| New Mexico | 27.12 | 25.98 | 0.326 | 13.06 | 12.03 | 0.337 | 42.99 | 42.55 | 0.785 | 26.03 | 24.85 | 0.432 |
| New York | 24.21 | 23.94 | 0.692 | 9.98a | 8.73 | 0.024 | 36.42 | 35.34 | 0.267 | 23.75 | 23.74 | 0.988 |
| North Carolina | 30.27 | 28.62 | 0.127 | 11.09 | 11.37 | 0.759 | 43.42 | 42.54 | 0.584 | 30.42 | 28.38 | 0.140 |
| North Dakota | 28.77 | 28.88 | 0.922 | 13.10 | 12.31 | 0.481 | 42.36 | 43.81 | 0.339 | 27.47 | 27.43 | 0.977 |
| Ohio | 31.20 | 31.95 | 0.289 | 14.01a | 12.72 | 0.042 | 47.62 | 46.22 | 0.137 | 30.65 | 32.00 | 0.135 |
| Oklahoma | 36.51 | 35.32 | 0.366 | 14.35 | 14.38 | 0.984 | 51.53b | 48.46 | 0.068 | 36.60 | 35.61 | 0.561 |
| Oregon | 28.45 | 26.77 | 0.112 | 12.91a | 10.09 | 0.002 | 42.81 | 41.31 | 0.352 | 27.92 | 26.30 | 0.221 |
| Pennsylvania | 30.69 | 29.63 | 0.123 | 12.94 | 12.12 | 0.195 | 45.03 | 43.69 | 0.200 | 30.39 | 29.30 | 0.213 |
| Rhode Island | 26.81 | 28.06 | 0.244 | 10.85 | 10.75 | 0.911 | 41.87 | 43.18 | 0.433 | 25.83 | 27.17 | 0.328 |
| South Carolina | 30.47 | 31.47 | 0.397 | 11.62 | 12.38 | 0.432 | 44.51 | 43.37 | 0.476 | 30.42 | 31.74 | 0.384 |
| South Dakota | 31.42 | 31.54 | 0.908 | 13.59 | 14.21 | 0.574 | 47.66 | 46.64 | 0.544 | 30.67 | 30.95 | 0.840 |
| Tennessee | 34.61 | 35.02 | 0.731 | 13.28 | 13.13 | 0.879 | 48.90 | 47.80 | 0.504 | 34.90 | 35.56 | 0.660 |
| Texas | 26.34 | 25.52 | 0.225 | 9.91a | 8.81 | 0.037 | 38.35 | 37.47 | 0.320 | 26.43 | 25.68 | 0.400 |
| Utah | 16.82 | 15.78 | 0.287 | 7.28 | 6.93 | 0.681 | 25.10 | 24.00 | 0.508 | 16.40 | 15.33 | 0.412 |
| Vermont | 27.08 | 28.06 | 0.395 | 12.52 | 14.07 | 0.162 | 43.42 | 44.68 | 0.411 | 25.84 | 26.63 | 0.587 |
| Virginia | 27.47a | 24.88 | 0.008 | 10.90a | 9.06 | 0.030 | 42.64a | 39.20 | 0.027 | 26.82a | 24.28 | 0.038 |
| Washington | 26.91 | 27.58 | 0.520 | 11.24 | 11.61 | 0.703 | 44.31 | 44.30 | 0.999 | 25.94 | 26.71 | 0.558 |
| West Virginia | 40.22 | 38.46 | 0.181 | 17.35 | 16.85 | 0.684 | 51.73 | 50.22 | 0.329 | 40.89 | 38.91 | 0.223 |
| Wisconsin | 28.03 | 27.03 | 0.369 | 11.85a | 9.76 | 0.020 | 45.09 | 42.75 | 0.151 | 27.02 | 26.40 | 0.663 |
| Wyoming | 33.67 | 31.89 | 0.152 | 17.44a | 14.91 | 0.037 | 49.52 | 47.18 | 0.143 | 32.73 | 31.13 | 0.315 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 23.16a | 22.53 | 0.004 | 8.69a | 8.07 | 0.000 | 35.09a | 33.92 | 0.000 | 22.91a | 22.36 | 0.045 |
| Northeast | 22.22 | 22.00 | 0.601 | 8.54 | 8.14 | 0.164 | 35.34a | 33.76 | 0.009 | 21.62 | 21.66 | 0.952 |
| Midwest | 25.11b | 24.47 | 0.074 | 9.87a | 8.84 | 0.000 | 38.84a | 37.76 | 0.030 | 24.65 | 24.13 | 0.287 |
| South | 24.26b | 23.67 | 0.090 | 8.70a | 8.19 | 0.030 | 35.25a | 33.95 | 0.006 | 24.34 | 23.83 | 0.287 |
| West | 20.31a | 19.31 | 0.020 | 7.72b | 7.13 | 0.068 | 31.24 | 30.48 | 0.231 | 19.98a | 18.88 | 0.050 |
| Alabama | 27.07 | 26.87 | 0.844 | 9.01 | 8.84 | 0.830 | 37.14 | 36.70 | 0.779 | 27.60 | 27.41 | 0.886 |
| Alaska | 26.21 | 27.68 | 0.195 | 8.20 | 7.84 | 0.669 | 38.94 | 39.63 | 0.689 | 26.26 | 28.14 | 0.201 |
| Arizona | 22.39 | 23.15 | 0.482 | 9.92 | 8.76 | 0.152 | 31.53 | 31.99 | 0.785 | 22.47 | 23.52 | 0.439 |
| Arkansas | 28.16 | 27.11 | 0.374 | 10.30 | 9.35 | 0.282 | 39.29 | 37.39 | 0.237 | 28.58 | 27.63 | 0.527 |
| California | 18.54a | 16.82 | 0.004 | 6.83 | 6.25 | 0.204 | 28.85 | 27.54 | 0.174 | 18.18a | 16.25 | 0.013 |
| Colorado | 21.15 | 22.24 | 0.260 | 8.77 | 8.64 | 0.865 | 34.01 | 35.83 | 0.243 | 20.41 | 21.52 | 0.374 |
| Connecticut | 21.31 | 21.53 | 0.829 | 8.76 | 8.02 | 0.353 | 35.47 | 35.99 | 0.747 | 20.54 | 20.87 | 0.806 |
| Delaware | 23.63 | 24.39 | 0.497 | 9.31 | 8.16 | 0.134 | 35.59 | 35.37 | 0.893 | 23.35 | 24.46 | 0.436 |
| District of Columbia | 23.41 | 23.24 | 0.872 | 6.53 | 5.99 | 0.371 | 29.33 | 28.18 | 0.450 | 23.61 | 23.55 | 0.962 |
| Florida | 22.34 | 21.99 | 0.603 | 7.95a | 6.91 | 0.014 | 31.73 | 30.77 | 0.280 | 22.48 | 22.27 | 0.805 |
| Georgia | 22.43 | 20.87 | 0.121 | 9.25 | 9.41 | 0.842 | 34.10b | 31.08 | 0.067 | 22.19 | 20.61 | 0.209 |
| Hawaii | 19.75 | 20.13 | 0.727 | 7.16 | 6.68 | 0.561 | 32.61 | 31.59 | 0.569 | 19.08 | 19.82 | 0.582 |
| Idaho | 23.67 | 22.65 | 0.342 | 8.85 | 8.57 | 0.711 | 36.38a | 32.64 | 0.015 | 23.45 | 22.80 | 0.640 |
| Illinois | 24.38a | 22.23 | 0.001 | 8.67a | 7.28 | 0.002 | 38.10b | 36.43 | 0.087 | 23.95a | 21.69 | 0.007 |
| Indiana | 25.85 | 25.33 | 0.629 | 9.41b | 8.06 | 0.080 | 40.22 | 37.73 | 0.113 | 25.50 | 25.39 | 0.937 |
| Iowa | 25.45 | 23.87 | 0.114 | 10.83 | 10.80 | 0.969 | 37.59 | 37.90 | 0.846 | 25.04 | 22.94 | 0.103 |
| Kansas | 23.94 | 23.94 | 0.996 | 10.64 | 9.62 | 0.234 | 35.89 | 37.19 | 0.402 | 23.40 | 23.35 | 0.964 |
| Kentucky | 29.93 | 31.37 | 0.248 | 11.01 | 11.66 | 0.501 | 40.50 | 42.32 | 0.277 | 30.50 | 31.92 | 0.366 |
| Louisiana | 25.90 | 26.99 | 0.294 | 8.69 | 9.14 | 0.522 | 36.76 | 35.41 | 0.376 | 26.13 | 27.76 | 0.227 |
| Maine | 24.73 | 25.04 | 0.799 | 9.47 | 8.87 | 0.438 | 40.62 | 39.16 | 0.365 | 24.09 | 24.70 | 0.685 |
| Maryland | 19.72 | 19.40 | 0.758 | 7.43a | 5.90 | 0.019 | 30.21 | 30.06 | 0.931 | 19.47 | 19.27 | 0.881 |
| Massachusetts | 20.64b | 19.08 | 0.097 | 7.88 | 8.16 | 0.703 | 36.23a | 32.73 | 0.024 | 19.33 | 17.92 | 0.237 |
| Michigan | 25.91 | 26.22 | 0.641 | 9.49a | 8.40 | 0.031 | 39.17 | 39.46 | 0.756 | 25.74 | 26.22 | 0.580 |
| Minnesota | 23.21 | 22.11 | 0.229 | 8.89 | 8.70 | 0.799 | 40.41 | 39.70 | 0.647 | 22.00 | 20.76 | 0.287 |
| Mississippi | 27.48 | 26.96 | 0.637 | 10.22 | 9.37 | 0.299 | 38.98 | 38.81 | 0.910 | 27.73 | 27.17 | 0.697 |
| Missouri | 27.42 | 27.01 | 0.698 | 11.61 | 11.60 | 0.993 | 39.61 | 38.35 | 0.446 | 27.34 | 26.98 | 0.790 |
| Montana | 24.95 | 24.44 | 0.613 | 12.16 | 11.73 | 0.666 | 37.05 | 37.83 | 0.603 | 24.32 | 23.58 | 0.560 |
| Nebraska | 24.07 | 23.26 | 0.444 | 9.13 | 8.87 | 0.737 | 37.42 | 36.99 | 0.779 | 23.42 | 22.53 | 0.512 |
| Nevada | 23.69 | 22.72 | 0.413 | 7.39 | 6.95 | 0.557 | 33.17 | 32.79 | 0.826 | 24.30 | 23.09 | 0.422 |
| New Hampshire | 24.23a | 22.13 | 0.042 | 10.66 | 10.70 | 0.963 | 41.42a | 38.09 | 0.028 | 23.09b | 20.90 | 0.094 |
| New Jersey | 21.19 | 22.86 | 0.131 | 7.66 | 8.35 | 0.380 | 37.35 | 35.37 | 0.218 | 20.36b | 22.74 | 0.088 |
| New Mexico | 22.57 | 21.14 | 0.184 | 10.17 | 9.08 | 0.204 | 36.14 | 35.56 | 0.738 | 21.69 | 20.15 | 0.261 |
| New York | 21.18 | 20.86 | 0.614 | 7.79a | 6.83 | 0.025 | 31.70 | 30.28 | 0.128 | 20.91 | 20.86 | 0.950 |
| North Carolina | 26.03 | 24.61 | 0.202 | 8.22 | 8.86 | 0.420 | 38.30 | 36.84 | 0.348 | 26.15 | 24.48 | 0.233 |
| North Dakota | 22.74 | 22.69 | 0.961 | 10.27 | 9.64 | 0.486 | 33.53b | 35.96 | 0.098 | 21.73 | 21.22 | 0.718 |
| Ohio | 25.79 | 26.56 | 0.266 | 11.22a | 9.62 | 0.003 | 39.74 | 38.24 | 0.117 | 25.32 | 26.75 | 0.109 |
| Oklahoma | 28.98 | 28.98 | 1.000 | 10.80 | 10.21 | 0.545 | 43.60 | 41.00 | 0.118 | 28.62 | 29.19 | 0.730 |
| Oregon | 23.94b | 22.29 | 0.097 | 9.53a | 7.45 | 0.008 | 37.77 | 36.27 | 0.333 | 23.36 | 21.70 | 0.187 |
| Pennsylvania | 25.05 | 24.29 | 0.272 | 10.28 | 9.58 | 0.194 | 38.18 | 36.93 | 0.229 | 24.60 | 23.88 | 0.413 |
| Rhode Island | 23.22 | 24.13 | 0.359 | 8.46 | 8.39 | 0.928 | 35.82 | 35.77 | 0.979 | 22.56 | 23.72 | 0.371 |
| South Carolina | 26.50 | 27.01 | 0.675 | 9.02 | 9.70 | 0.403 | 37.92 | 37.26 | 0.667 | 26.72 | 27.34 | 0.691 |
| South Dakota | 25.14 | 24.58 | 0.587 | 10.29 | 10.18 | 0.903 | 38.80 | 38.00 | 0.614 | 24.50 | 23.93 | 0.668 |
| Tennessee | 27.81 | 27.62 | 0.868 | 9.25 | 9.18 | 0.930 | 39.70 | 37.95 | 0.286 | 28.15 | 28.14 | 0.995 |
| Texas | 22.02 | 21.46 | 0.372 | 8.00b | 7.11 | 0.061 | 32.62 | 31.73 | 0.319 | 22.03 | 21.59 | 0.602 |
| Utah | 15.83a | 13.67 | 0.012 | 5.86 | 5.13 | 0.270 | 23.51 | 22.66 | 0.591 | 15.63a | 12.99 | 0.022 |
| Vermont | 22.37 | 22.69 | 0.763 | 9.34 | 10.48 | 0.181 | 37.89 | 37.97 | 0.960 | 21.10 | 21.31 | 0.873 |
| Virginia | 22.76a | 20.07 | 0.004 | 8.60a | 6.99 | 0.017 | 35.11a | 31.41 | 0.013 | 22.32a | 19.67 | 0.025 |
| Washington | 22.66 | 22.72 | 0.952 | 7.95 | 8.56 | 0.429 | 37.56 | 37.14 | 0.790 | 21.97 | 22.01 | 0.978 |
| West Virginia | 32.00 | 30.45 | 0.229 | 11.85 | 11.80 | 0.962 | 43.86 | 41.95 | 0.241 | 32.34 | 30.62 | 0.283 |
| Wisconsin | 23.51 | 21.93 | 0.126 | 9.43b | 8.10 | 0.100 | 37.95b | 35.25 | 0.089 | 22.70 | 21.30 | 0.280 |
| Wyoming | 25.72 | 23.88 | 0.111 | 13.47a | 11.26 | 0.023 | 39.62 | 38.55 | 0.479 | 24.66 | 22.72 | 0.194 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 71.21 | 71.35 | 0.544 | 65.41 | 65.74 | 0.266 | 65.15b | 65.71 | 0.075 | 72.99 | 73.03 | 0.905 |
| Northeast | 73.50 | 73.69 | 0.647 | 68.09 | 67.49 | 0.286 | 67.01 | 66.83 | 0.774 | 75.23 | 75.56 | 0.513 |
| Midwest | 67.42 | 67.62 | 0.592 | 64.34 | 64.46 | 0.806 | 61.07 | 61.71 | 0.223 | 68.91 | 69.04 | 0.779 |
| South | 70.96 | 70.88 | 0.823 | 64.12b | 64.83 | 0.082 | 64.72 | 65.45 | 0.149 | 72.89 | 72.58 | 0.484 |
| West | 73.36 | 73.73 | 0.401 | 66.44 | 67.07 | 0.285 | 68.12 | 68.92 | 0.219 | 75.22 | 75.47 | 0.649 |
| Alabama | 67.33 | 67.23 | 0.930 | 60.26 | 60.68 | 0.778 | 60.46 | 62.97 | 0.164 | 69.40 | 68.80 | 0.672 |
| Alaska | 67.21 | 66.27 | 0.413 | 66.75 | 65.18 | 0.315 | 62.65 | 61.68 | 0.561 | 68.17 | 67.33 | 0.570 |
| Arizona | 71.76 | 70.11 | 0.143 | 65.07 | 65.78 | 0.642 | 66.03 | 66.35 | 0.864 | 73.59 | 71.31 | 0.111 |
| Arkansas | 70.18 | 70.52 | 0.750 | 63.20 | 63.54 | 0.818 | 60.97 | 62.61 | 0.338 | 72.58 | 72.74 | 0.906 |
| California | 75.39a | 76.76 | 0.033 | 66.60 | 67.76 | 0.217 | 71.14 | 72.32 | 0.220 | 77.39b | 78.81 | 0.086 |
| Colorado | 72.37 | 71.50 | 0.424 | 66.71 | 66.28 | 0.767 | 66.40 | 65.23 | 0.463 | 74.07 | 73.21 | 0.532 |
| Connecticut | 73.11 | 74.20 | 0.294 | 68.65 | 67.75 | 0.531 | 66.24 | 66.38 | 0.934 | 74.77 | 76.25 | 0.260 |
| Delaware | 73.29 | 74.43 | 0.269 | 66.85 | 65.84 | 0.482 | 66.11 | 67.78 | 0.297 | 75.24 | 76.55 | 0.317 |
| District of Columbia | 75.29 | 75.49 | 0.835 | 65.22 | 63.08 | 0.162 | 69.73 | 69.96 | 0.893 | 77.42 | 77.78 | 0.769 |
| Florida | 74.85 | 75.81 | 0.158 | 66.55 | 67.95 | 0.135 | 68.97 | 69.78 | 0.400 | 76.63 | 77.57 | 0.264 |
| Georgia | 71.37b | 69.67 | 0.090 | 64.22 | 63.64 | 0.708 | 66.68 | 66.10 | 0.710 | 73.17 | 71.12 | 0.107 |
| Hawaii | 72.05b | 69.84 | 0.062 | 67.01 | 64.60 | 0.177 | 66.61 | 66.34 | 0.885 | 73.46b | 70.95 | 0.089 |
| Idaho | 65.77b | 67.76 | 0.083 | 64.43a | 67.35 | 0.045 | 60.34 | 62.64 | 0.188 | 66.95 | 68.77 | 0.221 |
| Illinois | 69.14b | 70.49 | 0.051 | 65.15 | 65.53 | 0.670 | 62.26b | 63.92 | 0.098 | 70.90 | 72.28 | 0.111 |
| Indiana | 66.16 | 67.53 | 0.219 | 64.61 | 65.62 | 0.506 | 59.06b | 61.99 | 0.081 | 67.59 | 68.77 | 0.413 |
| Iowa | 65.32a | 67.49 | 0.050 | 61.65 | 62.73 | 0.477 | 58.43a | 61.94 | 0.040 | 67.01 | 69.07 | 0.147 |
| Kansas | 64.89 | 65.02 | 0.903 | 58.79 | 60.11 | 0.426 | 61.61 | 60.52 | 0.528 | 66.31 | 66.52 | 0.886 |
| Kentucky | 62.29 | 63.22 | 0.438 | 63.41 | 63.82 | 0.789 | 55.85b | 59.09 | 0.051 | 63.18 | 63.83 | 0.669 |
| Louisiana | 71.96 | 71.49 | 0.641 | 65.08 | 64.11 | 0.522 | 65.06 | 66.03 | 0.524 | 74.20 | 73.48 | 0.579 |
| Maine | 68.71 | 68.82 | 0.924 | 67.35 | 65.53 | 0.208 | 60.95 | 60.40 | 0.739 | 69.95 | 70.38 | 0.766 |
| Maryland | 74.90 | 74.58 | 0.747 | 65.98 | 66.15 | 0.907 | 69.66 | 69.07 | 0.729 | 76.89 | 76.53 | 0.772 |
| Massachusetts | 75.91 | 75.32 | 0.557 | 70.34a | 66.42 | 0.008 | 68.40 | 68.10 | 0.852 | 77.89 | 77.60 | 0.823 |
| Michigan | 68.24 | 68.16 | 0.913 | 64.08 | 65.13 | 0.227 | 62.54 | 62.71 | 0.863 | 69.75 | 69.49 | 0.768 |
| Minnesota | 68.10 | 67.79 | 0.793 | 67.41 | 67.66 | 0.874 | 60.77 | 59.71 | 0.561 | 69.44 | 69.17 | 0.852 |
| Mississippi | 69.22 | 68.93 | 0.783 | 60.99 | 62.28 | 0.389 | 63.50 | 65.16 | 0.286 | 71.42 | 70.54 | 0.519 |
| Missouri | 66.34 | 65.03 | 0.249 | 61.97 | 60.22 | 0.260 | 58.80 | 60.35 | 0.371 | 68.16 | 66.42 | 0.233 |
| Montana | 67.99 | 67.95 | 0.976 | 64.27 | 64.78 | 0.730 | 60.50 | 62.89 | 0.154 | 69.73 | 69.19 | 0.717 |
| Nebraska | 67.08 | 68.51 | 0.196 | 62.38 | 63.04 | 0.662 | 60.22b | 63.37 | 0.055 | 69.02 | 70.16 | 0.420 |
| Nevada | 70.59 | 70.41 | 0.876 | 65.85 | 66.46 | 0.696 | 67.69 | 66.79 | 0.635 | 71.64 | 71.49 | 0.917 |
| New Hampshire | 69.68 | 71.16 | 0.151 | 64.70 | 64.17 | 0.724 | 64.34 | 63.78 | 0.737 | 71.11 | 73.15 | 0.110 |
| New Jersey | 73.89 | 75.31 | 0.167 | 67.23a | 70.34 | 0.027 | 68.95 | 68.62 | 0.843 | 75.46 | 76.93 | 0.251 |
| New Mexico | 72.63 | 72.31 | 0.758 | 63.49 | 64.96 | 0.336 | 64.48 | 65.90 | 0.435 | 75.30 | 74.40 | 0.499 |
| New York | 76.41 | 76.73 | 0.653 | 71.09 | 69.57 | 0.105 | 69.63 | 70.11 | 0.640 | 78.24 | 78.72 | 0.590 |
| North Carolina | 68.97 | 68.67 | 0.788 | 66.79 | 67.21 | 0.785 | 63.56 | 62.29 | 0.443 | 70.14 | 69.92 | 0.874 |
| North Dakota | 68.20 | 68.39 | 0.875 | 65.63 | 67.03 | 0.377 | 63.90 | 61.58 | 0.167 | 69.51 | 70.08 | 0.706 |
| Ohio | 66.37b | 65.03 | 0.072 | 64.16 | 63.61 | 0.550 | 60.54 | 60.25 | 0.769 | 67.60b | 65.99 | 0.085 |
| Oklahoma | 66.20 | 67.51 | 0.240 | 58.74 | 59.43 | 0.680 | 59.93 | 61.70 | 0.314 | 68.32 | 69.61 | 0.373 |
| Oregon | 70.35 | 69.16 | 0.268 | 65.20 | 66.17 | 0.503 | 60.47b | 63.39 | 0.078 | 72.51 | 70.43 | 0.125 |
| Pennsylvania | 68.78 | 67.86 | 0.192 | 63.44 | 63.43 | 0.987 | 61.85 | 60.82 | 0.357 | 70.55 | 69.54 | 0.254 |
| Rhode Island | 71.55b | 73.56 | 0.065 | 65.34 | 67.16 | 0.220 | 67.26 | 68.50 | 0.459 | 73.08 | 75.26 | 0.118 |
| South Carolina | 70.33b | 68.44 | 0.096 | 62.06 | 61.87 | 0.902 | 63.05 | 62.98 | 0.967 | 72.53b | 70.15 | 0.095 |
| South Dakota | 66.42 | 67.26 | 0.453 | 64.35 | 64.83 | 0.751 | 62.17 | 61.46 | 0.678 | 67.45 | 68.60 | 0.424 |
| Tennessee | 66.02 | 65.79 | 0.850 | 61.01 | 62.54 | 0.295 | 57.95 | 59.49 | 0.377 | 67.89 | 67.20 | 0.653 |
| Texas | 72.12 | 71.63 | 0.455 | 63.54 | 64.59 | 0.250 | 65.76 | 66.21 | 0.656 | 74.57 | 73.69 | 0.301 |
| Utah | 73.78 | 73.65 | 0.890 | 72.63 | 74.12 | 0.275 | 68.59 | 67.31 | 0.487 | 75.27 | 75.09 | 0.897 |
| Vermont | 70.96 | 70.75 | 0.848 | 65.59 | 63.77 | 0.253 | 64.50 | 63.76 | 0.673 | 72.66 | 72.73 | 0.954 |
| Virginia | 71.93 | 72.01 | 0.941 | 66.41 | 68.17 | 0.209 | 65.70 | 67.63 | 0.240 | 73.68 | 73.23 | 0.751 |
| Washington | 71.23 | 70.76 | 0.645 | 66.20b | 63.59 | 0.086 | 63.17 | 63.83 | 0.690 | 73.14 | 72.77 | 0.765 |
| West Virginia | 64.61a | 67.92 | 0.005 | 61.44 | 63.36 | 0.202 | 56.98b | 60.23 | 0.071 | 66.09a | 69.57 | 0.017 |
| Wisconsin | 68.62 | 69.12 | 0.662 | 67.47 | 65.85 | 0.271 | 62.45 | 60.80 | 0.337 | 69.84 | 70.96 | 0.445 |
| Wyoming | 68.92 | 69.57 | 0.533 | 66.90 | 67.10 | 0.886 | 60.67b | 63.88 | 0.066 | 70.68 | 70.90 | 0.869 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Dependence or abuse is based on definitions found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 7.27a | 6.78 | 0.000 | 4.59a | 4.17 | 0.002 | 15.91a | 15.03 | 0.000 | 6.10a | 5.67 | 0.002 |
| Northeast | 7.25 | 7.00 | 0.181 | 4.61b | 4.24 | 0.082 | 16.96a | 15.74 | 0.011 | 5.92 | 5.86 | 0.782 |
| Midwest | 7.46a | 7.02 | 0.006 | 4.58a | 4.03 | 0.001 | 16.81a | 15.86 | 0.017 | 6.19 | 5.86 | 0.108 |
| South | 6.82a | 6.05 | 0.000 | 4.18a | 3.76 | 0.008 | 14.60a | 13.49 | 0.003 | 5.82a | 5.05 | 0.000 |
| West | 7.80 | 7.52 | 0.197 | 5.20 | 4.88 | 0.236 | 16.28 | 16.11 | 0.741 | 6.61 | 6.32 | 0.286 |
| Alabama | 6.82a | 5.38 | 0.000 | 4.30 | 3.60 | 0.123 | 13.69 | 12.27 | 0.140 | 5.96a | 4.40 | 0.001 |
| Alaska | 7.80 | 7.86 | 0.902 | 4.91 | 4.59 | 0.575 | 15.52 | 15.34 | 0.869 | 6.69 | 6.86 | 0.790 |
| Arizona | 7.74 | 8.17 | 0.381 | 4.88 | 4.67 | 0.715 | 17.00 | 16.19 | 0.504 | 6.55 | 7.26 | 0.244 |
| Arkansas | 6.58a | 5.29 | 0.001 | 4.54 | 3.86 | 0.151 | 14.23a | 11.69 | 0.013 | 5.57a | 4.39 | 0.017 |
| California | 8.02b | 7.41 | 0.070 | 5.39 | 5.23 | 0.701 | 15.93 | 16.00 | 0.923 | 6.88b | 6.10 | 0.066 |
| Colorado | 8.71 | 8.54 | 0.746 | 5.68 | 4.68 | 0.122 | 20.07 | 19.09 | 0.426 | 7.11 | 7.17 | 0.928 |
| Connecticut | 7.85 | 7.30 | 0.279 | 4.82 | 4.20 | 0.280 | 18.62 | 17.20 | 0.275 | 6.46 | 6.08 | 0.539 |
| Delaware | 7.27a | 6.19 | 0.021 | 4.76b | 3.83 | 0.057 | 16.65a | 14.26 | 0.042 | 6.02 | 5.11 | 0.115 |
| District of Columbia | 9.48b | 10.77 | 0.063 | 3.32 | 3.52 | 0.677 | 17.21 | 18.00 | 0.534 | 8.34 | 9.73 | 0.105 |
| Florida | 6.78a | 5.90 | 0.003 | 4.44b | 3.86 | 0.071 | 13.80 | 13.32 | 0.483 | 5.98a | 4.99 | 0.006 |
| Georgia | 6.31b | 5.62 | 0.072 | 3.65 | 3.84 | 0.642 | 14.13 | 12.70 | 0.165 | 5.31 | 4.60 | 0.146 |
| Hawaii | 7.71 | 7.86 | 0.809 | 5.49 | 4.53 | 0.215 | 17.14 | 17.48 | 0.814 | 6.46 | 6.74 | 0.711 |
| Idaho | 7.53 | 7.42 | 0.829 | 5.23 | 4.50 | 0.188 | 16.51 | 15.58 | 0.408 | 6.21 | 6.32 | 0.866 |
| Illinois | 7.21 | 6.89 | 0.283 | 4.11 | 3.92 | 0.536 | 16.91 | 16.50 | 0.558 | 5.86 | 5.60 | 0.493 |
| Indiana | 7.22 | 6.94 | 0.552 | 4.41 | 3.76 | 0.179 | 15.99 | 15.78 | 0.856 | 6.06 | 5.79 | 0.629 |
| Iowa | 8.25 | 7.78 | 0.335 | 5.44b | 4.35 | 0.060 | 19.82 | 18.75 | 0.397 | 6.51 | 6.22 | 0.626 |
| Kansas | 7.94b | 7.17 | 0.079 | 5.35 | 4.54 | 0.133 | 17.92b | 15.97 | 0.087 | 6.37 | 5.87 | 0.346 |
| Kentucky | 6.14a | 4.79 | 0.000 | 4.08 | 3.64 | 0.328 | 14.03a | 11.27 | 0.008 | 5.13a | 3.86 | 0.007 |
| Louisiana | 6.60 | 6.30 | 0.494 | 3.40 | 3.24 | 0.701 | 14.20 | 13.51 | 0.502 | 5.58 | 5.35 | 0.681 |
| Maine | 6.45a | 5.37 | 0.014 | 4.09 | 3.71 | 0.411 | 16.64b | 14.63 | 0.077 | 5.25b | 4.21 | 0.051 |
| Maryland | 6.41a | 5.14 | 0.003 | 3.30 | 3.03 | 0.511 | 13.82 | 12.66 | 0.302 | 5.54a | 4.14 | 0.009 |
| Massachusetts | 8.30 | 8.40 | 0.831 | 5.16 | 4.90 | 0.628 | 19.91 | 19.05 | 0.506 | 6.60 | 6.93 | 0.576 |
| Michigan | 7.69 | 7.15 | 0.104 | 4.49 | 4.02 | 0.169 | 15.76 | 14.87 | 0.214 | 6.72 | 6.22 | 0.233 |
| Minnesota | 7.81 | 7.69 | 0.805 | 4.86 | 4.28 | 0.247 | 17.57 | 17.85 | 0.819 | 6.49 | 6.39 | 0.862 |
| Mississippi | 6.49a | 5.57 | 0.017 | 3.75 | 3.50 | 0.546 | 13.54b | 11.83 | 0.064 | 5.56b | 4.69 | 0.073 |
| Missouri | 6.63a | 5.56 | 0.010 | 4.62 | 4.21 | 0.371 | 14.82 | 13.65 | 0.287 | 5.50a | 4.34 | 0.026 |
| Montana | 9.25 | 8.48 | 0.179 | 6.65 | 5.86 | 0.288 | 22.93a | 19.32 | 0.007 | 7.17 | 6.91 | 0.709 |
| Nebraska | 7.63a | 6.33 | 0.002 | 4.60 | 3.78 | 0.105 | 18.00a | 15.48 | 0.017 | 6.02a | 4.95 | 0.046 |
| Nevada | 8.44 | 8.95 | 0.379 | 5.38 | 4.67 | 0.293 | 18.13 | 17.65 | 0.701 | 7.34 | 8.10 | 0.296 |
| New Hampshire | 7.49b | 6.73 | 0.087 | 5.24 | 4.72 | 0.272 | 18.73 | 16.99 | 0.149 | 5.97 | 5.32 | 0.240 |
| New Jersey | 6.40 | 6.50 | 0.807 | 3.92 | 4.17 | 0.621 | 14.52 | 14.87 | 0.747 | 5.45 | 5.52 | 0.893 |
| New Mexico | 7.66 | 6.99 | 0.193 | 5.45 | 4.61 | 0.201 | 16.23 | 15.83 | 0.731 | 6.37 | 5.73 | 0.309 |
| New York | 7.35a | 6.65 | 0.032 | 4.97a | 4.10 | 0.014 | 16.60a | 14.46 | 0.004 | 5.99 | 5.59 | 0.314 |
| North Carolina | 6.27b | 5.53 | 0.059 | 3.62 | 4.01 | 0.398 | 13.80 | 12.91 | 0.392 | 5.34b | 4.48 | 0.079 |
| North Dakota | 8.37 | 8.83 | 0.375 | 4.55 | 4.25 | 0.554 | 19.76 | 20.70 | 0.454 | 6.18 | 6.69 | 0.431 |
| Ohio | 7.37 | 7.26 | 0.735 | 4.64a | 3.97 | 0.047 | 16.92a | 15.42 | 0.037 | 6.15 | 6.33 | 0.649 |
| Oklahoma | 7.69 | 7.17 | 0.317 | 4.76b | 3.80 | 0.062 | 16.32a | 14.01 | 0.040 | 6.48 | 6.35 | 0.848 |
| Oregon | 7.98 | 7.77 | 0.684 | 5.13a | 4.11 | 0.048 | 16.52 | 15.91 | 0.583 | 6.93 | 6.86 | 0.914 |
| Pennsylvania | 6.84 | 7.07 | 0.452 | 4.16 | 4.15 | 0.989 | 16.58 | 15.64 | 0.226 | 5.55 | 5.98 | 0.257 |
| Rhode Island | 8.75 | 9.11 | 0.532 | 4.59 | 4.38 | 0.689 | 18.09 | 19.03 | 0.489 | 7.48 | 7.76 | 0.689 |
| South Carolina | 8.05a | 6.53 | 0.001 | 3.88 | 3.91 | 0.952 | 14.50 | 12.97 | 0.158 | 7.49a | 5.76 | 0.003 |
| South Dakota | 9.14 | 8.87 | 0.631 | 6.44 | 5.88 | 0.436 | 20.26b | 17.83 | 0.069 | 7.44 | 7.62 | 0.791 |
| Tennessee | 6.39 | 6.12 | 0.490 | 3.70 | 3.71 | 0.978 | 14.00 | 13.52 | 0.642 | 5.51 | 5.20 | 0.531 |
| Texas | 6.91 | 6.58 | 0.259 | 4.58a | 3.72 | 0.013 | 14.74 | 14.17 | 0.388 | 5.76 | 5.55 | 0.586 |
| Utah | 5.71a | 4.59 | 0.006 | 4.00 | 3.72 | 0.488 | 11.53 | 10.13 | 0.177 | 4.58a | 3.42 | 0.020 |
| Vermont | 7.97 | 7.22 | 0.122 | 4.85 | 4.77 | 0.889 | 19.85 | 18.45 | 0.239 | 6.25 | 5.51 | 0.207 |
| Virginia | 8.12a | 6.92 | 0.007 | 5.02b | 4.24 | 0.090 | 18.83a | 16.27 | 0.026 | 6.63b | 5.61 | 0.062 |
| Washington | 6.40b | 7.17 | 0.056 | 4.29 | 4.49 | 0.695 | 15.16 | 16.52 | 0.222 | 5.22 | 5.93 | 0.140 |
| West Virginia | 6.06b | 5.32 | 0.055 | 4.25 | 3.91 | 0.470 | 14.16 | 14.66 | 0.646 | 5.02a | 4.03 | 0.034 |
| Wisconsin | 7.53 | 6.83 | 0.157 | 4.53b | 3.67 | 0.080 | 16.81 | 15.01 | 0.132 | 6.27 | 5.80 | 0.433 |
| Wyoming | 7.86 | 7.28 | 0.213 | 5.86a | 4.45 | 0.026 | 17.94 | 16.33 | 0.177 | 6.26 | 5.98 | 0.627 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Dependence is based on the definition found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 3.42a | 3.15 | 0.000 | 1.81a | 1.55 | 0.002 | 6.58a | 6.26 | 0.042 | 3.07a | 2.81 | 0.005 |
| Northeast | 3.37 | 3.18 | 0.145 | 1.84a | 1.53 | 0.008 | 6.99a | 6.18 | 0.004 | 2.95 | 2.87 | 0.634 |
| Midwest | 3.38 | 3.23 | 0.175 | 1.76a | 1.54 | 0.025 | 7.01b | 6.66 | 0.096 | 2.95 | 2.84 | 0.464 |
| South | 3.23a | 2.78 | 0.000 | 1.65a | 1.39 | 0.007 | 5.98a | 5.50 | 0.016 | 2.96a | 2.48 | 0.001 |
| West | 3.79 | 3.64 | 0.342 | 2.07 | 1.84 | 0.161 | 6.80 | 7.12 | 0.301 | 3.47 | 3.24 | 0.272 |
| Alabama | 3.21a | 2.64 | 0.035 | 1.57 | 1.30 | 0.252 | 5.82 | 5.12 | 0.228 | 2.97b | 2.38 | 0.089 |
| Alaska | 3.73 | 3.65 | 0.794 | 1.68 | 1.58 | 0.671 | 6.33 | 6.83 | 0.416 | 3.51 | 3.32 | 0.654 |
| Arizona | 3.83 | 3.85 | 0.964 | 1.95 | 1.72 | 0.419 | 7.42 | 7.12 | 0.688 | 3.46 | 3.56 | 0.848 |
| Arkansas | 3.17 | 2.76 | 0.157 | 1.91 | 1.64 | 0.322 | 6.27 | 5.72 | 0.374 | 2.81 | 2.41 | 0.255 |
| California | 3.99 | 3.68 | 0.217 | 2.15 | 1.95 | 0.400 | 6.58 | 7.16 | 0.206 | 3.75 | 3.27 | 0.140 |
| Colorado | 3.71 | 4.06 | 0.336 | 2.02 | 1.89 | 0.635 | 6.90a | 8.38 | 0.045 | 3.36 | 3.58 | 0.637 |
| Connecticut | 3.24 | 3.01 | 0.449 | 1.93 | 1.56 | 0.220 | 6.74 | 6.20 | 0.439 | 2.84 | 2.67 | 0.674 |
| Delaware | 3.20 | 2.75 | 0.109 | 1.92 | 1.57 | 0.182 | 6.69 | 6.00 | 0.311 | 2.78 | 2.34 | 0.218 |
| District of Columbia | 4.64a | 5.84 | 0.028 | 1.34 | 1.61 | 0.359 | 7.19 | 7.88 | 0.364 | 4.37b | 5.73 | 0.056 |
| Florida | 3.42a | 2.84 | 0.012 | 1.76b | 1.46 | 0.095 | 5.62 | 5.40 | 0.603 | 3.26a | 2.59 | 0.018 |
| Georgia | 2.89 | 2.65 | 0.450 | 1.40 | 1.36 | 0.875 | 5.32 | 4.92 | 0.514 | 2.67 | 2.43 | 0.542 |
| Hawaii | 3.50 | 3.71 | 0.567 | 2.07 | 1.59 | 0.216 | 7.44 | 7.55 | 0.898 | 3.03 | 3.35 | 0.487 |
| Idaho | 3.48 | 3.59 | 0.743 | 1.93 | 1.63 | 0.264 | 7.21 | 7.02 | 0.790 | 3.02 | 3.24 | 0.628 |
| Illinois | 3.34 | 3.44 | 0.647 | 1.57 | 1.59 | 0.888 | 7.57 | 7.70 | 0.780 | 2.80 | 2.93 | 0.647 |
| Indiana | 3.22 | 3.08 | 0.610 | 1.90 | 1.50 | 0.122 | 7.32 | 7.11 | 0.755 | 2.69 | 2.58 | 0.748 |
| Iowa | 3.42 | 3.57 | 0.599 | 2.13 | 1.80 | 0.241 | 7.67 | 8.30 | 0.410 | 2.81 | 2.94 | 0.729 |
| Kansas | 3.24 | 3.08 | 0.559 | 1.91 | 1.74 | 0.517 | 7.45 | 6.86 | 0.363 | 2.62 | 2.55 | 0.857 |
| Kentucky | 2.88 | 2.42 | 0.106 | 1.61 | 1.37 | 0.333 | 5.76 | 4.97 | 0.197 | 2.58 | 2.12 | 0.205 |
| Louisiana | 3.13 | 2.88 | 0.396 | 1.47 | 1.42 | 0.820 | 5.88 | 5.27 | 0.286 | 2.83 | 2.63 | 0.597 |
| Maine | 2.99 | 2.54 | 0.151 | 1.58 | 1.33 | 0.322 | 6.43b | 5.27 | 0.065 | 2.65 | 2.27 | 0.325 |
| Maryland | 3.34a | 2.40 | 0.005 | 1.52b | 1.14 | 0.091 | 5.77 | 4.98 | 0.221 | 3.16a | 2.12 | 0.018 |
| Massachusetts | 3.64 | 3.81 | 0.618 | 1.95 | 1.84 | 0.665 | 7.82 | 8.35 | 0.501 | 3.09 | 3.23 | 0.734 |
| Michigan | 3.66 | 3.61 | 0.839 | 1.73 | 1.49 | 0.185 | 6.05 | 6.04 | 0.977 | 3.49 | 3.46 | 0.915 |
| Minnesota | 3.82 | 3.57 | 0.434 | 1.96 | 1.72 | 0.387 | 7.46 | 7.74 | 0.713 | 3.42 | 3.09 | 0.404 |
| Mississippi | 3.15 | 2.78 | 0.202 | 1.41 | 1.29 | 0.612 | 5.93 | 5.48 | 0.436 | 2.88 | 2.48 | 0.287 |
| Missouri | 3.14b | 2.64 | 0.082 | 1.74 | 1.55 | 0.449 | 6.05 | 5.65 | 0.499 | 2.82 | 2.26 | 0.127 |
| Montana | 3.71 | 3.31 | 0.209 | 2.54b | 1.94 | 0.070 | 9.76a | 7.59 | 0.008 | 2.79 | 2.74 | 0.896 |
| Nebraska | 3.16a | 2.48 | 0.023 | 1.70 | 1.38 | 0.199 | 6.54b | 5.37 | 0.067 | 2.70 | 2.08 | 0.101 |
| Nevada | 3.71 | 3.75 | 0.919 | 2.01 | 1.79 | 0.506 | 7.77 | 7.83 | 0.950 | 3.30 | 3.35 | 0.929 |
| New Hampshire | 3.31 | 2.91 | 0.182 | 2.11a | 1.55 | 0.028 | 7.39a | 5.49 | 0.008 | 2.80 | 2.65 | 0.680 |
| New Jersey | 3.05 | 2.85 | 0.475 | 1.63 | 1.52 | 0.667 | 5.91 | 5.28 | 0.302 | 2.78 | 2.64 | 0.695 |
| New Mexico | 3.93 | 3.50 | 0.235 | 2.22 | 1.93 | 0.396 | 7.62 | 7.82 | 0.795 | 3.48 | 2.94 | 0.244 |
| New York | 3.62b | 3.20 | 0.068 | 2.05a | 1.51 | 0.004 | 7.48a | 6.10 | 0.004 | 3.12 | 2.90 | 0.430 |
| North Carolina | 3.15a | 2.36 | 0.005 | 1.53 | 1.31 | 0.319 | 5.77a | 4.63 | 0.050 | 2.91a | 2.10 | 0.019 |
| North Dakota | 3.64 | 4.08 | 0.197 | 1.85 | 1.65 | 0.460 | 7.91 | 8.64 | 0.308 | 2.86 | 3.34 | 0.293 |
| Ohio | 3.18 | 3.09 | 0.678 | 1.65 | 1.39 | 0.122 | 6.97a | 5.92 | 0.015 | 2.76 | 2.84 | 0.746 |
| Oklahoma | 3.11b | 2.65 | 0.093 | 1.67 | 1.32 | 0.143 | 6.69 | 5.80 | 0.138 | 2.63 | 2.24 | 0.248 |
| Oregon | 4.09 | 3.69 | 0.282 | 2.09 | 1.65 | 0.109 | 6.68 | 6.53 | 0.829 | 3.90 | 3.46 | 0.348 |
| Pennsylvania | 3.10 | 3.15 | 0.846 | 1.56 | 1.40 | 0.334 | 6.46 | 5.73 | 0.107 | 2.73 | 2.92 | 0.507 |
| Rhode Island | 3.94 | 3.53 | 0.246 | 1.87 | 1.68 | 0.474 | 7.32 | 7.12 | 0.792 | 3.54 | 3.06 | 0.286 |
| South Carolina | 3.97a | 3.16 | 0.041 | 1.41 | 1.39 | 0.942 | 5.42 | 4.83 | 0.306 | 4.03b | 3.09 | 0.060 |
| South Dakota | 3.69 | 3.68 | 0.958 | 2.35 | 2.13 | 0.530 | 7.96 | 7.23 | 0.352 | 3.08 | 3.23 | 0.737 |
| Tennessee | 3.21 | 2.79 | 0.166 | 1.54 | 1.38 | 0.495 | 5.71 | 5.31 | 0.498 | 3.01 | 2.54 | 0.224 |
| Texas | 3.14 | 2.91 | 0.264 | 1.82a | 1.39 | 0.025 | 6.03 | 5.95 | 0.848 | 2.79 | 2.55 | 0.386 |
| Utah | 2.94b | 2.48 | 0.082 | 1.88b | 1.43 | 0.088 | 5.44 | 5.06 | 0.543 | 2.50 | 2.05 | 0.186 |
| Vermont | 3.74b | 3.17 | 0.087 | 1.85 | 1.62 | 0.375 | 7.19 | 6.65 | 0.393 | 3.35 | 2.72 | 0.141 |
| Virginia | 3.34 | 3.04 | 0.267 | 1.81 | 1.53 | 0.220 | 7.87 | 6.84 | 0.107 | 2.74 | 2.56 | 0.601 |
| Washington | 3.06 | 3.37 | 0.313 | 1.83 | 1.76 | 0.809 | 6.85 | 6.78 | 0.911 | 2.59 | 3.00 | 0.297 |
| West Virginia | 3.17b | 2.63 | 0.072 | 1.74 | 1.46 | 0.277 | 6.12 | 6.31 | 0.759 | 2.88b | 2.19 | 0.071 |
| Wisconsin | 3.42a | 2.76 | 0.036 | 1.78b | 1.35 | 0.072 | 6.94a | 5.34 | 0.014 | 3.01 | 2.49 | 0.185 |
| Wyoming | 3.58 | 3.30 | 0.355 | 2.14b | 1.67 | 0.087 | 7.96a | 6.60 | 0.047 | 2.95 | 2.90 | 0.897 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006. See Section B.4.8 in Appendix B of the Results from the 2008 National Survey on Drug Use and Health: National Findings. NOTE: Dependence or abuse is based on definitions found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 2.82a | 2.67 | 0.012 | 4.52 | 4.69 | 0.202 | 7.80 | 7.68 | 0.487 | 1.74a | 1.55 | 0.005 |
| Northeast | 2.94a | 2.68 | 0.003 | 4.54 | 4.59 | 0.811 | 8.78a | 8.05 | 0.023 | 1.76a | 1.56 | 0.043 |
| Midwest | 2.68b | 2.55 | 0.082 | 4.41 | 4.39 | 0.910 | 7.53 | 7.27 | 0.241 | 1.61 | 1.50 | 0.197 |
| South | 2.70 | 2.58 | 0.105 | 4.21 | 4.35 | 0.423 | 7.15 | 7.14 | 0.965 | 1.74a | 1.57 | 0.044 |
| West | 3.06 | 2.94 | 0.233 | 5.07b | 5.54 | 0.085 | 8.28 | 8.60 | 0.332 | 1.85a | 1.58 | 0.018 |
| Alabama | 2.68b | 2.39 | 0.099 | 3.94 | 4.03 | 0.866 | 6.81 | 6.53 | 0.657 | 1.81b | 1.46 | 0.083 |
| Alaska | 2.79 | 2.71 | 0.685 | 4.48 | 5.45 | 0.160 | 7.19 | 7.04 | 0.840 | 1.68 | 1.49 | 0.353 |
| Arizona | 3.06 | 3.09 | 0.875 | 4.87b | 6.05 | 0.079 | 8.15 | 8.10 | 0.945 | 1.96 | 1.85 | 0.685 |
| Arkansas | 2.63 | 2.56 | 0.679 | 4.25 | 4.42 | 0.764 | 6.52 | 6.87 | 0.592 | 1.78 | 1.59 | 0.387 |
| California | 3.15 | 3.02 | 0.381 | 5.11 | 5.76 | 0.125 | 8.20 | 8.91 | 0.159 | 1.92a | 1.55 | 0.025 |
| Colorado | 3.19 | 2.98 | 0.287 | 6.25 | 5.45 | 0.236 | 9.38 | 10.11 | 0.381 | 1.76 | 1.45 | 0.158 |
| Connecticut | 2.91 | 2.70 | 0.325 | 4.42 | 4.56 | 0.816 | 9.05 | 7.87 | 0.142 | 1.72 | 1.63 | 0.721 |
| Delaware | 2.77 | 2.76 | 0.969 | 4.89 | 4.59 | 0.606 | 8.33 | 8.19 | 0.861 | 1.60 | 1.64 | 0.879 |
| District of Columbia | 3.85 | 3.42 | 0.160 | 3.76 | 4.54 | 0.204 | 7.10 | 6.84 | 0.722 | 3.15 | 2.56 | 0.116 |
| Florida | 2.71 | 2.59 | 0.400 | 4.33 | 4.34 | 0.987 | 7.39 | 8.13 | 0.118 | 1.83 | 1.57 | 0.106 |
| Georgia | 2.22 | 2.39 | 0.305 | 3.86 | 4.08 | 0.674 | 5.80 | 6.32 | 0.411 | 1.37 | 1.46 | 0.650 |
| Hawaii | 2.57a | 2.08 | 0.018 | 4.07 | 4.40 | 0.578 | 7.40a | 5.86 | 0.042 | 1.65b | 1.25 | 0.087 |
| Idaho | 3.14a | 2.66 | 0.008 | 4.56 | 4.47 | 0.878 | 8.30 | 7.27 | 0.125 | 2.00a | 1.55 | 0.037 |
| Illinois | 2.67 | 2.58 | 0.434 | 4.32 | 4.10 | 0.564 | 7.99 | 8.07 | 0.881 | 1.50 | 1.42 | 0.560 |
| Indiana | 2.98a | 2.44 | 0.004 | 4.21 | 3.80 | 0.461 | 8.04 | 6.99 | 0.113 | 1.94a | 1.45 | 0.029 |
| Iowa | 2.09 | 2.23 | 0.419 | 4.85 | 4.36 | 0.394 | 5.48 | 6.24 | 0.239 | 1.14 | 1.25 | 0.608 |
| Kansas | 2.52 | 2.57 | 0.766 | 3.93 | 4.51 | 0.288 | 7.41 | 7.28 | 0.838 | 1.40 | 1.42 | 0.895 |
| Kentucky | 2.68 | 2.53 | 0.385 | 4.71 | 4.75 | 0.942 | 7.83 | 7.10 | 0.311 | 1.62 | 1.51 | 0.598 |
| Louisiana | 2.70b | 2.39 | 0.095 | 3.73 | 3.91 | 0.693 | 7.29a | 5.94 | 0.042 | 1.68 | 1.53 | 0.486 |
| Maine | 2.60a | 2.22 | 0.026 | 3.99 | 3.71 | 0.579 | 9.75 | 8.47 | 0.145 | 1.43 | 1.16 | 0.141 |
| Maryland | 2.95b | 2.61 | 0.090 | 3.93 | 4.19 | 0.629 | 8.45 | 8.00 | 0.571 | 1.90b | 1.52 | 0.088 |
| Massachusetts | 3.31a | 2.76 | 0.012 | 5.27 | 6.15 | 0.180 | 9.24 | 7.95 | 0.103 | 2.04a | 1.47 | 0.024 |
| Michigan | 2.75b | 2.51 | 0.077 | 4.40 | 4.81 | 0.258 | 7.62 | 6.97 | 0.127 | 1.70 | 1.44 | 0.108 |
| Minnesota | 2.49 | 2.48 | 0.927 | 4.15 | 4.82 | 0.277 | 7.37 | 7.53 | 0.801 | 1.45 | 1.34 | 0.543 |
| Mississippi | 2.98 | 2.77 | 0.275 | 3.97 | 3.83 | 0.780 | 7.45 | 7.38 | 0.918 | 2.01 | 1.77 | 0.295 |
| Missouri | 2.67 | 2.80 | 0.484 | 4.18 | 4.67 | 0.356 | 7.87 | 8.53 | 0.373 | 1.61 | 1.59 | 0.920 |
| Montana | 2.70 | 2.76 | 0.758 | 4.97 | 5.74 | 0.237 | 7.99 | 8.24 | 0.715 | 1.52 | 1.48 | 0.859 |
| Nebraska | 2.24 | 2.28 | 0.775 | 3.90 | 3.89 | 0.989 | 5.64 | 5.63 | 0.998 | 1.37 | 1.46 | 0.669 |
| Nevada | 2.90 | 2.66 | 0.265 | 4.37 | 4.70 | 0.613 | 7.04 | 6.95 | 0.906 | 2.08 | 1.72 | 0.167 |
| New Hampshire | 3.41a | 2.89 | 0.025 | 6.49 | 6.36 | 0.845 | 10.58b | 9.14 | 0.094 | 1.92 | 1.49 | 0.127 |
| New Jersey | 2.59 | 2.61 | 0.884 | 3.93 | 4.80 | 0.151 | 7.75 | 8.22 | 0.515 | 1.63 | 1.50 | 0.523 |
| New Mexico | 3.17 | 3.11 | 0.778 | 6.80 | 7.07 | 0.746 | 8.31 | 8.89 | 0.499 | 1.76 | 1.57 | 0.461 |
| New York | 2.99a | 2.68 | 0.024 | 4.49 | 4.09 | 0.260 | 8.97b | 8.01 | 0.093 | 1.75 | 1.58 | 0.273 |
| North Carolina | 2.76 | 2.69 | 0.680 | 4.10 | 4.86 | 0.183 | 7.75 | 7.79 | 0.953 | 1.77 | 1.58 | 0.343 |
| North Dakota | 2.03 | 2.03 | 0.992 | 3.88 | 3.87 | 0.987 | 5.24 | 4.97 | 0.638 | 1.06 | 1.16 | 0.635 |
| Ohio | 2.85 | 2.78 | 0.638 | 4.57 | 4.42 | 0.663 | 8.03 | 7.49 | 0.264 | 1.79 | 1.81 | 0.922 |
| Oklahoma | 3.09a | 2.52 | 0.006 | 4.83 | 4.13 | 0.322 | 8.06a | 6.47 | 0.020 | 1.95 | 1.59 | 0.146 |
| Oregon | 3.18 | 3.05 | 0.559 | 5.53 | 5.65 | 0.840 | 9.14 | 9.24 | 0.911 | 1.95 | 1.75 | 0.440 |
| Pennsylvania | 2.83 | 2.67 | 0.279 | 4.50 | 4.27 | 0.564 | 8.24 | 7.70 | 0.291 | 1.75 | 1.65 | 0.589 |
| Rhode Island | 3.42a | 2.86 | 0.015 | 5.14 | 4.55 | 0.338 | 10.35a | 8.48 | 0.030 | 1.91 | 1.60 | 0.262 |
| South Carolina | 2.84 | 2.62 | 0.267 | 4.02 | 4.73 | 0.195 | 7.03 | 7.12 | 0.890 | 2.01b | 1.61 | 0.092 |
| South Dakota | 2.38 | 2.23 | 0.422 | 4.93 | 4.54 | 0.545 | 5.91 | 5.56 | 0.570 | 1.42 | 1.35 | 0.772 |
| Tennessee | 2.60b | 2.90 | 0.091 | 4.05 | 4.65 | 0.258 | 6.52a | 8.66 | 0.003 | 1.81 | 1.76 | 0.828 |
| Texas | 2.62 | 2.54 | 0.545 | 4.35 | 4.35 | 0.999 | 6.57 | 6.24 | 0.450 | 1.62 | 1.57 | 0.783 |
| Utah | 2.97 | 2.78 | 0.339 | 4.73 | 4.51 | 0.689 | 7.24 | 6.32 | 0.189 | 1.62 | 1.64 | 0.907 |
| Vermont | 3.17 | 3.35 | 0.460 | 4.52 | 5.31 | 0.146 | 10.97 | 11.86 | 0.346 | 1.68 | 1.64 | 0.871 |
| Virginia | 2.86b | 2.54 | 0.074 | 4.65 | 4.45 | 0.715 | 8.06 | 7.33 | 0.327 | 1.74 | 1.47 | 0.222 |
| Washington | 2.72 | 2.72 | 0.998 | 4.25 | 4.70 | 0.420 | 9.03 | 8.76 | 0.740 | 1.51 | 1.49 | 0.909 |
| West Virginia | 2.70 | 2.63 | 0.742 | 3.47 | 3.70 | 0.681 | 8.79 | 9.25 | 0.539 | 1.70 | 1.50 | 0.429 |
| Wisconsin | 2.70b | 2.40 | 0.091 | 5.16 | 4.36 | 0.204 | 6.96 | 6.12 | 0.166 | 1.65 | 1.51 | 0.521 |
| Wyoming | 2.31 | 2.19 | 0.506 | 4.99 | 4.19 | 0.200 | 6.02 | 5.76 | 0.674 | 1.30 | 1.30 | 0.993 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006. See Section B.4.8 in Appendix B of the Results from the 2008 National Survey on Drug Use and Health: National Findings. NOTE: Dependence is based on the definition found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 1.93b | 1.84 | 0.084 | 2.44 | 2.54 | 0.322 | 5.43 | 5.36 | 0.630 | 1.25b | 1.14 | 0.051 |
| Northeast | 2.13a | 1.91 | 0.009 | 2.51 | 2.46 | 0.749 | 6.41a | 5.67 | 0.006 | 1.36 | 1.21 | 0.129 |
| Midwest | 1.85 | 1.76 | 0.160 | 2.37 | 2.40 | 0.825 | 5.14 | 5.02 | 0.491 | 1.21 | 1.11 | 0.217 |
| South | 1.82 | 1.74 | 0.254 | 2.27 | 2.37 | 0.415 | 4.93 | 4.93 | 0.966 | 1.22 | 1.11 | 0.155 |
| West | 2.02 | 2.03 | 0.888 | 2.70 | 2.98 | 0.190 | 5.70 | 6.10 | 0.186 | 1.26 | 1.17 | 0.425 |
| Alabama | 1.78 | 1.61 | 0.255 | 2.11 | 2.15 | 0.911 | 4.85 | 4.65 | 0.699 | 1.20 | 1.01 | 0.255 |
| Alaska | 1.93 | 1.88 | 0.733 | 2.61 | 2.88 | 0.531 | 4.85 | 4.74 | 0.848 | 1.26 | 1.18 | 0.643 |
| Arizona | 1.94 | 2.20 | 0.172 | 2.63 | 3.50 | 0.126 | 5.63 | 6.15 | 0.502 | 1.23 | 1.35 | 0.530 |
| Arkansas | 1.86 | 1.77 | 0.526 | 2.36 | 2.48 | 0.771 | 4.45 | 4.60 | 0.792 | 1.37 | 1.20 | 0.313 |
| California | 2.05 | 2.09 | 0.793 | 2.62 | 3.04 | 0.170 | 5.76 | 6.42 | 0.147 | 1.27 | 1.15 | 0.408 |
| Colorado | 1.84 | 1.82 | 0.917 | 3.49 | 2.83 | 0.192 | 5.04 | 5.86 | 0.234 | 1.09 | 1.00 | 0.606 |
| Connecticut | 2.02 | 1.98 | 0.779 | 2.40 | 2.55 | 0.729 | 6.01 | 5.66 | 0.547 | 1.32 | 1.31 | 0.943 |
| Delaware | 2.09 | 2.02 | 0.662 | 2.90 | 2.65 | 0.538 | 6.72 | 6.33 | 0.600 | 1.24 | 1.22 | 0.947 |
| District of Columbia | 2.55 | 2.54 | 0.940 | 2.09 | 2.73 | 0.170 | 4.70 | 4.74 | 0.950 | 2.12 | 2.02 | 0.735 |
| Florida | 1.66 | 1.64 | 0.834 | 2.21 | 2.29 | 0.738 | 4.92 | 5.33 | 0.283 | 1.11 | 1.01 | 0.386 |
| Georgia | 1.45 | 1.53 | 0.558 | 2.11 | 2.23 | 0.746 | 3.48 | 4.06 | 0.264 | 1.00 | 0.98 | 0.876 |
| Hawaii | 1.55 | 1.39 | 0.378 | 2.04 | 2.40 | 0.419 | 4.56 | 3.95 | 0.310 | 1.02 | 0.88 | 0.508 |
| Idaho | 2.18a | 1.83 | 0.019 | 2.80 | 2.61 | 0.623 | 5.80 | 5.00 | 0.175 | 1.44b | 1.13 | 0.089 |
| Illinois | 1.87 | 1.80 | 0.540 | 2.20 | 2.44 | 0.318 | 5.67 | 5.58 | 0.810 | 1.14 | 1.06 | 0.525 |
| Indiana | 2.08a | 1.67 | 0.007 | 2.45 | 2.24 | 0.600 | 5.66b | 4.69 | 0.086 | 1.41a | 1.06 | 0.044 |
| Iowa | 1.41 | 1.50 | 0.558 | 2.84 | 2.36 | 0.243 | 3.42b | 4.45 | 0.057 | 0.87 | 0.86 | 0.947 |
| Kansas | 1.63 | 1.68 | 0.749 | 2.12 | 2.49 | 0.341 | 4.46 | 4.66 | 0.719 | 1.03 | 1.01 | 0.906 |
| Kentucky | 1.99 | 1.87 | 0.432 | 2.36 | 2.45 | 0.804 | 6.13 | 5.84 | 0.674 | 1.29 | 1.15 | 0.400 |
| Louisiana | 1.99a | 1.69 | 0.044 | 2.28 | 2.25 | 0.936 | 5.25 | 4.48 | 0.151 | 1.33 | 1.09 | 0.175 |
| Maine | 2.05a | 1.57 | 0.002 | 2.36 | 2.10 | 0.492 | 7.69a | 5.77 | 0.006 | 1.21b | 0.91 | 0.062 |
| Maryland | 2.12 | 1.90 | 0.171 | 2.18 | 2.27 | 0.806 | 6.04 | 5.91 | 0.856 | 1.45 | 1.18 | 0.142 |
| Massachusetts | 2.38b | 2.07 | 0.096 | 2.98 | 3.22 | 0.603 | 6.87 | 6.22 | 0.344 | 1.52 | 1.21 | 0.158 |
| Michigan | 1.88b | 1.69 | 0.080 | 2.33 | 2.50 | 0.522 | 5.46 | 4.98 | 0.188 | 1.21 | 1.02 | 0.131 |
| Minnesota | 1.51 | 1.54 | 0.788 | 2.17 | 2.50 | 0.397 | 4.09 | 4.47 | 0.493 | 0.98 | 0.93 | 0.720 |
| Mississippi | 2.03 | 1.96 | 0.632 | 2.10 | 2.24 | 0.705 | 5.10 | 5.25 | 0.791 | 1.44 | 1.31 | 0.397 |
| Missouri | 1.88 | 1.87 | 0.943 | 2.36 | 2.41 | 0.907 | 5.57 | 5.66 | 0.870 | 1.20 | 1.16 | 0.799 |
| Montana | 1.92 | 2.00 | 0.613 | 2.52 | 2.91 | 0.388 | 5.51 | 6.04 | 0.337 | 1.23 | 1.20 | 0.870 |
| Nebraska | 1.60 | 1.60 | 0.956 | 2.39 | 2.01 | 0.336 | 3.79 | 3.95 | 0.729 | 1.08 | 1.11 | 0.901 |
| Nevada | 1.87 | 1.99 | 0.463 | 2.60 | 2.79 | 0.680 | 4.86 | 5.45 | 0.364 | 1.31 | 1.34 | 0.886 |
| New Hampshire | 2.35a | 1.95 | 0.036 | 3.38 | 3.09 | 0.563 | 7.28 | 6.48 | 0.263 | 1.45 | 1.10 | 0.108 |
| New Jersey | 1.79 | 1.68 | 0.443 | 2.04 | 2.30 | 0.507 | 5.52 | 5.29 | 0.717 | 1.18 | 1.05 | 0.424 |
| New Mexico | 1.98 | 1.97 | 0.941 | 3.53 | 3.56 | 0.954 | 5.80 | 6.11 | 0.681 | 1.08 | 1.02 | 0.776 |
| New York | 2.22b | 1.99 | 0.088 | 2.44 | 2.27 | 0.503 | 6.59a | 5.68 | 0.050 | 1.42 | 1.32 | 0.512 |
| North Carolina | 1.95 | 1.85 | 0.507 | 2.30 | 2.61 | 0.445 | 5.65 | 5.55 | 0.868 | 1.29 | 1.14 | 0.391 |
| North Dakota | 1.47 | 1.43 | 0.824 | 2.28 | 2.01 | 0.524 | 3.57 | 3.78 | 0.682 | 0.88 | 0.84 | 0.818 |
| Ohio | 2.04 | 2.01 | 0.814 | 2.40 | 2.47 | 0.804 | 5.64 | 5.50 | 0.725 | 1.41 | 1.39 | 0.866 |
| Oklahoma | 1.99 | 1.77 | 0.205 | 2.50 | 2.19 | 0.488 | 5.10 | 4.68 | 0.439 | 1.35 | 1.19 | 0.418 |
| Oregon | 2.32 | 2.22 | 0.622 | 2.99 | 2.87 | 0.781 | 6.82 | 6.72 | 0.884 | 1.53 | 1.42 | 0.660 |
| Pennsylvania | 2.08b | 1.82 | 0.054 | 2.59 | 2.37 | 0.443 | 6.19a | 5.34 | 0.049 | 1.34 | 1.16 | 0.264 |
| Rhode Island | 2.42 | 2.14 | 0.190 | 3.18 | 2.77 | 0.369 | 7.03 | 5.85 | 0.132 | 1.47 | 1.36 | 0.657 |
| South Carolina | 1.76 | 1.62 | 0.296 | 1.93 | 2.24 | 0.403 | 4.54 | 4.29 | 0.624 | 1.28 | 1.09 | 0.251 |
| South Dakota | 1.61 | 1.64 | 0.826 | 2.80 | 2.64 | 0.711 | 3.88 | 4.21 | 0.533 | 1.04 | 1.06 | 0.927 |
| Tennessee | 1.75a | 2.13 | 0.017 | 2.05 | 2.48 | 0.255 | 4.48a | 6.51 | 0.001 | 1.28 | 1.38 | 0.582 |
| Texas | 1.77 | 1.65 | 0.284 | 2.38 | 2.41 | 0.917 | 4.60b | 4.01 | 0.085 | 1.14 | 1.10 | 0.711 |
| Utah | 1.99 | 1.81 | 0.253 | 2.45 | 2.33 | 0.760 | 4.79 | 4.34 | 0.416 | 1.22 | 1.13 | 0.585 |
| Vermont | 2.28 | 2.29 | 0.972 | 2.51 | 2.85 | 0.428 | 7.82 | 8.24 | 0.602 | 1.30 | 1.18 | 0.564 |
| Virginia | 1.94 | 1.77 | 0.245 | 2.50 | 2.52 | 0.952 | 5.31 | 5.17 | 0.790 | 1.29 | 1.09 | 0.261 |
| Washington | 2.03 | 1.95 | 0.617 | 2.57 | 2.75 | 0.668 | 6.52 | 6.10 | 0.535 | 1.23 | 1.16 | 0.722 |
| West Virginia | 2.18 | 2.09 | 0.625 | 2.13 | 2.45 | 0.443 | 7.50 | 7.73 | 0.754 | 1.38 | 1.18 | 0.348 |
| Wisconsin | 1.84 | 1.71 | 0.460 | 2.71 | 2.15 | 0.174 | 4.54 | 4.25 | 0.548 | 1.26 | 1.22 | 0.841 |
| Wyoming | 1.55 | 1.44 | 0.466 | 2.68 | 2.01 | 0.119 | 3.76 | 3.72 | 0.948 | 1.01 | 0.95 | 0.758 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006. See Section B.4.8 in Appendix B of the Results from the 2008 National Survey on Drug Use and Health: National Findings. NOTE: Dependence or abuse is based on definitions found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 8.87a | 8.38 | 0.000 | 7.20 | 7.11 | 0.562 | 20.04a | 19.26 | 0.003 | 7.14a | 6.64 | 0.001 |
| Northeast | 9.07 | 8.76 | 0.133 | 7.38 | 7.31 | 0.799 | 21.50a | 20.06 | 0.004 | 7.18 | 7.04 | 0.597 |
| Midwest | 8.98a | 8.51 | 0.005 | 7.15b | 6.76 | 0.067 | 20.57a | 19.70 | 0.036 | 7.19b | 6.79 | 0.064 |
| South | 8.31a | 7.56 | 0.000 | 6.55 | 6.43 | 0.564 | 18.66a | 17.63 | 0.009 | 6.76a | 5.96 | 0.000 |
| West | 9.51 | 9.26 | 0.288 | 8.10 | 8.32 | 0.534 | 20.53 | 20.79 | 0.639 | 7.69 | 7.30 | 0.198 |
| Alabama | 8.29a | 6.67 | 0.000 | 6.64 | 5.95 | 0.331 | 17.65 | 15.87 | 0.126 | 6.89a | 5.15 | 0.001 |
| Alaska | 9.14 | 9.26 | 0.817 | 7.16 | 7.70 | 0.521 | 19.22 | 19.18 | 0.972 | 7.43 | 7.55 | 0.869 |
| Arizona | 9.38b | 10.33 | 0.090 | 7.55 | 8.52 | 0.266 | 21.64 | 21.28 | 0.807 | 7.55b | 8.70 | 0.093 |
| Arkansas | 7.86a | 6.85 | 0.020 | 6.65 | 6.02 | 0.388 | 17.52 | 15.68 | 0.143 | 6.42b | 5.46 | 0.067 |
| California | 9.84b | 9.17 | 0.061 | 8.30 | 8.79 | 0.390 | 20.31 | 20.92 | 0.475 | 8.07a | 7.02 | 0.026 |
| Colorado | 10.21 | 9.92 | 0.600 | 9.45 | 8.14 | 0.127 | 23.73 | 23.60 | 0.920 | 7.97 | 7.76 | 0.759 |
| Connecticut | 9.36 | 8.99 | 0.505 | 7.18 | 7.30 | 0.877 | 22.66 | 21.22 | 0.291 | 7.47 | 7.22 | 0.722 |
| Delaware | 8.91b | 7.92 | 0.051 | 7.89b | 6.59 | 0.092 | 22.02a | 19.25 | 0.037 | 6.87 | 6.18 | 0.275 |
| District of Columbia | 12.03 | 12.68 | 0.385 | 5.74 | 6.71 | 0.222 | 20.29 | 21.30 | 0.460 | 10.77 | 11.22 | 0.630 |
| Florida | 8.32a | 7.54 | 0.010 | 6.93 | 6.63 | 0.509 | 17.63 | 17.73 | 0.896 | 7.07a | 6.08 | 0.010 |
| Georgia | 7.49 | 6.90 | 0.164 | 5.86 | 6.33 | 0.448 | 18.31 | 17.06 | 0.340 | 5.83 | 5.17 | 0.212 |
| Hawaii | 8.81 | 8.63 | 0.771 | 8.17 | 7.74 | 0.677 | 20.38 | 19.99 | 0.790 | 7.04 | 6.97 | 0.925 |
| Idaho | 9.66 | 9.19 | 0.354 | 8.02 | 7.34 | 0.390 | 21.40 | 19.77 | 0.197 | 7.75 | 7.49 | 0.679 |
| Illinois | 8.75 | 8.38 | 0.235 | 6.71 | 6.42 | 0.531 | 20.96 | 21.04 | 0.922 | 6.81 | 6.42 | 0.323 |
| Indiana | 8.85 | 8.33 | 0.260 | 6.56 | 5.85 | 0.308 | 19.97 | 19.33 | 0.611 | 7.22 | 6.70 | 0.365 |
| Iowa | 9.17 | 8.67 | 0.298 | 8.06 | 7.17 | 0.252 | 21.82 | 21.24 | 0.650 | 7.02 | 6.59 | 0.470 |
| Kansas | 9.05 | 8.39 | 0.122 | 7.50 | 7.17 | 0.647 | 20.76 | 19.50 | 0.319 | 7.02 | 6.46 | 0.286 |
| Kentucky | 7.66a | 6.45 | 0.005 | 6.58 | 6.22 | 0.610 | 18.23a | 15.52 | 0.031 | 6.10a | 4.98 | 0.030 |
| Louisiana | 8.24b | 7.46 | 0.073 | 5.61 | 5.64 | 0.957 | 19.00a | 16.66 | 0.047 | 6.53 | 5.97 | 0.303 |
| Maine | 7.96a | 6.78 | 0.014 | 6.36 | 5.93 | 0.506 | 20.84b | 18.38 | 0.054 | 6.30b | 5.20 | 0.060 |
| Maryland | 8.17a | 6.78 | 0.003 | 5.64 | 5.62 | 0.976 | 18.57 | 17.53 | 0.425 | 6.73a | 5.12 | 0.005 |
| Massachusetts | 10.75 | 10.22 | 0.356 | 8.46 | 9.01 | 0.507 | 25.05 | 23.38 | 0.244 | 8.48 | 8.05 | 0.543 |
| Michigan | 9.30a | 8.60 | 0.038 | 7.21 | 7.15 | 0.893 | 19.72 | 18.50 | 0.116 | 7.78 | 7.08 | 0.103 |
| Minnesota | 9.05 | 9.12 | 0.879 | 7.04 | 7.61 | 0.471 | 20.70 | 21.30 | 0.636 | 7.29 | 7.24 | 0.939 |
| Mississippi | 7.82b | 7.10 | 0.080 | 6.11 | 5.74 | 0.578 | 17.18 | 16.38 | 0.478 | 6.32 | 5.56 | 0.145 |
| Missouri | 7.98 | 7.33 | 0.153 | 6.84 | 6.99 | 0.826 | 18.48 | 18.25 | 0.844 | 6.35 | 5.50 | 0.131 |
| Montana | 10.63 | 10.31 | 0.596 | 9.95 | 9.94 | 0.993 | 25.89b | 23.47 | 0.092 | 8.05 | 8.09 | 0.952 |
| Nebraska | 9.08a | 8.04 | 0.027 | 6.51 | 6.23 | 0.694 | 20.87 | 19.23 | 0.184 | 7.13 | 6.19 | 0.105 |
| Nevada | 9.85 | 10.49 | 0.315 | 7.89 | 7.82 | 0.941 | 21.29 | 20.89 | 0.787 | 8.34 | 9.16 | 0.295 |
| New Hampshire | 9.79a | 8.70 | 0.035 | 9.86 | 8.94 | 0.291 | 24.04a | 21.26 | 0.036 | 7.53 | 6.67 | 0.177 |
| New Jersey | 7.79 | 8.21 | 0.371 | 6.08b | 7.54 | 0.075 | 18.61 | 19.46 | 0.492 | 6.33 | 6.59 | 0.657 |
| New Mexico | 9.48 | 9.17 | 0.583 | 9.77 | 9.33 | 0.658 | 20.04 | 20.85 | 0.543 | 7.52 | 7.07 | 0.537 |
| New York | 9.14a | 8.39 | 0.028 | 7.76a | 6.77 | 0.043 | 21.45a | 18.95 | 0.003 | 7.13 | 6.74 | 0.362 |
| North Carolina | 7.82b | 7.03 | 0.053 | 5.89 | 6.67 | 0.269 | 17.94 | 17.44 | 0.639 | 6.37a | 5.33 | 0.045 |
| North Dakota | 9.38 | 9.44 | 0.906 | 6.69 | 6.78 | 0.909 | 21.62 | 22.30 | 0.591 | 6.87 | 6.87 | 0.999 |
| Ohio | 9.08 | 8.86 | 0.503 | 7.37 | 6.71 | 0.127 | 21.43a | 19.70 | 0.027 | 7.27 | 7.34 | 0.861 |
| Oklahoma | 9.54 | 8.89 | 0.262 | 7.38 | 6.49 | 0.284 | 20.48b | 17.96 | 0.064 | 7.80 | 7.54 | 0.713 |
| Oregon | 9.67 | 9.77 | 0.865 | 8.79 | 8.02 | 0.294 | 20.54 | 20.56 | 0.990 | 8.03 | 8.22 | 0.783 |
| Pennsylvania | 8.74 | 8.87 | 0.708 | 7.02 | 6.98 | 0.945 | 20.58 | 19.56 | 0.243 | 6.99 | 7.31 | 0.459 |
| Rhode Island | 10.78 | 10.68 | 0.868 | 7.59 | 7.35 | 0.769 | 23.07 | 22.99 | 0.955 | 8.84 | 8.72 | 0.873 |
| South Carolina | 9.45a | 8.06 | 0.009 | 6.33 | 6.82 | 0.494 | 18.62 | 17.41 | 0.305 | 8.31a | 6.63 | 0.013 |
| South Dakota | 10.25 | 9.97 | 0.637 | 8.74 | 8.44 | 0.740 | 22.38 | 20.31 | 0.147 | 8.22 | 8.30 | 0.920 |
| Tennessee | 8.06 | 8.21 | 0.752 | 6.05 | 6.84 | 0.218 | 18.33 | 19.06 | 0.565 | 6.69 | 6.61 | 0.892 |
| Texas | 8.26 | 7.95 | 0.337 | 6.92 | 6.50 | 0.377 | 18.49 | 17.51 | 0.181 | 6.50 | 6.34 | 0.707 |
| Utah | 7.43a | 6.28 | 0.008 | 6.17 | 5.63 | 0.443 | 16.33 | 14.24 | 0.109 | 5.45b | 4.50 | 0.070 |
| Vermont | 9.87 | 9.96 | 0.878 | 8.02 | 9.00 | 0.245 | 25.59 | 25.24 | 0.798 | 7.36 | 7.37 | 0.995 |
| Virginia | 9.63a | 8.20 | 0.003 | 7.65 | 6.96 | 0.335 | 23.09b | 20.61 | 0.061 | 7.52a | 6.19 | 0.022 |
| Washington | 7.90b | 8.70 | 0.084 | 6.42 | 7.17 | 0.333 | 19.63 | 21.09 | 0.235 | 6.16 | 6.82 | 0.234 |
| West Virginia | 7.69 | 7.12 | 0.195 | 6.16 | 6.09 | 0.920 | 18.90 | 19.30 | 0.733 | 6.16 | 5.36 | 0.133 |
| Wisconsin | 9.50b | 8.61 | 0.077 | 8.21a | 6.48 | 0.029 | 20.88a | 18.13 | 0.029 | 7.67 | 7.22 | 0.462 |
| Wyoming | 8.77 | 8.34 | 0.379 | 8.53a | 6.89 | 0.042 | 19.83 | 18.96 | 0.486 | 6.76 | 6.59 | 0.770 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Needing But Not Receiving Treatment refers to respondents classified as needing treatment for illicit drugs, but not receiving treatment for an illicit drug problem at a specialty facility (i.e., drug and alcohol rehabilitation facilities [inpatient or outpatient], hospitals [inpatient only], and mental health centers). Illicit Drugs include marijuana/hashish, cocaine (including crack), inhalants, hallucinogens, heroin, or prescription-type psychotherapeutics used nonmedically, including data from original methamphetamine questions but not including new methamphetamine items added in 2005 and 2006. See Section B.4.8 in Appendix B of the Results from the 2008 National Survey on Drug Use and Health: National Findings. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 2.53a | 2.40 | 0.016 | 4.21 | 4.34 | 0.319 | 7.14 | 7.05 | 0.570 | 1.52a | 1.34 | 0.006 |
| Northeast | 2.57a | 2.37 | 0.018 | 4.23 | 4.22 | 0.968 | 7.93a | 7.33 | 0.041 | 1.47 | 1.33 | 0.129 |
| Midwest | 2.39a | 2.24 | 0.024 | 4.09 | 4.02 | 0.672 | 6.91 | 6.64 | 0.190 | 1.39b | 1.25 | 0.085 |
| South | 2.41 | 2.31 | 0.146 | 3.94 | 4.06 | 0.418 | 6.57 | 6.54 | 0.888 | 1.51b | 1.36 | 0.069 |
| West | 2.82 | 2.69 | 0.203 | 4.74 | 5.14 | 0.131 | 7.61 | 7.98 | 0.256 | 1.70a | 1.42 | 0.015 |
| Alabama | 2.37 | 2.14 | 0.148 | 3.67 | 3.74 | 0.875 | 6.44 | 6.34 | 0.859 | 1.50b | 1.20 | 0.099 |
| Alaska | 2.74 | 2.78 | 0.863 | 4.19b | 5.22 | 0.071 | 6.49 | 6.62 | 0.845 | 1.79 | 1.69 | 0.722 |
| Arizona | 2.72 | 2.78 | 0.764 | 4.46b | 5.70 | 0.060 | 7.67 | 7.50 | 0.825 | 1.65 | 1.60 | 0.806 |
| Arkansas | 2.28 | 2.21 | 0.681 | 4.02 | 4.02 | 0.997 | 6.04 | 6.47 | 0.508 | 1.44 | 1.27 | 0.355 |
| California | 2.95 | 2.79 | 0.324 | 4.87 | 5.31 | 0.266 | 7.52 | 8.34 | 0.106 | 1.82a | 1.42 | 0.022 |
| Colorado | 2.88 | 2.58 | 0.133 | 5.72 | 5.05 | 0.291 | 8.95 | 9.26 | 0.705 | 1.50b | 1.13 | 0.070 |
| Connecticut | 2.46 | 2.28 | 0.367 | 4.09 | 3.98 | 0.818 | 7.90 | 6.96 | 0.197 | 1.38 | 1.31 | 0.764 |
| Delaware | 2.40 | 2.34 | 0.744 | 4.14 | 3.84 | 0.530 | 7.23 | 7.04 | 0.787 | 1.40 | 1.38 | 0.905 |
| District of Columbia | 2.80 | 2.74 | 0.794 | 3.54 | 4.32 | 0.154 | 6.43 | 6.14 | 0.661 | 1.94 | 1.84 | 0.727 |
| Florida | 2.47 | 2.39 | 0.574 | 4.05 | 4.16 | 0.753 | 6.76 | 7.48 | 0.126 | 1.65 | 1.42 | 0.180 |
| Georgia | 2.04 | 2.14 | 0.560 | 3.57 | 3.76 | 0.686 | 5.20 | 5.31 | 0.841 | 1.29 | 1.35 | 0.715 |
| Hawaii | 2.39a | 1.96 | 0.041 | 3.78 | 4.20 | 0.474 | 7.01b | 5.69 | 0.053 | 1.50 | 1.14 | 0.122 |
| Idaho | 2.85a | 2.41 | 0.021 | 4.39 | 4.33 | 0.893 | 7.70 | 6.65 | 0.106 | 1.75b | 1.36 | 0.067 |
| Illinois | 2.44 | 2.27 | 0.167 | 4.04 | 3.85 | 0.538 | 7.54 | 7.66 | 0.790 | 1.31 | 1.12 | 0.170 |
| Indiana | 2.66a | 2.21 | 0.016 | 3.99 | 3.35 | 0.190 | 7.43 | 6.50 | 0.120 | 1.66b | 1.29 | 0.095 |
| Iowa | 2.00 | 1.96 | 0.814 | 4.60 | 4.04 | 0.301 | 5.28 | 5.72 | 0.459 | 1.09 | 1.03 | 0.719 |
| Kansas | 2.12 | 2.10 | 0.891 | 3.49 | 4.10 | 0.170 | 6.46 | 6.02 | 0.459 | 1.11 | 1.10 | 0.932 |
| Kentucky | 2.45 | 2.25 | 0.274 | 4.27 | 4.41 | 0.766 | 7.23 | 6.60 | 0.367 | 1.47 | 1.27 | 0.326 |
| Louisiana | 2.46 | 2.25 | 0.276 | 3.50 | 3.66 | 0.698 | 6.68a | 5.46 | 0.050 | 1.51 | 1.47 | 0.847 |
| Maine | 2.38b | 2.06 | 0.095 | 3.66 | 3.25 | 0.376 | 8.71 | 7.88 | 0.334 | 1.35 | 1.10 | 0.214 |
| Maryland | 2.55 | 2.29 | 0.151 | 3.77 | 3.96 | 0.705 | 7.81 | 7.33 | 0.552 | 1.51 | 1.24 | 0.142 |
| Massachusetts | 2.92a | 2.44 | 0.022 | 5.24 | 5.80 | 0.356 | 8.64a | 7.18 | 0.035 | 1.64b | 1.23 | 0.067 |
| Michigan | 2.39b | 2.15 | 0.086 | 4.06 | 4.28 | 0.496 | 6.58 | 6.17 | 0.276 | 1.46 | 1.19 | 0.103 |
| Minnesota | 2.29 | 2.19 | 0.527 | 3.87 | 4.36 | 0.359 | 6.89 | 6.77 | 0.854 | 1.30 | 1.15 | 0.374 |
| Mississippi | 2.73 | 2.59 | 0.461 | 3.63 | 3.58 | 0.903 | 7.03 | 6.91 | 0.851 | 1.80 | 1.65 | 0.485 |
| Missouri | 2.47 | 2.54 | 0.686 | 3.85 | 4.22 | 0.414 | 7.16 | 7.71 | 0.368 | 1.50 | 1.44 | 0.782 |
| Montana | 2.42 | 2.46 | 0.818 | 4.65 | 5.38 | 0.218 | 7.23 | 7.56 | 0.601 | 1.32 | 1.25 | 0.717 |
| Nebraska | 1.95 | 2.01 | 0.689 | 3.59 | 3.63 | 0.917 | 5.07 | 5.07 | 0.985 | 1.13 | 1.24 | 0.572 |
| Nevada | 2.50 | 2.43 | 0.760 | 4.02 | 4.31 | 0.581 | 6.52 | 5.85 | 0.304 | 1.69 | 1.65 | 0.871 |
| New Hampshire | 2.88a | 2.45 | 0.048 | 6.11 | 6.00 | 0.859 | 9.58 | 8.29 | 0.107 | 1.45 | 1.11 | 0.142 |
| New Jersey | 2.14 | 2.18 | 0.808 | 3.69 | 4.36 | 0.187 | 6.86 | 7.26 | 0.571 | 1.22 | 1.14 | 0.604 |
| New Mexico | 2.93 | 2.83 | 0.658 | 6.29 | 6.68 | 0.619 | 7.87 | 8.19 | 0.694 | 1.59 | 1.38 | 0.395 |
| New York | 2.73 | 2.50 | 0.106 | 4.07 | 3.78 | 0.347 | 8.29 | 7.60 | 0.184 | 1.58 | 1.47 | 0.451 |
| North Carolina | 2.50 | 2.46 | 0.819 | 3.83 | 4.42 | 0.225 | 7.01 | 7.19 | 0.770 | 1.59 | 1.43 | 0.461 |
| North Dakota | 1.84 | 1.80 | 0.833 | 3.35 | 3.52 | 0.760 | 4.90 | 4.58 | 0.553 | 0.95 | 0.98 | 0.830 |
| Ohio | 2.48 | 2.39 | 0.496 | 4.18 | 4.11 | 0.815 | 7.42 | 6.80 | 0.159 | 1.46 | 1.45 | 0.930 |
| Oklahoma | 2.64b | 2.26 | 0.069 | 4.47 | 3.75 | 0.192 | 6.93b | 5.86 | 0.066 | 1.62 | 1.40 | 0.386 |
| Oregon | 2.82 | 2.79 | 0.887 | 5.00 | 5.37 | 0.468 | 8.03 | 8.81 | 0.336 | 1.74 | 1.53 | 0.401 |
| Pennsylvania | 2.41 | 2.30 | 0.379 | 4.21 | 3.96 | 0.488 | 7.16 | 6.79 | 0.427 | 1.42 | 1.35 | 0.669 |
| Rhode Island | 2.99b | 2.52 | 0.060 | 4.82 | 4.29 | 0.328 | 9.42a | 7.75 | 0.041 | 1.56 | 1.32 | 0.368 |
| South Carolina | 2.52 | 2.33 | 0.333 | 3.89 | 4.54 | 0.182 | 6.46 | 6.58 | 0.843 | 1.70 | 1.35 | 0.122 |
| South Dakota | 2.07 | 1.91 | 0.378 | 4.38 | 4.12 | 0.640 | 5.54 | 4.79 | 0.174 | 1.15 | 1.13 | 0.896 |
| Tennessee | 2.36 | 2.62 | 0.181 | 3.62 | 4.15 | 0.226 | 6.04a | 7.67 | 0.013 | 1.63 | 1.62 | 0.963 |
| Texas | 2.36 | 2.26 | 0.429 | 4.07 | 4.09 | 0.957 | 6.19 | 5.81 | 0.377 | 1.38 | 1.32 | 0.663 |
| Utah | 2.57 | 2.50 | 0.696 | 4.30 | 4.26 | 0.930 | 6.09 | 5.56 | 0.386 | 1.41 | 1.47 | 0.764 |
| Vermont | 2.72 | 2.77 | 0.795 | 4.20 | 4.75 | 0.266 | 9.52 | 10.34 | 0.319 | 1.38 | 1.23 | 0.474 |
| Virginia | 2.47b | 2.18 | 0.078 | 4.47 | 4.25 | 0.631 | 7.38 | 6.74 | 0.326 | 1.37 | 1.14 | 0.179 |
| Washington | 2.57 | 2.49 | 0.661 | 3.75 | 4.18 | 0.365 | 8.38 | 8.05 | 0.674 | 1.48 | 1.36 | 0.569 |
| West Virginia | 2.31 | 2.32 | 0.959 | 3.24 | 3.32 | 0.858 | 7.74 | 8.53 | 0.275 | 1.40 | 1.27 | 0.560 |
| Wisconsin | 2.41 | 2.17 | 0.219 | 4.88 | 4.15 | 0.219 | 6.49 | 5.72 | 0.165 | 1.39 | 1.32 | 0.723 |
| Wyoming | 2.09 | 1.95 | 0.427 | 4.38 | 3.85 | 0.328 | 5.71 | 5.09 | 0.298 | 1.15 | 1.16 | 0.961 |
| State | 12+ (2009-2010) |
12+ (2010-2011) |
12+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Needing But Not Receiving Treatment refers to respondents classified as needing treatment for alcohol, but not receiving treatment for an alcohol problem at a specialty facility (i.e., drug and alcohol rehabilitation facilities [inpatient or outpatient], hospitals [inpatient only], and mental health centers). a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 6.88a | 6.45 | 0.000 | 4.41a | 4.03 | 0.004 | 15.26a | 14.46 | 0.001 | 5.73a | 5.36 | 0.006 |
| Northeast | 6.90 | 6.71 | 0.298 | 4.44b | 4.08 | 0.070 | 16.23a | 15.13 | 0.005 | 5.62 | 5.61 | 0.957 |
| Midwest | 6.98a | 6.64 | 0.020 | 4.37a | 3.87 | 0.002 | 15.91a | 15.20 | 0.033 | 5.75 | 5.50 | 0.180 |
| South | 6.46a | 5.74 | 0.000 | 4.08a | 3.66 | 0.009 | 14.04a | 12.89 | 0.000 | 5.46a | 4.77 | 0.000 |
| West | 7.42 | 7.18 | 0.244 | 4.94 | 4.72 | 0.371 | 15.80 | 15.71 | 0.851 | 6.22 | 5.96 | 0.317 |
| Alabama | 6.50a | 5.05 | 0.000 | 4.26a | 3.35 | 0.035 | 12.87b | 11.31 | 0.083 | 5.68a | 4.16 | 0.001 |
| Alaska | 7.13 | 7.44 | 0.534 | 4.40 | 4.21 | 0.717 | 14.86 | 15.13 | 0.811 | 6.00 | 6.40 | 0.531 |
| Arizona | 7.15 | 7.68 | 0.280 | 4.59 | 4.48 | 0.843 | 16.65 | 16.02 | 0.588 | 5.87 | 6.67 | 0.178 |
| Arkansas | 6.15a | 4.94 | 0.003 | 4.39 | 3.77 | 0.174 | 13.53a | 11.03 | 0.009 | 5.15a | 4.06 | 0.026 |
| California | 7.76a | 7.11 | 0.046 | 5.15 | 5.08 | 0.874 | 15.61 | 15.62 | 0.991 | 6.62a | 5.80 | 0.042 |
| Colorado | 8.17 | 8.09 | 0.869 | 5.32 | 4.47 | 0.150 | 19.29 | 18.75 | 0.658 | 6.60 | 6.67 | 0.911 |
| Connecticut | 7.51 | 6.97 | 0.299 | 4.67 | 4.06 | 0.250 | 17.93 | 16.54 | 0.281 | 6.17 | 5.78 | 0.546 |
| Delaware | 6.69b | 5.89 | 0.087 | 4.40b | 3.55 | 0.074 | 15.64 | 13.82 | 0.110 | 5.49 | 4.84 | 0.248 |
| District of Columbia | 9.21b | 10.59 | 0.052 | 3.37 | 2.91 | 0.419 | 16.73 | 17.67 | 0.451 | 8.07b | 9.61 | 0.076 |
| Florida | 6.38a | 5.58 | 0.004 | 4.40b | 3.86 | 0.087 | 13.12 | 12.58 | 0.387 | 5.57a | 4.70 | 0.009 |
| Georgia | 5.88b | 5.22 | 0.085 | 3.53 | 3.65 | 0.783 | 13.49 | 12.07 | 0.160 | 4.87 | 4.21 | 0.155 |
| Hawaii | 7.46 | 7.62 | 0.785 | 5.25 | 4.45 | 0.291 | 16.97 | 17.60 | 0.651 | 6.19 | 6.43 | 0.749 |
| Idaho | 7.02 | 6.96 | 0.892 | 4.79 | 4.24 | 0.250 | 16.04 | 15.13 | 0.411 | 5.69 | 5.83 | 0.795 |
| Illinois | 6.89 | 6.57 | 0.246 | 3.96 | 3.73 | 0.484 | 16.19 | 15.94 | 0.730 | 5.60 | 5.30 | 0.397 |
| Indiana | 6.67 | 6.44 | 0.585 | 4.09 | 3.51 | 0.184 | 14.99 | 15.03 | 0.973 | 5.57 | 5.29 | 0.597 |
| Iowa | 7.86 | 7.50 | 0.461 | 5.24b | 4.19 | 0.065 | 18.73 | 17.95 | 0.504 | 6.21 | 6.01 | 0.736 |
| Kansas | 7.38b | 6.60 | 0.059 | 4.95 | 4.34 | 0.228 | 16.63 | 15.17 | 0.160 | 5.93 | 5.29 | 0.209 |
| Kentucky | 5.84a | 4.48 | 0.000 | 4.06 | 3.61 | 0.325 | 13.15a | 10.48 | 0.005 | 4.88a | 3.59 | 0.004 |
| Louisiana | 6.38 | 5.97 | 0.327 | 3.35 | 3.06 | 0.447 | 13.84 | 12.98 | 0.382 | 5.36 | 5.03 | 0.524 |
| Maine | 6.21a | 5.16 | 0.009 | 4.16 | 3.68 | 0.281 | 15.77b | 13.70 | 0.070 | 5.07a | 4.09 | 0.038 |
| Maryland | 5.97a | 4.81 | 0.005 | 3.30 | 2.89 | 0.307 | 13.36 | 11.90 | 0.178 | 5.05a | 3.86 | 0.019 |
| Massachusetts | 7.94 | 7.98 | 0.926 | 4.98 | 4.71 | 0.624 | 19.07 | 18.18 | 0.480 | 6.30 | 6.56 | 0.666 |
| Michigan | 6.99 | 6.78 | 0.486 | 4.25 | 3.92 | 0.293 | 14.70 | 14.19 | 0.421 | 6.02 | 5.87 | 0.687 |
| Minnesota | 7.30 | 7.22 | 0.853 | 4.70 | 4.19 | 0.291 | 16.85 | 17.09 | 0.837 | 5.98 | 5.92 | 0.910 |
| Mississippi | 6.20a | 5.29 | 0.013 | 3.71 | 3.30 | 0.320 | 12.92a | 11.12 | 0.041 | 5.29b | 4.47 | 0.078 |
| Missouri | 6.26a | 5.27 | 0.010 | 4.49 | 4.00 | 0.275 | 13.77 | 12.96 | 0.409 | 5.21a | 4.11 | 0.022 |
| Montana | 8.71 | 8.02 | 0.196 | 6.13 | 5.47 | 0.333 | 21.41a | 17.98 | 0.006 | 6.79 | 6.59 | 0.752 |
| Nebraska | 7.39a | 6.09 | 0.004 | 4.44 | 3.65 | 0.117 | 17.77a | 15.32 | 0.031 | 5.77a | 4.68 | 0.041 |
| Nevada | 8.00 | 8.69 | 0.257 | 5.15 | 4.51 | 0.338 | 17.31 | 17.03 | 0.815 | 6.93 | 7.89 | 0.198 |
| New Hampshire | 7.15 | 6.53 | 0.166 | 5.12 | 4.63 | 0.297 | 17.82b | 15.91 | 0.087 | 5.69 | 5.25 | 0.416 |
| New Jersey | 6.07 | 6.19 | 0.782 | 3.86 | 4.11 | 0.617 | 13.82 | 14.29 | 0.671 | 5.15 | 5.22 | 0.894 |
| New Mexico | 7.14 | 6.67 | 0.324 | 5.21 | 4.37 | 0.161 | 15.29 | 15.03 | 0.820 | 5.89 | 5.49 | 0.492 |
| New York | 6.99b | 6.43 | 0.079 | 4.69a | 3.87 | 0.016 | 15.97a | 13.96 | 0.004 | 5.67 | 5.41 | 0.509 |
| North Carolina | 6.01a | 5.18 | 0.030 | 3.63 | 3.93 | 0.495 | 13.34 | 12.16 | 0.221 | 5.08a | 4.16 | 0.049 |
| North Dakota | 7.90 | 8.50 | 0.213 | 4.32 | 4.01 | 0.543 | 19.11 | 20.47 | 0.238 | 5.72 | 6.33 | 0.312 |
| Ohio | 6.86 | 6.78 | 0.809 | 4.36b | 3.81 | 0.098 | 16.04a | 14.63 | 0.037 | 5.67 | 5.86 | 0.616 |
| Oklahoma | 7.15 | 6.83 | 0.540 | 4.58b | 3.69 | 0.088 | 15.48 | 13.70 | 0.109 | 5.95 | 5.98 | 0.965 |
| Oregon | 7.13 | 7.35 | 0.624 | 4.75 | 4.01 | 0.120 | 15.06 | 15.22 | 0.882 | 6.12 | 6.46 | 0.556 |
| Pennsylvania | 6.51 | 6.75 | 0.433 | 4.07 | 4.01 | 0.865 | 15.80 | 15.08 | 0.344 | 5.26 | 5.68 | 0.258 |
| Rhode Island | 8.26 | 8.95 | 0.188 | 4.50 | 4.30 | 0.703 | 17.02 | 18.66 | 0.204 | 7.04 | 7.64 | 0.372 |
| South Carolina | 7.67a | 6.33 | 0.005 | 3.90 | 3.90 | 0.997 | 13.99 | 12.49 | 0.138 | 7.08a | 5.58 | 0.013 |
| South Dakota | 8.44 | 8.40 | 0.942 | 5.90 | 5.50 | 0.520 | 19.03 | 17.31 | 0.176 | 6.82 | 7.16 | 0.597 |
| Tennessee | 6.16 | 5.94 | 0.604 | 3.70 | 3.59 | 0.802 | 13.55 | 13.01 | 0.580 | 5.29 | 5.08 | 0.678 |
| Texas | 6.63 | 6.36 | 0.371 | 4.36a | 3.65 | 0.040 | 14.40 | 13.89 | 0.421 | 5.47 | 5.32 | 0.698 |
| Utah | 5.40a | 4.20 | 0.002 | 3.83 | 3.53 | 0.496 | 11.47 | 9.89 | 0.114 | 4.18a | 2.96 | 0.013 |
| Vermont | 7.61b | 6.77 | 0.084 | 4.68 | 4.61 | 0.892 | 19.00b | 17.16 | 0.092 | 5.96 | 5.17 | 0.186 |
| Virginia | 7.52a | 6.42 | 0.010 | 4.81 | 4.15 | 0.128 | 18.11a | 15.32 | 0.011 | 6.01b | 5.14 | 0.097 |
| Washington | 6.04b | 6.86 | 0.052 | 4.10 | 4.28 | 0.717 | 14.60 | 16.10 | 0.179 | 4.88 | 5.64 | 0.127 |
| West Virginia | 5.53 | 5.08 | 0.203 | 4.16 | 3.80 | 0.435 | 13.19 | 13.54 | 0.724 | 4.52 | 3.92 | 0.155 |
| Wisconsin | 7.08 | 6.63 | 0.321 | 4.43b | 3.63 | 0.093 | 15.92 | 14.57 | 0.214 | 5.85 | 5.62 | 0.676 |
| Wyoming | 7.17 | 6.71 | 0.309 | 5.38a | 4.24 | 0.043 | 16.79 | 15.46 | 0.246 | 5.62 | 5.42 | 0.706 |
| State | 18+ (2009-2010) |
18+ (2010-2011) |
18+ (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Serious Mental Illness is defined as having a diagnosable mental, behavioral, or emotional disorder, other than a developmental or substance use disorder, that met the criteria found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV) and resulted in serious functional impairment. For details, see Section A.11 in Appendix A of the report on State Estimates of Substance Use and Mental Disorders from the 2009-2010 NSDUHs. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | |||||||||
| Total U.S. | 4.93 | 4.99 | 0.605 | 7.55 | 7.69 | 0.401 | 4.47 | 4.52 | 0.729 |
| Northeast | 4.76 | 4.71 | 0.782 | 7.70 | 7.78 | 0.750 | 4.26 | 4.19 | 0.734 |
| Midwest | 5.19 | 5.18 | 0.926 | 7.91 | 7.96 | 0.854 | 4.72 | 4.70 | 0.905 |
| South | 4.93 | 4.87 | 0.687 | 6.99 | 7.24 | 0.219 | 4.58 | 4.46 | 0.509 |
| West | 4.82a | 5.22 | 0.050 | 7.95 | 8.05 | 0.753 | 4.25b | 4.70 | 0.053 |
| Alabama | 5.84 | 6.68 | 0.123 | 6.92 | 7.31 | 0.540 | 5.65 | 6.57 | 0.147 |
| Alaska | 5.08 | 5.03 | 0.921 | 7.67 | 8.02 | 0.599 | 4.57 | 4.45 | 0.825 |
| Arizona | 5.22 | 5.93 | 0.150 | 7.78 | 8.77 | 0.187 | 4.79 | 5.45 | 0.234 |
| Arkansas | 6.26 | 5.91 | 0.518 | 8.48 | 7.85 | 0.406 | 5.89 | 5.58 | 0.622 |
| California | 4.36 | 4.75 | 0.211 | 7.85 | 7.57 | 0.562 | 3.70 | 4.22 | 0.142 |
| Colorado | 5.13 | 5.38 | 0.617 | 7.95 | 8.41 | 0.520 | 4.65 | 4.85 | 0.724 |
| Connecticut | 4.87 | 4.75 | 0.779 | 8.55 | 7.89 | 0.377 | 4.27 | 4.24 | 0.956 |
| Delaware | 4.88 | 4.93 | 0.904 | 7.93 | 8.25 | 0.677 | 4.38 | 4.37 | 0.993 |
| District of Columbia | 4.69 | 4.99 | 0.472 | 6.50 | 6.71 | 0.759 | 4.29 | 4.60 | 0.539 |
| Florida | 4.95 | 4.48 | 0.150 | 6.74 | 7.21 | 0.280 | 4.68b | 4.07 | 0.098 |
| Georgia | 4.57 | 4.50 | 0.870 | 6.01 | 6.83 | 0.229 | 4.32 | 4.08 | 0.653 |
| Hawaii | 4.36 | 4.93 | 0.246 | 7.06 | 7.70 | 0.447 | 3.93 | 4.50 | 0.302 |
| Idaho | 6.06 | 6.32 | 0.614 | 9.46 | 9.46 | 0.998 | 5.44 | 5.74 | 0.623 |
| Illinois | 4.63 | 4.25 | 0.204 | 7.85 | 7.43 | 0.332 | 4.04 | 3.69 | 0.299 |
| Indiana | 5.58 | 5.51 | 0.882 | 8.38 | 8.74 | 0.613 | 5.10 | 4.94 | 0.776 |
| Iowa | 5.57 | 5.42 | 0.752 | 7.90 | 8.44 | 0.496 | 5.15 | 4.87 | 0.618 |
| Kansas | 4.59 | 5.06 | 0.320 | 7.24 | 7.45 | 0.755 | 4.09 | 4.61 | 0.327 |
| Kentucky | 5.64 | 6.34 | 0.201 | 7.22 | 7.85 | 0.375 | 5.39 | 6.09 | 0.265 |
| Louisiana | 5.00 | 4.58 | 0.329 | 6.91 | 7.10 | 0.765 | 4.64 | 4.11 | 0.292 |
| Maine | 5.26 | 5.11 | 0.757 | 8.73 | 8.12 | 0.454 | 4.77 | 4.68 | 0.864 |
| Maryland | 4.31 | 4.48 | 0.689 | 7.16 | 7.02 | 0.836 | 3.83 | 4.05 | 0.641 |
| Massachusetts | 5.10 | 5.42 | 0.491 | 8.05 | 8.42 | 0.607 | 4.58 | 4.90 | 0.557 |
| Michigan | 5.21 | 4.95 | 0.376 | 8.28 | 8.17 | 0.808 | 4.69 | 4.40 | 0.393 |
| Minnesota | 5.16 | 4.96 | 0.662 | 8.02 | 8.13 | 0.894 | 4.67 | 4.43 | 0.636 |
| Mississippi | 5.19 | 5.87 | 0.145 | 6.56 | 6.85 | 0.646 | 4.93 | 5.68 | 0.166 |
| Missouri | 5.72 | 5.76 | 0.933 | 7.76 | 7.48 | 0.702 | 5.37 | 5.47 | 0.874 |
| Montana | 5.69 | 5.57 | 0.794 | 8.06 | 8.27 | 0.768 | 5.28 | 5.11 | 0.745 |
| Nebraska | 4.84 | 4.72 | 0.792 | 7.49 | 7.75 | 0.690 | 4.33 | 4.16 | 0.745 |
| Nevada | 5.29 | 5.18 | 0.821 | 7.74 | 7.52 | 0.768 | 4.91 | 4.80 | 0.848 |
| New Hampshire | 5.37 | 5.84 | 0.298 | 9.23 | 8.87 | 0.624 | 4.76 | 5.36 | 0.246 |
| New Jersey | 4.32 | 4.12 | 0.603 | 7.33 | 7.06 | 0.682 | 3.86 | 3.67 | 0.674 |
| New Mexico | 4.73 | 5.01 | 0.534 | 7.61 | 7.63 | 0.980 | 4.20 | 4.55 | 0.514 |
| New York | 4.79 | 4.56 | 0.428 | 7.58 | 7.80 | 0.643 | 4.30 | 3.99 | 0.366 |
| North Carolina | 4.59 | 4.25 | 0.429 | 6.41 | 6.93 | 0.390 | 4.28 | 3.80 | 0.334 |
| North Dakota | 4.55 | 4.35 | 0.625 | 7.38 | 7.75 | 0.569 | 3.89 | 3.59 | 0.530 |
| Ohio | 5.58a | 6.40 | 0.017 | 7.81 | 8.42 | 0.180 | 5.21a | 6.06 | 0.034 |
| Oklahoma | 5.23 | 5.69 | 0.375 | 8.00 | 7.84 | 0.832 | 4.72 | 5.29 | 0.337 |
| Oregon | 5.62 | 5.86 | 0.622 | 8.31 | 9.15 | 0.312 | 5.19 | 5.33 | 0.807 |
| Pennsylvania | 4.55 | 4.72 | 0.598 | 7.33 | 7.59 | 0.575 | 4.09 | 4.24 | 0.688 |
| Rhode Island | 6.01b | 5.06 | 0.077 | 8.25 | 8.24 | 0.986 | 5.58b | 4.46 | 0.075 |
| South Carolina | 4.87 | 5.38 | 0.329 | 6.57 | 6.86 | 0.664 | 4.59 | 5.13 | 0.371 |
| South Dakota | 4.64 | 4.93 | 0.491 | 6.87 | 7.82 | 0.206 | 4.23 | 4.42 | 0.707 |
| Tennessee | 5.75 | 5.87 | 0.826 | 7.28 | 7.89 | 0.427 | 5.51 | 5.54 | 0.957 |
| Texas | 4.52 | 4.23 | 0.288 | 7.35 | 7.02 | 0.396 | 3.98 | 3.70 | 0.377 |
| Utah | 6.15b | 7.09 | 0.082 | 9.50 | 9.93 | 0.562 | 5.33b | 6.41 | 0.096 |
| Vermont | 5.10 | 5.71 | 0.219 | 8.76 | 8.80 | 0.952 | 4.47 | 5.16 | 0.229 |
| Virginia | 4.84 | 4.90 | 0.889 | 7.14 | 8.04 | 0.200 | 4.44 | 4.36 | 0.866 |
| Washington | 5.16 | 5.70 | 0.255 | 7.69 | 8.30 | 0.394 | 4.74 | 5.27 | 0.340 |
| West Virginia | 5.87 | 6.13 | 0.660 | 7.51 | 7.64 | 0.847 | 5.62 | 5.89 | 0.685 |
| Wisconsin | 5.07 | 4.64 | 0.356 | 7.91 | 7.43 | 0.502 | 4.57 | 4.16 | 0.428 |
| Wyoming | 5.13 | 5.36 | 0.634 | 8.17 | 8.83 | 0.366 | 4.57 | 4.73 | 0.778 |
| State | 18+ (2009-2010) |
18+ (2010-2011) |
18+ (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Any Mental Illness is defined as having a diagnosable mental, behavioral, or emotional disorder, other than a developmental or substance use disorder, that met the criteria found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). For details, see Section A.11 in Appendix A of the report on State Estimates of Substance Use and Mental Disorders from the 2009-2010 NSDUHs. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | |||||||||
| Total U.S. | 20.03 | 19.83 | 0.373 | 30.19 | 29.95 | 0.395 | 18.26 | 18.08 | 0.460 |
| Northeast | 20.08 | 19.74 | 0.364 | 31.14 | 30.30 | 0.119 | 18.22 | 17.97 | 0.566 |
| Midwest | 20.49 | 20.44 | 0.877 | 31.06 | 30.92 | 0.748 | 18.64 | 18.62 | 0.951 |
| South | 19.61 | 19.48 | 0.688 | 28.88 | 28.70 | 0.649 | 18.02 | 17.89 | 0.724 |
| West | 20.21 | 19.90 | 0.438 | 30.65 | 30.72 | 0.904 | 18.31 | 17.95 | 0.433 |
| Alabama | 23.26 | 23.88 | 0.546 | 30.36 | 29.61 | 0.611 | 22.03 | 22.88 | 0.475 |
| Alaska | 21.17 | 20.69 | 0.609 | 30.12 | 31.08 | 0.507 | 19.41 | 18.66 | 0.498 |
| Arizona | 20.03 | 21.19 | 0.227 | 31.08 | 31.30 | 0.879 | 18.17 | 19.47 | 0.234 |
| Arkansas | 21.26 | 21.94 | 0.516 | 30.63 | 29.60 | 0.471 | 19.72 | 20.65 | 0.439 |
| California | 19.05 | 18.21 | 0.174 | 29.81 | 29.77 | 0.967 | 17.00 | 16.05 | 0.188 |
| Colorado | 19.94 | 19.83 | 0.913 | 30.58 | 31.79 | 0.415 | 18.10 | 17.75 | 0.761 |
| Connecticut | 19.27 | 18.61 | 0.491 | 31.54 | 29.51 | 0.170 | 17.27 | 16.85 | 0.700 |
| Delaware | 19.62 | 20.22 | 0.536 | 30.83 | 30.49 | 0.816 | 17.77 | 18.51 | 0.511 |
| District of Columbia | 21.56 | 22.61 | 0.285 | 29.68 | 29.92 | 0.876 | 19.77 | 20.96 | 0.311 |
| Florida | 18.25 | 17.78 | 0.450 | 27.28b | 28.70 | 0.099 | 16.90 | 16.12 | 0.279 |
| Georgia | 17.94 | 18.61 | 0.489 | 28.78 | 28.73 | 0.970 | 16.05 | 16.81 | 0.499 |
| Hawaii | 19.65 | 19.57 | 0.941 | 30.44 | 29.74 | 0.672 | 17.94 | 18.00 | 0.958 |
| Idaho | 25.00 | 25.70 | 0.556 | 33.83 | 34.09 | 0.865 | 23.39 | 24.15 | 0.585 |
| Illinois | 19.12 | 18.44 | 0.235 | 31.02 | 30.72 | 0.743 | 16.97 | 16.30 | 0.307 |
| Indiana | 21.29 | 21.69 | 0.680 | 32.01 | 32.82 | 0.576 | 19.43 | 19.72 | 0.806 |
| Iowa | 20.76 | 20.86 | 0.917 | 31.42 | 30.41 | 0.479 | 18.83 | 19.13 | 0.782 |
| Kansas | 18.60 | 19.65 | 0.249 | 28.01 | 28.86 | 0.545 | 16.81 | 17.91 | 0.297 |
| Kentucky | 21.17 | 20.72 | 0.664 | 29.25 | 28.82 | 0.752 | 19.89 | 19.38 | 0.678 |
| Louisiana | 20.77 | 21.11 | 0.710 | 29.92 | 29.55 | 0.772 | 19.02 | 19.52 | 0.634 |
| Maine | 20.01 | 18.47 | 0.131 | 33.28 | 31.79 | 0.294 | 18.13 | 16.54 | 0.170 |
| Maryland | 19.31 | 20.06 | 0.476 | 29.89 | 29.48 | 0.779 | 17.52 | 18.49 | 0.416 |
| Massachusetts | 20.61 | 19.72 | 0.365 | 33.25a | 30.16 | 0.039 | 18.37 | 17.89 | 0.671 |
| Michigan | 21.62 | 21.74 | 0.847 | 31.20 | 30.98 | 0.810 | 19.97 | 20.14 | 0.811 |
| Minnesota | 19.57 | 18.95 | 0.507 | 31.31 | 31.73 | 0.776 | 17.55 | 16.79 | 0.476 |
| Mississippi | 20.40 | 21.94 | 0.128 | 29.47 | 28.87 | 0.655 | 18.70 | 20.65 | 0.102 |
| Missouri | 20.86 | 20.48 | 0.696 | 31.69 | 29.30 | 0.116 | 19.03 | 18.98 | 0.961 |
| Montana | 22.28 | 21.29 | 0.321 | 31.60 | 31.35 | 0.843 | 20.66 | 19.55 | 0.340 |
| Nebraska | 19.86 | 19.41 | 0.621 | 29.79 | 29.30 | 0.717 | 17.94 | 17.57 | 0.724 |
| Nevada | 21.96a | 19.18 | 0.010 | 28.63 | 28.79 | 0.921 | 20.94a | 17.65 | 0.009 |
| New Hampshire | 20.87 | 21.10 | 0.812 | 32.88 | 32.71 | 0.910 | 18.98 | 19.25 | 0.802 |
| New Jersey | 19.41 | 18.11 | 0.164 | 30.80 | 29.08 | 0.249 | 17.66 | 16.45 | 0.253 |
| New Mexico | 18.44a | 20.71 | 0.026 | 28.35b | 30.87 | 0.081 | 16.63b | 18.90 | 0.058 |
| New York | 20.43 | 20.62 | 0.777 | 30.34 | 30.89 | 0.544 | 18.68 | 18.83 | 0.846 |
| North Carolina | 19.15 | 18.17 | 0.300 | 27.50 | 28.66 | 0.365 | 17.76 | 16.42 | 0.222 |
| North Dakota | 18.99 | 18.56 | 0.646 | 27.81 | 29.18 | 0.324 | 16.93 | 16.18 | 0.491 |
| Ohio | 21.70 | 22.61 | 0.157 | 31.39b | 32.90 | 0.091 | 20.11 | 20.92 | 0.271 |
| Oklahoma | 21.81 | 21.73 | 0.941 | 32.85a | 28.24 | 0.002 | 19.78 | 20.54 | 0.545 |
| Oregon | 21.37 | 21.67 | 0.762 | 31.47 | 30.41 | 0.460 | 19.75 | 20.25 | 0.655 |
| Pennsylvania | 19.54 | 19.64 | 0.872 | 30.82 | 29.88 | 0.334 | 17.68 | 17.93 | 0.723 |
| Rhode Island | 23.17b | 21.10 | 0.062 | 31.74 | 30.42 | 0.400 | 21.55b | 19.32 | 0.087 |
| South Carolina | 19.14 | 20.14 | 0.349 | 27.89 | 26.69 | 0.362 | 17.69 | 19.03 | 0.278 |
| South Dakota | 18.80 | 19.81 | 0.302 | 29.31 | 28.93 | 0.803 | 16.88 | 18.17 | 0.247 |
| Tennessee | 22.92 | 23.43 | 0.644 | 31.53 | 31.12 | 0.776 | 21.57 | 22.18 | 0.629 |
| Texas | 18.47 | 17.58 | 0.128 | 27.86 | 27.36 | 0.545 | 16.68 | 15.72 | 0.151 |
| Utah | 25.35 | 24.40 | 0.381 | 36.66 | 35.01 | 0.332 | 22.55 | 21.86 | 0.595 |
| Vermont | 21.15 | 20.68 | 0.647 | 33.06 | 32.79 | 0.849 | 19.10 | 18.55 | 0.641 |
| Virginia | 20.12 | 20.01 | 0.904 | 30.20 | 30.03 | 0.905 | 18.36 | 18.26 | 0.925 |
| Washington | 22.61 | 23.67 | 0.339 | 32.20 | 32.84 | 0.656 | 21.05 | 22.14 | 0.387 |
| West Virginia | 22.57 | 21.84 | 0.514 | 30.02 | 29.91 | 0.937 | 21.44 | 20.61 | 0.505 |
| Wisconsin | 20.07 | 19.01 | 0.273 | 30.91 | 28.70 | 0.144 | 18.18 | 17.33 | 0.445 |
| Wyoming | 21.49 | 20.56 | 0.362 | 32.61 | 31.37 | 0.386 | 19.45 | 18.60 | 0.476 |
| State | 18+ (2009-2010) |
18+ (2010-2011) |
18+ (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | |||||||||
| Total U.S. | 3.78 | 3.75 | 0.781 | 6.36a | 6.74 | 0.017 | 3.33 | 3.23 | 0.362 |
| Northeast | 3.82 | 3.82 | 0.994 | 6.62 | 6.81 | 0.475 | 3.34 | 3.32 | 0.870 |
| Midwest | 4.05 | 3.99 | 0.675 | 6.73 | 6.97 | 0.291 | 3.58 | 3.47 | 0.486 |
| South | 3.53 | 3.57 | 0.761 | 5.96a | 6.52 | 0.009 | 3.11 | 3.06 | 0.712 |
| West | 3.88 | 3.76 | 0.501 | 6.41 | 6.81 | 0.169 | 3.42 | 3.21 | 0.304 |
| Alabama | 4.10 | 4.16 | 0.879 | 6.63b | 7.87 | 0.092 | 3.66 | 3.51 | 0.754 |
| Alaska | 3.96 | 4.46 | 0.232 | 6.13b | 7.36 | 0.087 | 3.54 | 3.89 | 0.452 |
| Arizona | 4.08 | 4.13 | 0.901 | 6.40 | 7.50 | 0.146 | 3.69 | 3.56 | 0.802 |
| Arkansas | 4.37 | 4.22 | 0.712 | 6.62 | 7.09 | 0.512 | 4.00 | 3.73 | 0.576 |
| California | 3.57 | 3.49 | 0.729 | 6.26 | 6.56 | 0.493 | 3.06 | 2.91 | 0.606 |
| Colorado | 4.12 | 3.59 | 0.250 | 6.53 | 6.73 | 0.746 | 3.70 | 3.04 | 0.227 |
| Connecticut | 3.63 | 3.62 | 0.986 | 5.95 | 5.98 | 0.960 | 3.25 | 3.24 | 0.982 |
| Delaware | 3.89 | 4.32 | 0.262 | 7.45 | 7.33 | 0.869 | 3.30 | 3.81 | 0.245 |
| District of Columbia | 3.98 | 4.03 | 0.918 | 5.64 | 6.34 | 0.270 | 3.62 | 3.50 | 0.824 |
| Florida | 3.52 | 3.36 | 0.535 | 5.67b | 6.49 | 0.055 | 3.20 | 2.88 | 0.295 |
| Georgia | 3.12 | 3.40 | 0.355 | 5.58 | 6.26 | 0.279 | 2.70 | 2.89 | 0.571 |
| Hawaii | 3.92 | 3.55 | 0.379 | 7.36 | 7.06 | 0.719 | 3.37 | 3.01 | 0.439 |
| Idaho | 4.87 | 4.43 | 0.332 | 7.71 | 7.14 | 0.409 | 4.35 | 3.93 | 0.427 |
| Illinois | 4.05a | 3.33 | 0.009 | 6.86 | 6.46 | 0.333 | 3.55a | 2.78 | 0.019 |
| Indiana | 3.99 | 4.28 | 0.457 | 6.40 | 7.11 | 0.301 | 3.57 | 3.78 | 0.645 |
| Iowa | 3.90 | 3.76 | 0.696 | 6.16 | 6.65 | 0.437 | 3.49 | 3.23 | 0.541 |
| Kansas | 3.55 | 3.93 | 0.297 | 6.22 | 6.16 | 0.928 | 3.04 | 3.51 | 0.265 |
| Kentucky | 3.98 | 4.13 | 0.736 | 6.26 | 6.45 | 0.779 | 3.62 | 3.75 | 0.803 |
| Louisiana | 3.53 | 3.70 | 0.566 | 6.17 | 6.78 | 0.353 | 3.03 | 3.13 | 0.766 |
| Maine | 4.56 | 4.02 | 0.271 | 6.55 | 6.32 | 0.747 | 4.28 | 3.68 | 0.293 |
| Maryland | 3.52 | 3.60 | 0.809 | 6.25 | 6.43 | 0.797 | 3.05 | 3.13 | 0.851 |
| Massachusetts | 3.94 | 3.95 | 0.969 | 6.26 | 6.45 | 0.750 | 3.52 | 3.51 | 0.980 |
| Michigan | 4.15 | 4.49 | 0.230 | 6.90 | 7.54 | 0.148 | 3.68 | 3.96 | 0.385 |
| Minnesota | 3.90 | 3.98 | 0.809 | 6.72 | 7.10 | 0.601 | 3.41 | 3.45 | 0.921 |
| Mississippi | 3.72 | 3.88 | 0.641 | 6.34 | 6.25 | 0.892 | 3.23 | 3.44 | 0.604 |
| Missouri | 4.30 | 4.13 | 0.677 | 6.55 | 6.54 | 0.982 | 3.91 | 3.72 | 0.669 |
| Montana | 4.57 | 4.23 | 0.444 | 7.70 | 8.09 | 0.564 | 4.02 | 3.56 | 0.381 |
| Nebraska | 4.02 | 3.85 | 0.676 | 6.25 | 6.29 | 0.949 | 3.58 | 3.40 | 0.687 |
| Nevada | 4.18 | 3.57 | 0.169 | 5.67 | 6.20 | 0.411 | 3.95 | 3.15 | 0.126 |
| New Hampshire | 4.28 | 4.74 | 0.260 | 6.98 | 7.12 | 0.815 | 3.86 | 4.36 | 0.285 |
| New Jersey | 3.62 | 3.44 | 0.567 | 7.23 | 6.66 | 0.415 | 3.07 | 2.95 | 0.738 |
| New Mexico | 3.53 | 3.79 | 0.550 | 6.61 | 7.06 | 0.516 | 2.96 | 3.20 | 0.637 |
| New York | 3.84 | 3.72 | 0.681 | 6.57 | 7.02 | 0.320 | 3.35 | 3.15 | 0.512 |
| North Carolina | 3.48 | 3.63 | 0.639 | 5.77 | 6.33 | 0.320 | 3.10 | 3.18 | 0.825 |
| North Dakota | 3.48 | 3.62 | 0.684 | 5.91 | 6.56 | 0.253 | 2.91 | 2.96 | 0.914 |
| Ohio | 4.13 | 4.11 | 0.947 | 6.99 | 7.75 | 0.110 | 3.66 | 3.52 | 0.627 |
| Oklahoma | 3.86b | 4.61 | 0.080 | 5.99 | 6.56 | 0.370 | 3.47 | 4.26 | 0.108 |
| Oregon | 4.14 | 4.06 | 0.839 | 6.32 | 7.09 | 0.260 | 3.79 | 3.57 | 0.634 |
| Pennsylvania | 3.68 | 4.00 | 0.193 | 6.60 | 7.00 | 0.387 | 3.20 | 3.51 | 0.273 |
| Rhode Island | 4.56 | 4.13 | 0.348 | 6.90 | 6.61 | 0.664 | 4.11 | 3.65 | 0.391 |
| South Carolina | 3.60 | 3.80 | 0.606 | 5.79 | 6.32 | 0.390 | 3.23 | 3.37 | 0.759 |
| South Dakota | 3.92 | 4.15 | 0.554 | 6.09 | 6.42 | 0.600 | 3.53 | 3.74 | 0.632 |
| Tennessee | 3.63 | 3.74 | 0.754 | 5.58 | 6.12 | 0.364 | 3.32 | 3.35 | 0.944 |
| Texas | 3.14 | 2.94 | 0.420 | 5.90 | 6.29 | 0.308 | 2.61 | 2.30 | 0.273 |
| Utah | 4.99 | 4.55 | 0.305 | 7.69 | 7.68 | 0.995 | 4.31 | 3.80 | 0.320 |
| Vermont | 4.39 | 4.83 | 0.377 | 7.32 | 7.16 | 0.807 | 3.88 | 4.42 | 0.360 |
| Virginia | 3.76 | 4.00 | 0.484 | 6.25 | 7.25 | 0.141 | 3.33 | 3.43 | 0.791 |
| Washington | 4.25 | 4.37 | 0.795 | 6.23 | 6.93 | 0.327 | 3.93 | 3.94 | 0.977 |
| West Virginia | 4.46 | 4.14 | 0.484 | 6.80 | 6.43 | 0.548 | 4.10 | 3.79 | 0.544 |
| Wisconsin | 4.04 | 4.13 | 0.837 | 7.09 | 6.72 | 0.593 | 3.51 | 3.68 | 0.722 |
| Wyoming | 3.98 | 3.88 | 0.802 | 5.97 | 6.01 | 0.943 | 3.62 | 3.49 | 0.799 |
| State | 18+ (2009-2010) |
18+ (2010-2011) |
18+ (P Value) |
12-17 (2009-2010) |
12-17 (2010-2011) |
12-17 (P Value) |
18-25 (2009-2010) |
18-25 (2010-2011) |
18-25 (P Value) |
26+ (2009-2010) |
26+ (2010-2011) |
26+ (P Value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: State and census region estimates are based on a survey-weighted hierarchical Bayes estimation approach, with their p values being the Bayes posterior probability of no change between the 2009-2010 and the 2010-2011 estimates. The "Total U.S." estimates, along with the p values, are based on design-based (direct) estimation methods. NOTE: Major depressive episode (MDE) is defined as in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV), which specifies a period of at least 2 weeks when a person experienced a depressed mood or loss of interest or pleasure in daily activities and had a majority of specified depression symptoms. For details, see Section A.11 in Appendix A of the report on State Estimates of Substance Use and Mental Disorders from the 2009-2010 NSDUHs. NOTE: There are minor wording differences in the questions in the adult and adolescent major depressive episode modules. Therefore, data from youths aged 12 to 17 were not combined with data from persons aged 18 or older to produce an estimate for those aged 12 or older. a Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.05 level. b Difference between the 2009-2010 estimate and the 2010-2011 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality, National Survey on Drug Use and Health, 2009, 2010, and 2011 (2009 and 2010 Data – Revised March 2012). | ||||||||||||
| Total U.S. | 6.70 | 6.70 | 0.947 | 8.07 | 8.15 | 0.642 | 8.15 | 8.29 | 0.429 | 6.45 | 6.42 | 0.819 |
| Northeast | 6.68 | 6.60 | 0.711 | 7.79 | 7.85 | 0.821 | 8.24 | 8.28 | 0.898 | 6.42 | 6.32 | 0.692 |
| Midwest | 6.99 | 7.02 | 0.846 | 8.20 | 8.31 | 0.625 | 8.52 | 8.65 | 0.585 | 6.72 | 6.74 | 0.923 |
| South | 6.59 | 6.58 | 0.933 | 8.06 | 8.03 | 0.881 | 7.77 | 7.91 | 0.532 | 6.39 | 6.35 | 0.833 |
| West | 6.63 | 6.65 | 0.928 | 8.17 | 8.40 | 0.499 | 8.33 | 8.56 | 0.480 | 6.32 | 6.31 | 0.959 |
| Alabama | 7.48 | 7.63 | 0.795 | 7.65 | 7.62 | 0.966 | 7.97 | 8.42 | 0.547 | 7.40 | 7.50 | 0.882 |
| Alaska | 6.74 | 6.87 | 0.829 | 7.65 | 7.42 | 0.759 | 8.10 | 9.07 | 0.283 | 6.48 | 6.44 | 0.963 |
| Arizona | 6.87 | 7.02 | 0.807 | 8.37 | 8.84 | 0.588 | 8.58 | 8.92 | 0.703 | 6.58 | 6.70 | 0.868 |
| Arkansas | 7.81 | 7.71 | 0.874 | 8.52 | 8.50 | 0.985 | 8.64 | 8.73 | 0.917 | 7.67 | 7.53 | 0.854 |
| California | 6.12 | 6.00 | 0.751 | 7.85 | 8.24 | 0.458 | 8.02 | 8.20 | 0.726 | 5.76 | 5.60 | 0.697 |
| Colorado | 7.05 | 6.74 | 0.590 | 8.92 | 8.20 | 0.397 | 8.00 | 8.98 | 0.252 | 6.88 | 6.35 | 0.425 |
| Connecticut | 6.25 | 6.42 | 0.757 | 7.59 | 7.78 | 0.801 | 7.71 | 7.93 | 0.769 | 6.01 | 6.17 | 0.796 |
| Delaware | 6.93 | 6.79 | 0.821 | 9.02 | 9.35 | 0.695 | 10.39 | 9.31 | 0.240 | 6.36 | 6.37 | 0.993 |
| District of Columbia | 6.58 | 7.03 | 0.445 | 6.88 | 6.46 | 0.576 | 7.35 | 8.24 | 0.330 | 6.41 | 6.75 | 0.620 |
| Florida | 6.41 | 5.94 | 0.182 | 8.76 | 8.11 | 0.200 | 7.67 | 7.98 | 0.512 | 6.22 | 5.63 | 0.140 |
| Georgia | 6.24 | 6.77 | 0.344 | 8.09 | 8.58 | 0.520 | 7.84 | 8.35 | 0.519 | 5.96 | 6.49 | 0.420 |
| Hawaii | 5.99 | 5.61 | 0.486 | 7.23 | 7.99 | 0.412 | 7.67 | 7.98 | 0.736 | 5.73 | 5.25 | 0.440 |
| Idaho | 7.61 | 8.19 | 0.415 | 8.99 | 8.37 | 0.443 | 10.10 | 9.35 | 0.378 | 7.16 | 7.98 | 0.322 |
| Illinois | 6.81 | 6.40 | 0.261 | 7.48 | 8.19 | 0.175 | 8.90 | 8.46 | 0.365 | 6.43 | 6.04 | 0.348 |
| Indiana | 7.48 | 7.55 | 0.914 | 8.78a | 7.14 | 0.041 | 7.96 | 8.67 | 0.433 | 7.40 | 7.35 | 0.945 |
| Iowa | 7.01 | 7.73 | 0.186 | 7.64 | 7.58 | 0.931 | 7.77 | 8.41 | 0.455 | 6.87 | 7.61 | 0.245 |
| Kansas | 6.65 | 6.88 | 0.669 | 8.66 | 8.50 | 0.848 | 8.73 | 8.38 | 0.641 | 6.26 | 6.60 | 0.581 |
| Kentucky | 7.02 | 7.59 | 0.386 | 8.36 | 8.88 | 0.525 | 7.69 | 7.79 | 0.896 | 6.91 | 7.56 | 0.397 |
| Louisiana | 6.24 | 6.39 | 0.787 | 6.93 | 7.21 | 0.695 | 7.08 | 7.48 | 0.583 | 6.08 | 6.18 | 0.870 |
| Maine | 6.85 | 6.84 | 0.984 | 8.55 | 8.44 | 0.885 | 8.84 | 8.55 | 0.728 | 6.57 | 6.59 | 0.973 |
| Maryland | 6.09 | 6.66 | 0.370 | 7.58 | 7.55 | 0.964 | 7.63 | 7.88 | 0.756 | 5.83 | 6.46 | 0.390 |
| Massachusetts | 7.23 | 6.91 | 0.578 | 7.86 | 8.83 | 0.224 | 8.68 | 8.55 | 0.877 | 6.97 | 6.62 | 0.602 |
| Michigan | 6.90 | 6.90 | 0.997 | 8.37a | 9.61 | 0.017 | 9.20 | 9.20 | 0.998 | 6.50 | 6.50 | 0.995 |
| Minnesota | 6.85 | 6.16 | 0.217 | 7.81 | 8.85 | 0.224 | 8.56 | 8.64 | 0.925 | 6.56 | 5.74 | 0.198 |
| Mississippi | 6.39 | 6.99 | 0.321 | 7.46 | 7.30 | 0.823 | 6.53 | 7.01 | 0.494 | 6.36 | 6.99 | 0.383 |
| Missouri | 7.33 | 7.27 | 0.915 | 9.58 | 8.61 | 0.229 | 8.01 | 7.63 | 0.613 | 7.22 | 7.21 | 0.985 |
| Montana | 7.37 | 7.07 | 0.609 | 8.38 | 7.97 | 0.618 | 9.57 | 9.79 | 0.785 | 6.99 | 6.60 | 0.567 |
| Nebraska | 7.10 | 7.13 | 0.948 | 8.28 | 8.50 | 0.783 | 7.88 | 8.31 | 0.560 | 6.95 | 6.92 | 0.963 |
| Nevada | 6.97 | 6.30 | 0.277 | 7.73 | 8.61 | 0.312 | 7.27 | 7.68 | 0.604 | 6.93 | 6.08 | 0.236 |
| New Hampshire | 7.23 | 7.15 | 0.905 | 8.92 | 9.49 | 0.493 | 9.47 | 9.39 | 0.925 | 6.87 | 6.80 | 0.916 |
| New Jersey | 6.10 | 5.68 | 0.418 | 7.21 | 7.73 | 0.475 | 8.61 | 7.76 | 0.249 | 5.71 | 5.36 | 0.553 |
| New Mexico | 5.87 | 6.70 | 0.227 | 8.63 | 8.99 | 0.692 | 7.68 | 7.72 | 0.966 | 5.54 | 6.51 | 0.216 |
| New York | 6.75 | 6.58 | 0.679 | 7.84 | 7.22 | 0.200 | 7.56 | 7.81 | 0.598 | 6.60 | 6.37 | 0.607 |
| North Carolina | 6.56 | 6.30 | 0.659 | 7.45 | 7.37 | 0.913 | 7.27 | 7.60 | 0.674 | 6.44 | 6.08 | 0.595 |
| North Dakota | 6.74 | 6.33 | 0.450 | 8.24 | 7.40 | 0.294 | 7.99 | 8.15 | 0.834 | 6.46 | 5.92 | 0.418 |
| Ohio | 6.99a | 7.85 | 0.031 | 8.25 | 8.12 | 0.778 | 8.21 | 9.04 | 0.103 | 6.79b | 7.65 | 0.056 |
| Oklahoma | 7.54 | 7.35 | 0.768 | 7.85 | 8.17 | 0.697 | 9.75 | 8.50 | 0.149 | 7.13 | 7.14 | 0.995 |
| Oregon | 7.52 | 7.47 | 0.935 | 8.94 | 8.63 | 0.702 | 9.68 | 9.76 | 0.931 | 7.17 | 7.10 | 0.914 |
| Pennsylvania | 6.62 | 6.99 | 0.317 | 7.91 | 8.22 | 0.540 | 8.67 | 9.13 | 0.456 | 6.28 | 6.63 | 0.400 |
| Rhode Island | 7.95 | 6.88 | 0.120 | 8.11 | 8.07 | 0.959 | 9.33 | 8.31 | 0.265 | 7.69 | 6.61 | 0.178 |
| South Carolina | 7.36 | 7.46 | 0.890 | 8.56 | 8.13 | 0.590 | 8.73 | 7.75 | 0.208 | 7.13 | 7.41 | 0.742 |
| South Dakota | 5.95 | 6.15 | 0.716 | 8.80 | 8.87 | 0.930 | 7.32 | 8.49 | 0.149 | 5.70 | 5.73 | 0.967 |
| Tennessee | 7.35 | 7.11 | 0.692 | 8.33 | 8.27 | 0.943 | 7.78 | 7.78 | 0.998 | 7.28 | 7.00 | 0.685 |
| Texas | 6.02 | 5.89 | 0.706 | 7.96 | 7.94 | 0.965 | 7.49 | 7.53 | 0.939 | 5.74 | 5.58 | 0.685 |
| Utah | 8.18 | 8.34 | 0.804 | 8.09 | 8.36 | 0.733 | 9.31 | 9.64 | 0.680 | 7.90 | 8.03 | 0.868 |
| Vermont | 6.98 | 7.58 | 0.356 | 8.22 | 7.47 | 0.328 | 9.31 | 8.69 | 0.461 | 6.57 | 7.38 | 0.291 |
| Virginia | 6.84 | 6.94 | 0.864 | 8.37 | 8.55 | 0.823 | 8.23 | 8.70 | 0.565 | 6.60 | 6.63 | 0.963 |
| Washington | 7.58 | 8.48 | 0.168 | 8.86 | 8.82 | 0.967 | 8.98 | 9.01 | 0.972 | 7.35 | 8.39 | 0.167 |
| West Virginia | 7.63 | 7.84 | 0.750 | 8.03 | 8.39 | 0.640 | 8.08 | 7.66 | 0.593 | 7.56 | 7.87 | 0.685 |
| Wisconsin | 7.06 | 6.80 | 0.666 | 7.61 | 7.49 | 0.857 | 8.88 | 8.86 | 0.983 | 6.74 | 6.44 | 0.667 |
| Wyoming | 7.22 | 7.46 | 0.703 | 8.73 | 9.18 | 0.579 | 8.96 | 9.43 | 0.606 | 6.91 | 7.11 | 0.779 |
Comparisons between State small area estimates displayed in Tables 1 to 26 in this document are based on the 2009 through 2011 National Surveys on Drug Use and Health (NSDUHs). The moving average State prevalence estimates for the overlapping 2009-2010 and 2010-2011 time periods were obtained from independent applications of the survey-weighted hierarchical Bayes (SWHB) methodology; that is, the 2010-2011 models were fit independently of the previously fitted 2009-2010 models. This independent analysis approach was followed because there was no desire to revise the previously published 2009-2010 estimates. Moreover, the same fixed predictor variables were used in the 2009-2010 and 2010-2011 models, but annual updates were made when more current versions became available (for details, see Section B.3 in the "2010-2011 National Survey on Drug Use and Health: Guide to State Tables and Summary of Small Area Estimation Methodology" at http://www.samhsa.gov/data/NSDUH/2k11State/NSDUHsae2011/Index.aspx). The age group-specific fixed predictor variables were defined at five levels (namely, the person level, census block group level, tract level, county level, and State level). Also, each age group model had 51 State-level random effects and 300 "within-State" area-level random effects.
To estimate change in State estimates, let
and
denote 2009-2010 and 2010-2011 prevalence rates, respectively, for State-s and age group-a. The change between
and
is defined in terms of the log-odds ratio (
) as opposed to the simple difference because the posterior distribution of the
is closer to Gaussian than the posterior distribution of the simple difference (
). The
is defined as
, D
where ln denotes the natural logarithm. The p value given is computed to test the null hypothesis of no change (i.e.,
or equivalently,
= 0). An estimate of
is given by
, D
where the
are previously published 2009-2010 State estimates and the
are the 2010-2011 State estimates. To compute the variance of
that is,
let
and
then
, D
where
denotes the covariance between
and
. This covariance is defined in terms of the associated correlation as follows:
. D
Note that
and
used here to calculate
are the same variances used in calculating the previously published 2009-2010 Bayesian confidence intervals and the 2010-2011 Bayesian confidence intervals, respectively.
The correlation between
and
was obtained by simultaneously modeling the 2009, 2010, and 2011 NSDUH data. This simultaneous modeling approach was adopted based on the results of the validation study1 conducted for measuring change in the 1999-2000 and 2000-2001 State estimates. For this simultaneous model, 4 age groups (12 to 17, 18 to 25, 26 to 34, and 35 or older) by 3 years (2009, 2010, and 2011), that is, 12 subpopulation-specific models, were fitted, each with its own set of fixed and random effects. In this case, the general covariance matrices for the State and within-State random effects were 12 × 12 matrices corresponding to the 12 element (age group × year) vectors of random effects. Note that the survey-weighted, Bernoulli-type log likelihood employed in the SWHB methodology was appropriate for this simultaneous model because the 12 age group × year subpopulations were nonoverlapping. The correlation [
,
] was approximated by the correlation calculated using the posterior distributions of
and
from the simultaneous model.
To calculate the p value for testing the null hypothesis of no difference
, it is assumed that the posterior distribution of lor is normal with
and
. With the null value of
, the Bayes p value or posterior probability of no difference is
, where Z is a standard normal random variate,
and
denotes the absolute value of z.
1 See Appendix E, Section E.2, of the following report: Wright, D. (2003). State estimates of substance use from the 2001 National Household Survey on Drug Abuse: Volume II. Individual state tables and technical appendices (HHS Publication No. SMA 03-3826, NHSDA Series H-20). Rockville, MD: Substance Abuse and Mental Health Services Administration, Office of Applied Studies.
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