101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically; these estimates are based on data from original questions, excluding those on the use of over-the-counter drugs or new methamphetamine items that were 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: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 8.25 | 8.35 | 0.559 | 11.44a | 9.65 | 0.000 | 20.24 | 20.43 | 0.656 | 5.72 | 6.10 | 0.111 |
| Northeast | 8.45 | 8.85 | 0.194 | 11.87a | 9.90 | 0.000 | 23.71 | 23.92 | 0.804 | 5.58 | 6.17 | 0.114 |
| Midwest | 7.96 | 7.77 | 0.414 | 11.11a | 9.62 | 0.000 | 19.93 | 19.35 | 0.343 | 5.38 | 5.54 | 0.588 |
| South | 7.64 | 7.45 | 0.405 | 11.03a | 8.79 | 0.000 | 18.82 | 18.41 | 0.461 | 5.23 | 5.44 | 0.479 |
| West | 9.32 | 9.92 | 0.109 | 12.04a | 10.79 | 0.025 | 20.06a | 21.78 | 0.030 | 6.96 | 7.65 | 0.140 |
| Alabama | 6.62 | 7.05 | 0.517 | 9.65 | 9.17 | 0.698 | 15.94 | 18.34 | 0.188 | 4.57 | 4.87 | 0.694 |
| Alaska | 12.01 | 13.54 | 0.210 | 13.34 | 11.08 | 0.139 | 27.29 | 28.62 | 0.595 | 9.17 | 11.07 | 0.212 |
| Arizona | 8.87 | 9.45 | 0.519 | 12.61b | 10.01 | 0.077 | 18.88 | 20.69 | 0.375 | 6.53 | 7.46 | 0.385 |
| Arkansas | 7.78 | 7.82 | 0.961 | 11.72b | 9.42 | 0.086 | 21.05 | 19.09 | 0.346 | 4.89 | 5.78 | 0.294 |
| California | 9.01b | 10.00 | 0.077 | 11.44 | 10.77 | 0.434 | 18.83a | 21.79 | 0.015 | 6.86 | 7.64 | 0.261 |
| Colorado | 11.12 | 11.31 | 0.854 | 13.83 | 12.12 | 0.293 | 25.52 | 27.29 | 0.483 | 8.24 | 8.55 | 0.802 |
| Connecticut | 8.75 | 8.90 | 0.857 | 12.43 | 10.27 | 0.130 | 25.58 | 24.91 | 0.783 | 5.82 | 6.19 | 0.694 |
| Delaware | 8.74 | 8.67 | 0.932 | 13.54a | 10.42 | 0.035 | 25.77 | 25.14 | 0.788 | 5.19 | 5.71 | 0.548 |
| District of Columbia | 11.59 | 10.55 | 0.333 | 11.54 | 11.45 | 0.953 | 26.23b | 22.08 | 0.090 | 8.71 | 7.89 | 0.520 |
| Florida | 8.72 | 8.04 | 0.226 | 11.42a | 9.01 | 0.004 | 21.32a | 18.17 | 0.010 | 6.58 | 6.44 | 0.825 |
| Georgia | 7.54 | 7.91 | 0.634 | 10.43b | 8.17 | 0.074 | 17.51 | 19.69 | 0.290 | 5.31 | 5.87 | 0.535 |
| Hawaii | 8.90a | 11.88 | 0.010 | 13.97a | 10.16 | 0.033 | 19.31b | 23.48 | 0.079 | 6.56a | 10.22 | 0.009 |
| Idaho | 7.24 | 8.22 | 0.173 | 11.02 | 9.89 | 0.411 | 15.80 | 17.99 | 0.242 | 4.86 | 6.27 | 0.103 |
| Illinois | 7.50 | 7.77 | 0.556 | 10.83 | 9.85 | 0.230 | 20.22 | 18.94 | 0.266 | 4.80 | 5.47 | 0.221 |
| Indiana | 8.07 | 8.48 | 0.575 | 10.15 | 10.52 | 0.786 | 20.67 | 19.93 | 0.727 | 5.45 | 6.28 | 0.330 |
| Iowa | 6.47a | 5.29 | 0.050 | 9.22 | 9.19 | 0.982 | 15.80 | 13.21 | 0.134 | 4.33 | 3.40 | 0.190 |
| Kansas | 6.74 | 7.00 | 0.710 | 9.33 | 8.96 | 0.776 | 16.67 | 16.22 | 0.816 | 4.43 | 5.03 | 0.462 |
| Kentucky | 8.33 | 7.44 | 0.239 | 11.70a | 8.12 | 0.006 | 18.43 | 18.23 | 0.923 | 6.15 | 5.66 | 0.580 |
| Louisiana | 8.07 | 7.16 | 0.192 | 10.76a | 7.44 | 0.010 | 20.54 | 18.86 | 0.379 | 5.17 | 4.87 | 0.723 |
| Maine | 9.31b | 11.15 | 0.059 | 12.58 | 10.89 | 0.246 | 25.20 | 28.63 | 0.130 | 6.52b | 8.75 | 0.057 |
| Maryland | 7.57 | 6.83 | 0.307 | 10.76 | 9.32 | 0.261 | 22.02b | 18.10 | 0.079 | 4.85 | 4.60 | 0.751 |
| Massachusetts | 9.28b | 10.89 | 0.069 | 13.94b | 11.00 | 0.052 | 27.46 | 27.84 | 0.877 | 5.81a | 7.87 | 0.046 |
| Michigan | 9.06 | 9.49 | 0.386 | 12.80a | 10.70 | 0.012 | 21.22 | 22.37 | 0.318 | 6.42 | 7.14 | 0.240 |
| Minnesota | 7.59 | 6.90 | 0.318 | 11.59a | 8.03 | 0.007 | 19.28 | 18.73 | 0.788 | 4.91 | 4.74 | 0.829 |
| Mississippi | 6.56 | 6.19 | 0.544 | 10.59 | 8.75 | 0.158 | 16.33 | 15.02 | 0.475 | 3.98 | 4.21 | 0.748 |
| Missouri | 9.17b | 7.56 | 0.052 | 10.05 | 8.05 | 0.109 | 21.37 | 19.28 | 0.312 | 6.90 | 5.56 | 0.174 |
| Montana | 10.58 | 9.61 | 0.299 | 15.57a | 11.41 | 0.008 | 22.34 | 24.52 | 0.317 | 7.77 | 6.90 | 0.443 |
| Nebraska | 7.67 | 6.69 | 0.125 | 12.71a | 8.59 | 0.003 | 18.91 | 17.00 | 0.310 | 4.78 | 4.49 | 0.693 |
| Nevada | 10.30 | 10.00 | 0.765 | 12.46 | 12.57 | 0.947 | 22.02 | 23.26 | 0.551 | 8.17 | 7.70 | 0.701 |
| New Hampshire | 11.15 | 11.24 | 0.928 | 14.46b | 11.55 | 0.067 | 29.61 | 30.32 | 0.782 | 7.82 | 8.29 | 0.696 |
| New Jersey | 6.97 | 6.78 | 0.767 | 10.42 | 8.37 | 0.133 | 21.36 | 20.48 | 0.684 | 4.48 | 4.46 | 0.975 |
| New Mexico | 10.00 | 9.07 | 0.340 | 14.16 | 12.38 | 0.306 | 22.17 | 19.12 | 0.173 | 7.08 | 6.78 | 0.800 |
| New York | 8.90 | 9.75 | 0.121 | 11.68 | 10.54 | 0.202 | 23.89 | 26.01 | 0.117 | 6.07 | 6.73 | 0.315 |
| North Carolina | 7.92 | 8.15 | 0.755 | 13.62a | 10.29 | 0.021 | 20.35 | 20.02 | 0.872 | 5.09 | 5.97 | 0.300 |
| North Dakota | 7.22a | 5.60 | 0.018 | 11.64a | 7.66 | 0.002 | 18.02a | 12.55 | 0.002 | 4.35 | 3.80 | 0.489 |
| Ohio | 8.04 | 7.53 | 0.262 | 11.39b | 9.88 | 0.057 | 20.64 | 19.91 | 0.530 | 5.42 | 5.20 | 0.694 |
| Oklahoma | 8.58 | 8.94 | 0.698 | 12.23b | 9.49 | 0.071 | 18.97 | 19.43 | 0.828 | 6.06 | 6.96 | 0.424 |
| Oregon | 10.84 | 12.33 | 0.163 | 12.30 | 12.31 | 0.995 | 24.72 | 27.85 | 0.180 | 8.30 | 9.92 | 0.204 |
| Pennsylvania | 7.50b | 6.77 | 0.089 | 11.28a | 8.68 | 0.000 | 20.54a | 18.03 | 0.029 | 4.91 | 4.68 | 0.665 |
| Rhode Island | 10.95 | 12.69 | 0.116 | 13.25 | 12.91 | 0.847 | 32.44 | 30.09 | 0.381 | 6.75a | 9.40 | 0.043 |
| South Carolina | 7.23a | 8.92 | 0.034 | 11.05 | 9.17 | 0.173 | 19.54 | 20.47 | 0.655 | 4.54a | 7.00 | 0.008 |
| South Dakota | 7.15 | 6.17 | 0.136 | 13.26a | 9.44 | 0.012 | 17.92 | 15.11 | 0.138 | 4.13 | 4.14 | 0.986 |
| Tennessee | 6.70 | 7.49 | 0.270 | 9.23 | 7.96 | 0.295 | 16.16b | 19.59 | 0.095 | 4.78 | 5.58 | 0.337 |
| Texas | 6.97 | 6.66 | 0.449 | 10.18a | 8.41 | 0.027 | 16.54 | 16.97 | 0.696 | 4.59 | 4.47 | 0.813 |
| Utah | 6.32 | 6.25 | 0.917 | 8.76 | 8.12 | 0.605 | 12.69 | 13.18 | 0.778 | 4.00 | 4.22 | 0.775 |
| Vermont | 10.96 | 12.34 | 0.201 | 16.67a | 11.89 | 0.004 | 29.58 | 32.72 | 0.232 | 6.99 | 9.06 | 0.105 |
| Virginia | 7.68a | 6.21 | 0.026 | 11.88a | 8.69 | 0.022 | 20.53b | 17.10 | 0.077 | 5.03 | 4.05 | 0.204 |
| Washington | 9.96 | 9.09 | 0.330 | 13.49a | 10.27 | 0.027 | 24.65a | 20.03 | 0.038 | 6.96 | 7.18 | 0.836 |
| West Virginia | 6.61b | 7.85 | 0.068 | 11.70b | 9.29 | 0.077 | 17.37b | 21.21 | 0.057 | 4.29b | 5.76 | 0.052 |
| Wisconsin | 7.48 | 7.96 | 0.483 | 10.73 | 9.70 | 0.449 | 18.85 | 21.26 | 0.238 | 4.98 | 5.50 | 0.514 |
| Wyoming | 7.51 | 6.42 | 0.112 | 10.05 | 10.17 | 0.932 | 18.36 | 17.36 | 0.625 | 5.07 | 4.02 | 0.171 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 10.78 | 10.82 | 0.827 | 15.38a | 13.28 | 0.000 | 29.13 | 29.08 | 0.927 | 6.95b | 7.36 | 0.074 |
| Northeast | 11.69 | 11.69 | 0.995 | 16.39a | 13.90 | 0.000 | 33.77 | 33.89 | 0.897 | 7.58 | 7.67 | 0.818 |
| Midwest | 10.80b | 10.34 | 0.070 | 15.46a | 12.80 | 0.000 | 29.83b | 28.43 | 0.053 | 6.75 | 6.91 | 0.599 |
| South | 9.62 | 9.58 | 0.878 | 14.64a | 12.01 | 0.000 | 25.90 | 25.25 | 0.331 | 6.09b | 6.63 | 0.061 |
| West | 11.84b | 12.54 | 0.063 | 15.63 | 15.22 | 0.541 | 29.86a | 31.75 | 0.047 | 7.99 | 8.70 | 0.116 |
| Alabama | 8.35 | 8.51 | 0.820 | 12.75b | 10.09 | 0.059 | 23.79 | 22.58 | 0.555 | 5.03 | 5.93 | 0.249 |
| Alaska | 16.65 | 16.29 | 0.787 | 18.87 | 15.87 | 0.110 | 38.90 | 35.44 | 0.200 | 12.46 | 12.75 | 0.856 |
| Arizona | 10.48 | 10.86 | 0.651 | 16.96 | 14.25 | 0.143 | 27.54 | 29.25 | 0.489 | 6.46 | 7.29 | 0.347 |
| Arkansas | 10.22 | 10.77 | 0.523 | 15.76a | 12.26 | 0.029 | 28.89 | 27.51 | 0.576 | 6.15b | 7.86 | 0.071 |
| California | 11.33a | 12.88 | 0.007 | 14.11 | 15.07 | 0.332 | 28.29a | 32.07 | 0.007 | 7.81 | 8.90 | 0.112 |
| Colorado | 15.08 | 15.09 | 0.994 | 19.55 | 18.55 | 0.619 | 36.57 | 38.50 | 0.463 | 10.73 | 10.77 | 0.977 |
| Connecticut | 11.78 | 12.53 | 0.411 | 17.58 | 15.89 | 0.363 | 38.82 | 36.95 | 0.492 | 7.09 | 8.24 | 0.253 |
| Delaware | 11.65 | 11.86 | 0.816 | 18.20 | 15.50 | 0.146 | 33.24 | 35.93 | 0.287 | 7.09 | 7.41 | 0.751 |
| District of Columbia | 15.09 | 14.29 | 0.516 | 14.83 | 14.66 | 0.922 | 37.61b | 33.06 | 0.094 | 10.68 | 10.05 | 0.653 |
| Florida | 11.36a | 10.10 | 0.037 | 16.13a | 12.87 | 0.001 | 29.83a | 26.46 | 0.017 | 8.13 | 7.38 | 0.276 |
| Georgia | 9.61b | 11.07 | 0.080 | 14.20 | 12.66 | 0.328 | 23.85 | 26.57 | 0.230 | 6.36a | 8.21 | 0.044 |
| Hawaii | 11.56 | 12.01 | 0.685 | 18.09b | 14.39 | 0.074 | 30.20 | 31.08 | 0.752 | 7.70 | 8.70 | 0.426 |
| Idaho | 9.26b | 10.68 | 0.063 | 14.63 | 13.47 | 0.484 | 24.37 | 28.14 | 0.105 | 5.27a | 7.21 | 0.019 |
| Illinois | 9.99 | 10.54 | 0.275 | 14.46 | 13.31 | 0.230 | 29.61 | 27.86 | 0.192 | 5.90b | 7.04 | 0.054 |
| Indiana | 10.33 | 10.30 | 0.971 | 13.95 | 12.93 | 0.523 | 28.44 | 27.22 | 0.599 | 6.48 | 7.10 | 0.481 |
| Iowa | 9.32a | 7.66 | 0.020 | 13.39 | 11.64 | 0.270 | 25.88a | 20.35 | 0.012 | 5.63 | 4.92 | 0.342 |
| Kansas | 9.08 | 9.43 | 0.657 | 13.24 | 12.01 | 0.423 | 25.44 | 25.50 | 0.981 | 5.29 | 6.08 | 0.334 |
| Kentucky | 10.30a | 8.86 | 0.049 | 16.32a | 10.89 | 0.000 | 26.21 | 24.59 | 0.446 | 6.78 | 6.15 | 0.426 |
| Louisiana | 9.82b | 8.59 | 0.092 | 13.02a | 9.76 | 0.020 | 27.52b | 23.31 | 0.054 | 5.78 | 5.59 | 0.812 |
| Maine | 12.34 | 13.56 | 0.216 | 18.76a | 14.17 | 0.009 | 37.34 | 39.65 | 0.369 | 7.80b | 9.87 | 0.064 |
| Maryland | 10.54 | 10.20 | 0.688 | 14.75 | 13.36 | 0.408 | 30.31 | 28.93 | 0.586 | 6.84 | 6.63 | 0.815 |
| Massachusetts | 15.45 | 14.55 | 0.427 | 20.15a | 16.38 | 0.041 | 38.19 | 40.19 | 0.454 | 11.24 | 9.79 | 0.255 |
| Michigan | 12.61 | 12.16 | 0.427 | 17.03a | 14.13 | 0.002 | 32.38 | 32.26 | 0.927 | 8.55 | 8.49 | 0.926 |
| Minnesota | 11.40 | 10.37 | 0.224 | 17.30a | 11.20 | 0.000 | 30.34 | 29.90 | 0.862 | 7.13 | 6.94 | 0.837 |
| Mississippi | 7.98 | 7.92 | 0.931 | 11.01 | 9.91 | 0.423 | 22.06 | 20.32 | 0.403 | 4.68 | 5.36 | 0.349 |
| Missouri | 11.91a | 9.66 | 0.006 | 16.15a | 11.45 | 0.002 | 31.48b | 26.98 | 0.051 | 7.87 | 6.57 | 0.150 |
| Montana | 13.83 | 12.21 | 0.103 | 21.07a | 15.51 | 0.002 | 35.15 | 34.80 | 0.890 | 9.00 | 8.04 | 0.384 |
| Nebraska | 10.39 | 9.21 | 0.127 | 16.42a | 10.79 | 0.000 | 27.17 | 24.51 | 0.270 | 6.29 | 6.10 | 0.821 |
| Nevada | 12.01 | 11.09 | 0.336 | 19.67b | 16.40 | 0.089 | 29.02 | 28.99 | 0.991 | 8.31 | 7.76 | 0.596 |
| New Hampshire | 16.30 | 14.88 | 0.263 | 20.52a | 16.58 | 0.049 | 44.61 | 41.82 | 0.297 | 11.31 | 10.56 | 0.613 |
| New Jersey | 8.64 | 9.20 | 0.426 | 14.03 | 11.65 | 0.131 | 29.40 | 30.03 | 0.796 | 5.00 | 5.68 | 0.339 |
| New Mexico | 12.30 | 10.95 | 0.146 | 19.03 | 16.79 | 0.274 | 33.80b | 29.08 | 0.092 | 7.24 | 6.84 | 0.685 |
| New York | 12.22 | 12.83 | 0.309 | 15.98 | 14.88 | 0.298 | 33.60b | 36.37 | 0.061 | 8.20 | 8.34 | 0.843 |
| North Carolina | 9.83 | 10.49 | 0.408 | 16.97a | 13.42 | 0.034 | 26.70 | 28.31 | 0.493 | 6.05 | 7.26 | 0.172 |
| North Dakota | 9.81a | 8.32 | 0.048 | 16.18a | 9.43 | 0.000 | 28.80a | 22.89 | 0.015 | 4.95 | 4.93 | 0.982 |
| Ohio | 10.91b | 10.05 | 0.079 | 15.33a | 12.92 | 0.011 | 30.34 | 29.41 | 0.486 | 6.96 | 6.51 | 0.421 |
| Oklahoma | 9.50 | 10.19 | 0.390 | 15.34 | 12.62 | 0.114 | 25.47 | 24.90 | 0.807 | 5.60b | 7.20 | 0.066 |
| Oregon | 13.78 | 14.45 | 0.530 | 17.38 | 18.29 | 0.643 | 36.44 | 37.35 | 0.722 | 9.47 | 10.46 | 0.418 |
| Pennsylvania | 9.88a | 8.90 | 0.044 | 15.24a | 11.48 | 0.000 | 29.95a | 25.39 | 0.001 | 5.95 | 5.88 | 0.904 |
| Rhode Island | 15.22 | 14.32 | 0.424 | 18.29 | 16.35 | 0.324 | 45.71a | 39.43 | 0.029 | 9.29 | 9.36 | 0.952 |
| South Carolina | 9.67 | 9.36 | 0.687 | 13.44 | 11.75 | 0.260 | 27.75 | 25.58 | 0.344 | 5.96 | 6.41 | 0.599 |
| South Dakota | 9.83 | 9.01 | 0.276 | 17.65a | 12.00 | 0.001 | 28.35 | 25.73 | 0.258 | 5.02 | 5.61 | 0.449 |
| Tennessee | 7.36a | 9.63 | 0.003 | 12.15 | 10.50 | 0.263 | 21.07a | 26.26 | 0.026 | 4.44a | 6.98 | 0.002 |
| Texas | 8.56 | 8.30 | 0.544 | 13.91a | 11.22 | 0.002 | 22.28 | 21.96 | 0.791 | 5.01 | 5.30 | 0.551 |
| Utah | 8.17 | 7.17 | 0.168 | 11.08 | 9.65 | 0.326 | 20.77 | 17.52 | 0.116 | 3.93 | 4.17 | 0.736 |
| Vermont | 15.93 | 15.97 | 0.974 | 22.69a | 16.64 | 0.003 | 44.56 | 45.02 | 0.865 | 10.10 | 11.15 | 0.430 |
| Virginia | 9.69 | 9.79 | 0.891 | 15.47 | 13.77 | 0.297 | 29.57 | 26.94 | 0.259 | 5.68 | 6.39 | 0.391 |
| Washington | 13.50 | 12.84 | 0.487 | 17.64 | 15.28 | 0.190 | 36.16 | 34.07 | 0.410 | 9.05 | 9.13 | 0.939 |
| West Virginia | 9.16 | 9.62 | 0.547 | 16.92a | 11.97 | 0.003 | 27.87 | 26.60 | 0.588 | 5.24a | 6.92 | 0.041 |
| Wisconsin | 10.01 | 10.66 | 0.403 | 15.84 | 13.82 | 0.233 | 30.00 | 31.04 | 0.656 | 5.61 | 6.83 | 0.145 |
| Wyoming | 10.45 | 9.89 | 0.516 | 14.46 | 14.23 | 0.896 | 28.79 | 27.11 | 0.487 | 6.38 | 6.30 | 0.931 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 6.18 | 6.36 | 0.201 | 8.03a | 6.98 | 0.000 | 17.17 | 17.30 | 0.765 | 4.01a | 4.40 | 0.035 |
| Northeast | 6.78 | 6.98 | 0.418 | 8.84a | 7.74 | 0.009 | 21.00 | 21.06 | 0.935 | 4.26 | 4.51 | 0.398 |
| Midwest | 6.14 | 6.07 | 0.720 | 8.17a | 7.00 | 0.000 | 17.21 | 16.51 | 0.231 | 3.88 | 4.15 | 0.244 |
| South | 5.49 | 5.46 | 0.851 | 7.40a | 6.04 | 0.000 | 15.32 | 15.11 | 0.712 | 3.51 | 3.75 | 0.254 |
| West | 6.81a | 7.58 | 0.016 | 8.22 | 7.85 | 0.429 | 17.05b | 18.43 | 0.075 | 4.73a | 5.58 | 0.030 |
| Alabama | 4.32 | 5.06 | 0.139 | 6.37 | 5.69 | 0.489 | 12.47 | 14.48 | 0.230 | 2.60 | 3.38 | 0.162 |
| Alaska | 9.78 | 11.53 | 0.122 | 11.08 | 9.18 | 0.199 | 23.99 | 25.21 | 0.603 | 7.14 | 9.31 | 0.127 |
| Arizona | 5.68 | 6.70 | 0.124 | 7.74 | 7.26 | 0.682 | 15.18 | 17.07 | 0.322 | 3.67 | 4.86 | 0.108 |
| Arkansas | 5.63 | 6.07 | 0.470 | 7.97 | 6.69 | 0.238 | 16.48 | 16.10 | 0.844 | 3.39 | 4.36 | 0.154 |
| California | 6.50a | 7.68 | 0.015 | 7.66 | 7.68 | 0.974 | 16.09a | 18.67 | 0.026 | 4.57b | 5.57 | 0.083 |
| Colorado | 8.49 | 9.82 | 0.151 | 9.82 | 10.19 | 0.796 | 21.67 | 24.31 | 0.234 | 6.01 | 7.36 | 0.204 |
| Connecticut | 6.94 | 7.24 | 0.661 | 9.22 | 8.37 | 0.498 | 23.62 | 22.52 | 0.631 | 4.22 | 4.68 | 0.543 |
| Delaware | 6.89 | 6.98 | 0.880 | 9.41 | 7.49 | 0.102 | 22.06 | 22.54 | 0.839 | 3.96 | 4.33 | 0.573 |
| District of Columbia | 9.60 | 8.51 | 0.249 | 7.43 | 7.51 | 0.948 | 24.14b | 19.51 | 0.067 | 6.93 | 6.15 | 0.471 |
| Florida | 6.58b | 5.79 | 0.083 | 8.52a | 6.28 | 0.002 | 17.68a | 15.13 | 0.025 | 4.75 | 4.36 | 0.455 |
| Georgia | 4.93b | 6.06 | 0.051 | 6.87 | 5.49 | 0.166 | 13.01 | 15.88 | 0.118 | 3.18a | 4.47 | 0.045 |
| Hawaii | 6.95 | 8.48 | 0.117 | 10.23b | 7.75 | 0.088 | 17.00 | 19.08 | 0.368 | 4.90b | 6.87 | 0.089 |
| Idaho | 5.09 | 5.91 | 0.161 | 7.92 | 7.44 | 0.660 | 12.47 | 14.13 | 0.329 | 3.10b | 4.25 | 0.083 |
| Illinois | 5.60 | 5.89 | 0.418 | 7.61 | 7.26 | 0.604 | 17.43 | 16.16 | 0.243 | 3.23 | 3.86 | 0.143 |
| Indiana | 6.12 | 6.11 | 0.976 | 7.37 | 7.23 | 0.898 | 17.19 | 16.47 | 0.720 | 3.91 | 4.21 | 0.664 |
| Iowa | 4.90 | 4.46 | 0.398 | 7.10 | 6.84 | 0.809 | 13.14 | 11.54 | 0.325 | 3.04 | 2.92 | 0.819 |
| Kansas | 4.91 | 5.03 | 0.824 | 7.39 | 5.95 | 0.156 | 13.92 | 12.94 | 0.553 | 2.79 | 3.43 | 0.262 |
| Kentucky | 5.62 | 4.81 | 0.146 | 8.16a | 5.23 | 0.005 | 14.15 | 14.19 | 0.982 | 3.82 | 3.29 | 0.380 |
| Louisiana | 5.77 | 5.16 | 0.261 | 6.92a | 4.81 | 0.034 | 17.04 | 15.20 | 0.314 | 3.33 | 3.27 | 0.926 |
| Maine | 7.95a | 9.88 | 0.041 | 10.56 | 8.45 | 0.123 | 23.22 | 26.15 | 0.206 | 5.33a | 7.77 | 0.028 |
| Maryland | 5.73 | 5.41 | 0.574 | 7.87 | 6.86 | 0.380 | 19.43 | 16.28 | 0.121 | 3.27 | 3.39 | 0.834 |
| Massachusetts | 7.80 | 8.70 | 0.226 | 10.53 | 9.05 | 0.251 | 24.54 | 24.79 | 0.914 | 4.79 | 5.80 | 0.227 |
| Michigan | 7.20 | 7.51 | 0.507 | 9.23b | 7.85 | 0.051 | 18.49 | 18.90 | 0.698 | 4.95 | 5.53 | 0.305 |
| Minnesota | 6.37 | 5.97 | 0.510 | 8.92a | 5.58 | 0.002 | 17.49 | 16.98 | 0.791 | 4.00 | 4.14 | 0.840 |
| Mississippi | 4.64 | 4.49 | 0.766 | 6.04 | 4.99 | 0.261 | 12.99 | 11.57 | 0.392 | 2.74 | 3.11 | 0.522 |
| Missouri | 6.76 | 5.94 | 0.221 | 7.43b | 5.71 | 0.077 | 18.55 | 16.86 | 0.393 | 4.59 | 4.18 | 0.575 |
| Montana | 9.17 | 8.12 | 0.260 | 12.07a | 8.80 | 0.016 | 20.66 | 22.11 | 0.504 | 6.71 | 5.70 | 0.348 |
| Nebraska | 5.97 | 5.36 | 0.304 | 9.13a | 6.05 | 0.007 | 15.61 | 14.58 | 0.576 | 3.66 | 3.53 | 0.837 |
| Nevada | 7.62 | 6.99 | 0.417 | 9.58 | 8.97 | 0.646 | 18.29 | 18.31 | 0.991 | 5.68 | 5.06 | 0.479 |
| New Hampshire | 10.23 | 9.67 | 0.582 | 11.79 | 9.67 | 0.143 | 27.31 | 27.39 | 0.971 | 7.36 | 6.95 | 0.739 |
| New Jersey | 5.05 | 5.02 | 0.961 | 7.33 | 6.12 | 0.272 | 17.89 | 17.39 | 0.804 | 2.93 | 2.98 | 0.931 |
| New Mexico | 7.37 | 6.58 | 0.294 | 10.35 | 9.22 | 0.435 | 18.98 | 15.73 | 0.118 | 4.74 | 4.55 | 0.819 |
| New York | 7.34 | 7.74 | 0.360 | 8.76 | 8.49 | 0.727 | 21.44 | 23.14 | 0.166 | 4.82 | 4.88 | 0.907 |
| North Carolina | 5.89 | 6.27 | 0.532 | 8.44 | 7.13 | 0.226 | 17.22 | 16.75 | 0.799 | 3.66 | 4.46 | 0.232 |
| North Dakota | 5.35 | 4.68 | 0.248 | 7.58a | 5.02 | 0.011 | 15.35a | 10.65 | 0.007 | 2.94 | 3.30 | 0.576 |
| Ohio | 6.49 | 5.95 | 0.151 | 8.74b | 7.60 | 0.096 | 18.22 | 17.27 | 0.369 | 4.17 | 3.88 | 0.514 |
| Oklahoma | 5.58 | 5.61 | 0.964 | 8.13b | 6.25 | 0.090 | 15.51 | 14.09 | 0.445 | 3.31 | 3.98 | 0.308 |
| Oregon | 8.88 | 9.30 | 0.664 | 9.31 | 8.69 | 0.612 | 22.17 | 23.84 | 0.449 | 6.57 | 7.12 | 0.626 |
| Pennsylvania | 5.64 | 5.12 | 0.133 | 8.18a | 6.38 | 0.004 | 17.66a | 15.27 | 0.024 | 3.37 | 3.30 | 0.852 |
| Rhode Island | 9.56 | 9.98 | 0.656 | 10.86 | 9.11 | 0.226 | 29.93 | 27.09 | 0.297 | 5.70 | 6.87 | 0.270 |
| South Carolina | 5.65 | 5.92 | 0.657 | 7.25b | 5.51 | 0.084 | 16.46 | 16.84 | 0.840 | 3.52 | 4.18 | 0.321 |
| South Dakota | 5.24 | 5.15 | 0.878 | 9.57a | 6.60 | 0.018 | 14.66 | 13.57 | 0.530 | 2.74 | 3.44 | 0.286 |
| Tennessee | 4.59 | 5.45 | 0.111 | 6.37 | 5.22 | 0.213 | 13.40b | 16.66 | 0.098 | 2.88 | 3.75 | 0.126 |
| Texas | 4.79 | 4.73 | 0.866 | 6.38 | 6.11 | 0.678 | 12.86 | 13.40 | 0.590 | 2.95 | 2.90 | 0.890 |
| Utah | 4.00 | 3.56 | 0.346 | 5.30 | 4.73 | 0.545 | 9.53 | 8.06 | 0.331 | 2.15 | 2.25 | 0.842 |
| Vermont | 9.77 | 10.83 | 0.307 | 13.32a | 9.73 | 0.019 | 26.95 | 30.56 | 0.137 | 6.34 | 7.74 | 0.256 |
| Virginia | 5.96 | 5.31 | 0.255 | 8.43b | 6.33 | 0.063 | 17.70 | 15.55 | 0.242 | 3.73 | 3.44 | 0.647 |
| Washington | 7.41 | 7.23 | 0.804 | 9.11 | 7.73 | 0.256 | 21.22b | 17.18 | 0.055 | 4.82 | 5.57 | 0.361 |
| West Virginia | 5.12 | 5.51 | 0.494 | 8.62a | 5.73 | 0.006 | 14.67 | 17.34 | 0.144 | 3.17 | 3.78 | 0.332 |
| Wisconsin | 5.40 | 6.21 | 0.154 | 7.71 | 7.19 | 0.648 | 15.98 | 17.42 | 0.431 | 3.18 | 4.20 | 0.103 |
| Wyoming | 5.45 | 5.41 | 0.949 | 7.14 | 7.51 | 0.738 | 15.59 | 15.36 | 0.902 | 3.27 | 3.38 | 0.862 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 39.05a | 36.06 | 0.000 | 33.66a | 32.28 | 0.001 | 24.19a | 21.75 | 0.000 | 42.38a | 39.01 | 0.000 |
| Northeast | 36.36a | 34.19 | 0.002 | 30.73 | 30.32 | 0.616 | 20.56b | 19.24 | 0.082 | 39.58a | 37.18 | 0.007 |
| Midwest | 38.02a | 34.25 | 0.000 | 33.94 | 33.06 | 0.155 | 22.41a | 20.03 | 0.000 | 41.39a | 36.86 | 0.000 |
| South | 43.56a | 40.03 | 0.000 | 35.89 | 34.85 | 0.115 | 27.51a | 24.43 | 0.000 | 47.40a | 43.33 | 0.000 |
| West | 35.24a | 32.98 | 0.002 | 32.25a | 29.09 | 0.000 | 23.64a | 21.23 | 0.003 | 37.80a | 35.64 | 0.019 |
| Alabama | 48.47a | 41.10 | 0.000 | 39.58 | 39.75 | 0.946 | 30.97 | 28.74 | 0.339 | 52.76a | 43.37 | 0.000 |
| Alaska | 27.54 | 27.77 | 0.902 | 25.38 | 27.96 | 0.333 | 17.53 | 17.09 | 0.830 | 29.65 | 29.76 | 0.963 |
| Arizona | 40.53a | 34.87 | 0.006 | 34.76a | 28.76 | 0.027 | 26.48b | 22.74 | 0.087 | 43.90a | 37.75 | 0.018 |
| Arkansas | 46.86a | 39.83 | 0.001 | 39.51 | 36.76 | 0.307 | 27.94a | 22.96 | 0.025 | 51.23a | 42.96 | 0.002 |
| California | 36.63b | 34.56 | 0.065 | 32.86a | 28.19 | 0.001 | 25.51a | 22.49 | 0.016 | 39.22 | 37.76 | 0.312 |
| Colorado | 28.74 | 26.77 | 0.290 | 28.97 | 25.15 | 0.110 | 17.51 | 14.95 | 0.170 | 30.67 | 28.94 | 0.457 |
| Connecticut | 34.36 | 33.12 | 0.553 | 27.71 | 28.63 | 0.724 | 17.99 | 17.81 | 0.924 | 37.62 | 36.10 | 0.558 |
| Delaware | 37.95a | 33.60 | 0.034 | 30.07 | 30.69 | 0.801 | 22.13b | 18.58 | 0.074 | 41.69a | 36.46 | 0.039 |
| District of Columbia | 33.64a | 29.12 | 0.025 | 28.14 | 27.67 | 0.872 | 19.51 | 16.89 | 0.214 | 36.90b | 32.00 | 0.052 |
| Florida | 42.60 | 42.30 | 0.808 | 34.48 | 34.09 | 0.785 | 26.92 | 24.94 | 0.112 | 45.82 | 45.76 | 0.964 |
| Georgia | 44.17a | 35.51 | 0.000 | 35.25b | 30.51 | 0.053 | 30.63a | 20.24 | 0.000 | 47.92a | 38.81 | 0.000 |
| Hawaii | 34.25 | 33.85 | 0.848 | 29.60 | 29.25 | 0.894 | 24.59 | 21.66 | 0.228 | 36.43 | 36.31 | 0.965 |
| Idaho | 38.60a | 33.56 | 0.007 | 36.63 | 33.84 | 0.259 | 26.41a | 21.11 | 0.013 | 41.44a | 35.71 | 0.015 |
| Illinois | 38.54a | 36.10 | 0.033 | 33.22 | 32.75 | 0.734 | 22.90 | 22.30 | 0.632 | 42.05a | 39.04 | 0.039 |
| Indiana | 41.91a | 35.30 | 0.001 | 36.55 | 33.51 | 0.228 | 24.32b | 20.33 | 0.057 | 45.90a | 38.06 | 0.001 |
| Iowa | 44.24a | 35.30 | 0.000 | 40.63 | 37.15 | 0.174 | 26.80a | 20.30 | 0.002 | 48.03a | 37.72 | 0.000 |
| Kansas | 42.85a | 36.84 | 0.004 | 38.79b | 34.29 | 0.089 | 24.23b | 20.60 | 0.089 | 47.07a | 40.21 | 0.010 |
| Kentucky | 41.86 | 41.46 | 0.848 | 38.83 | 39.32 | 0.850 | 26.11 | 24.39 | 0.445 | 44.97 | 44.39 | 0.819 |
| Louisiana | 45.73b | 41.92 | 0.061 | 37.94 | 38.75 | 0.763 | 25.31 | 26.14 | 0.694 | 51.01a | 45.39 | 0.031 |
| Maine | 31.33 | 28.15 | 0.114 | 26.71 | 29.10 | 0.306 | 14.91 | 14.98 | 0.969 | 34.37b | 29.87 | 0.067 |
| Maryland | 35.62 | 35.09 | 0.797 | 30.86 | 31.85 | 0.684 | 22.51 | 20.60 | 0.404 | 38.35 | 37.96 | 0.879 |
| Massachusetts | 26.82 | 25.60 | 0.508 | 26.76 | 24.38 | 0.303 | 15.07 | 13.42 | 0.350 | 28.70 | 27.90 | 0.724 |
| Michigan | 35.94a | 31.58 | 0.000 | 32.43 | 31.48 | 0.467 | 20.12a | 17.60 | 0.016 | 39.19a | 33.97 | 0.000 |
| Minnesota | 31.11 | 28.49 | 0.174 | 29.53 | 28.74 | 0.726 | 18.15 | 17.25 | 0.639 | 33.69 | 30.38 | 0.173 |
| Mississippi | 49.33 | 47.33 | 0.327 | 38.60 | 40.89 | 0.401 | 31.44 | 29.84 | 0.526 | 54.57 | 51.46 | 0.227 |
| Missouri | 36.69 | 36.12 | 0.776 | 33.96 | 35.06 | 0.645 | 22.99 | 21.67 | 0.543 | 39.49 | 38.63 | 0.733 |
| Montana | 33.27 | 31.06 | 0.259 | 28.46 | 29.35 | 0.703 | 18.13 | 16.42 | 0.350 | 36.66 | 33.71 | 0.230 |
| Nebraska | 41.65a | 36.94 | 0.021 | 33.50b | 37.89 | 0.093 | 27.59a | 19.29 | 0.000 | 45.53a | 40.16 | 0.037 |
| Nevada | 34.02 | 35.03 | 0.622 | 33.52 | 30.73 | 0.261 | 22.76 | 22.87 | 0.959 | 35.86 | 37.38 | 0.540 |
| New Hampshire | 28.34 | 25.34 | 0.125 | 22.61 | 23.39 | 0.728 | 12.94 | 12.37 | 0.725 | 31.53 | 27.56 | 0.105 |
| New Jersey | 41.79a | 36.24 | 0.012 | 35.58a | 29.41 | 0.015 | 23.13a | 18.57 | 0.030 | 45.25a | 39.82 | 0.047 |
| New Mexico | 39.36 | 39.23 | 0.952 | 30.44 | 30.99 | 0.834 | 23.00 | 23.16 | 0.944 | 43.80 | 43.28 | 0.846 |
| New York | 36.10b | 34.04 | 0.087 | 30.29 | 28.74 | 0.254 | 22.59a | 18.90 | 0.003 | 39.08 | 37.41 | 0.274 |
| North Carolina | 44.10a | 34.07 | 0.000 | 36.16a | 29.94 | 0.014 | 25.34b | 21.64 | 0.085 | 48.29a | 36.59 | 0.000 |
| North Dakota | 38.86 | 35.90 | 0.134 | 34.58 | 36.09 | 0.543 | 24.34b | 20.55 | 0.076 | 42.50 | 39.32 | 0.206 |
| Ohio | 39.30a | 34.21 | 0.000 | 35.11b | 32.74 | 0.078 | 23.10a | 19.57 | 0.002 | 42.66a | 36.80 | 0.000 |
| Oklahoma | 42.65a | 37.68 | 0.025 | 35.17 | 37.92 | 0.307 | 27.13 | 24.71 | 0.318 | 46.70a | 40.01 | 0.016 |
| Oregon | 30.98a | 26.83 | 0.033 | 28.97 | 26.52 | 0.309 | 16.99 | 15.22 | 0.329 | 33.61a | 28.66 | 0.040 |
| Pennsylvania | 40.78 | 40.35 | 0.715 | 32.97a | 38.33 | 0.000 | 21.48a | 25.86 | 0.000 | 44.91 | 42.97 | 0.191 |
| Rhode Island | 31.91b | 28.52 | 0.100 | 25.90 | 28.44 | 0.306 | 16.38 | 14.33 | 0.271 | 35.48b | 31.20 | 0.097 |
| South Carolina | 43.44 | 40.30 | 0.139 | 36.41 | 34.06 | 0.334 | 24.77 | 23.33 | 0.506 | 47.68 | 43.84 | 0.145 |
| South Dakota | 37.53 | 37.83 | 0.875 | 35.30 | 35.51 | 0.937 | 21.83 | 22.49 | 0.750 | 40.94 | 40.90 | 0.988 |
| Tennessee | 42.06 | 39.38 | 0.184 | 35.74 | 34.89 | 0.739 | 26.26a | 20.40 | 0.007 | 45.53 | 42.83 | 0.279 |
| Texas | 45.42 | 44.36 | 0.327 | 36.30 | 37.04 | 0.597 | 30.65b | 28.26 | 0.066 | 49.77 | 48.46 | 0.355 |
| Utah | 42.42a | 38.27 | 0.027 | 42.42 | 43.33 | 0.748 | 29.72 | 27.33 | 0.322 | 46.15a | 40.16 | 0.017 |
| Vermont | 27.52 | 25.35 | 0.263 | 23.08 | 23.95 | 0.690 | 12.08 | 11.73 | 0.815 | 30.78 | 27.73 | 0.211 |
| Virginia | 40.45a | 34.60 | 0.004 | 36.17a | 30.82 | 0.031 | 23.35 | 21.55 | 0.379 | 43.80a | 37.28 | 0.010 |
| Washington | 26.80 | 26.33 | 0.790 | 26.99 | 29.05 | 0.377 | 16.30 | 16.57 | 0.884 | 28.57 | 27.57 | 0.642 |
| West Virginia | 46.64 | 43.99 | 0.225 | 33.04a | 38.22 | 0.042 | 25.76 | 24.04 | 0.432 | 51.58 | 47.48 | 0.125 |
| Wisconsin | 34.52 | 33.77 | 0.718 | 31.12 | 33.75 | 0.292 | 19.86 | 19.79 | 0.971 | 37.63 | 36.13 | 0.561 |
| Wyoming | 38.88 | 35.63 | 0.109 | 34.88b | 39.60 | 0.096 | 21.04 | 21.59 | 0.783 | 42.85a | 37.62 | 0.043 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Average annual marijuana initiation rate = 100 * {[ ÷ (0.5 * + )] ÷ 2}, where is the number of marijuana initiates in the past 24 months and is the number of persons who never used marijuana. Both of the computation components, and , 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 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 1.81b | 1.73 | 0.094 | 6.57a | 5.70 | 0.000 | 6.82 | 6.98 | 0.507 | 0.13 | 0.12 | 0.978 |
| Northeast | 1.85b | 1.73 | 0.093 | 7.10a | 5.75 | 0.000 | 7.75 | 7.55 | 0.649 | 0.12 | 0.12 | 0.960 |
| Midwest | 1.88b | 1.78 | 0.099 | 6.47a | 5.56 | 0.000 | 7.35 | 7.36 | 0.964 | 0.13 | 0.12 | 0.790 |
| South | 1.70a | 1.55 | 0.009 | 6.50a | 5.20 | 0.000 | 6.25 | 6.27 | 0.943 | 0.12 | 0.12 | 0.865 |
| West | 1.89 | 2.00 | 0.238 | 6.38 | 6.57 | 0.564 | 6.58b | 7.35 | 0.091 | 0.15 | 0.14 | 0.860 |
| Alabama | 1.55 | 1.36 | 0.212 | 5.97a | 4.42 | 0.026 | 6.23 | 5.46 | 0.392 | 0.09 | 0.12 | 0.519 |
| Alaska | 2.68 | 2.30 | 0.175 | 7.77 | 6.37 | 0.139 | 8.43 | 7.28 | 0.391 | 0.16 | 0.17 | 0.938 |
| Arizona | 1.73 | 1.71 | 0.894 | 6.42 | 6.09 | 0.701 | 6.01 | 6.51 | 0.630 | 0.14 | 0.12 | 0.775 |
| Arkansas | 1.72 | 1.55 | 0.334 | 6.67a | 5.13 | 0.041 | 7.11 | 6.93 | 0.879 | 0.10 | 0.12 | 0.594 |
| California | 1.79a | 2.05 | 0.047 | 5.88 | 6.66 | 0.117 | 6.27b | 7.37 | 0.094 | 0.14 | 0.14 | 0.861 |
| Colorado | 2.31 | 2.45 | 0.575 | 7.59 | 8.14 | 0.587 | 8.10 | 9.17 | 0.442 | 0.20 | 0.17 | 0.626 |
| Connecticut | 2.03 | 2.15 | 0.579 | 8.31 | 7.10 | 0.224 | 8.22 | 9.06 | 0.527 | 0.13 | 0.13 | 0.988 |
| Delaware | 1.89 | 2.14 | 0.238 | 7.94 | 6.70 | 0.190 | 7.21b | 9.62 | 0.080 | 0.12 | 0.13 | 0.699 |
| District of Columbia | 1.96 | 2.33 | 0.129 | 6.89 | 7.26 | 0.691 | 8.17 | 8.38 | 0.871 | 0.17 | 0.24 | 0.397 |
| Florida | 1.58b | 1.39 | 0.053 | 6.75a | 5.35 | 0.002 | 6.44 | 6.20 | 0.689 | 0.12 | 0.11 | 0.741 |
| Georgia | 1.61 | 1.85 | 0.186 | 5.93 | 5.43 | 0.517 | 4.76a | 6.85 | 0.030 | 0.13 | 0.17 | 0.436 |
| Hawaii | 1.98 | 1.70 | 0.246 | 7.02 | 6.39 | 0.559 | 8.90 | 7.54 | 0.378 | 0.07 | 0.11 | 0.504 |
| Idaho | 1.93 | 1.85 | 0.704 | 6.36 | 5.47 | 0.270 | 5.43 | 7.09 | 0.102 | 0.13 | 0.12 | 0.839 |
| Illinois | 1.76 | 1.73 | 0.818 | 6.24 | 5.64 | 0.183 | 6.87 | 6.81 | 0.927 | 0.13 | 0.11 | 0.745 |
| Indiana | 1.71 | 1.75 | 0.813 | 5.48 | 5.80 | 0.686 | 7.54 | 7.36 | 0.880 | 0.13 | 0.11 | 0.703 |
| Iowa | 1.62 | 1.54 | 0.622 | 5.37 | 5.31 | 0.932 | 7.15 | 5.86 | 0.212 | 0.11 | 0.10 | 0.819 |
| Kansas | 1.70 | 1.72 | 0.924 | 5.13 | 5.66 | 0.494 | 7.68 | 6.78 | 0.416 | 0.11 | 0.10 | 0.852 |
| Kentucky | 1.67 | 1.47 | 0.240 | 6.95b | 5.43 | 0.055 | 6.29 | 5.99 | 0.778 | 0.12 | 0.14 | 0.623 |
| Louisiana | 1.76a | 1.33 | 0.013 | 5.64a | 3.90 | 0.012 | 7.91a | 5.48 | 0.024 | 0.09 | 0.12 | 0.485 |
| Maine | 2.20a | 1.73 | 0.025 | 8.31a | 5.43 | 0.001 | 10.35 | 8.93 | 0.331 | 0.13 | 0.14 | 0.777 |
| Maryland | 1.86 | 1.73 | 0.497 | 6.67 | 5.40 | 0.112 | 7.16 | 7.85 | 0.547 | 0.13 | 0.11 | 0.726 |
| Massachusetts | 2.06 | 2.27 | 0.351 | 7.74 | 7.12 | 0.488 | 8.17 | 9.71 | 0.276 | 0.16 | 0.16 | 0.976 |
| Michigan | 2.06 | 2.09 | 0.795 | 6.78b | 5.95 | 0.072 | 7.66 | 8.70 | 0.137 | 0.14 | 0.13 | 0.928 |
| Minnesota | 2.06 | 1.76 | 0.143 | 6.86a | 4.85 | 0.009 | 7.15 | 7.80 | 0.581 | 0.15 | 0.11 | 0.493 |
| Mississippi | 1.43 | 1.33 | 0.539 | 4.55 | 4.07 | 0.478 | 5.33 | 5.14 | 0.823 | 0.09 | 0.11 | 0.564 |
| Missouri | 2.02a | 1.64 | 0.046 | 7.10a | 5.12 | 0.012 | 7.26 | 7.08 | 0.878 | 0.14 | 0.12 | 0.707 |
| Montana | 2.55a | 2.04 | 0.027 | 9.08a | 6.69 | 0.008 | 10.20 | 9.70 | 0.747 | 0.12 | 0.13 | 0.931 |
| Nebraska | 1.76 | 1.54 | 0.230 | 6.63a | 4.49 | 0.007 | 5.99 | 6.26 | 0.792 | 0.11 | 0.10 | 0.714 |
| Nevada | 2.02 | 1.85 | 0.419 | 8.42 | 7.16 | 0.200 | 6.08 | 6.51 | 0.684 | 0.15 | 0.14 | 0.889 |
| New Hampshire | 2.58 | 2.27 | 0.234 | 8.82a | 6.31 | 0.008 | 11.14 | 10.55 | 0.727 | 0.16 | 0.15 | 0.835 |
| New Jersey | 1.57 | 1.50 | 0.695 | 6.62a | 4.90 | 0.023 | 5.97 | 7.69 | 0.115 | 0.12 | 0.10 | 0.725 |
| New Mexico | 2.35 | 2.07 | 0.259 | 8.26 | 7.87 | 0.731 | 10.49 | 7.97 | 0.128 | 0.14 | 0.12 | 0.714 |
| New York | 1.88 | 1.81 | 0.546 | 6.85b | 6.04 | 0.100 | 8.02 | 7.35 | 0.380 | 0.12 | 0.13 | 0.690 |
| North Carolina | 1.81 | 1.69 | 0.499 | 7.81b | 6.24 | 0.065 | 6.81 | 6.63 | 0.866 | 0.11 | 0.13 | 0.501 |
| North Dakota | 1.97a | 1.54 | 0.025 | 6.96a | 4.30 | 0.000 | 8.45b | 6.44 | 0.080 | 0.09 | 0.08 | 0.830 |
| Ohio | 1.86 | 1.78 | 0.476 | 6.62a | 5.59 | 0.022 | 7.30 | 7.43 | 0.849 | 0.12 | 0.13 | 0.765 |
| Oklahoma | 1.79b | 1.46 | 0.068 | 6.33b | 4.86 | 0.057 | 6.67 | 5.64 | 0.316 | 0.10 | 0.11 | 0.908 |
| Oregon | 1.95a | 2.42 | 0.048 | 6.94 | 7.90 | 0.302 | 7.53 | 9.57 | 0.124 | 0.14 | 0.19 | 0.490 |
| Pennsylvania | 1.72a | 1.34 | 0.000 | 6.65a | 4.66 | 0.000 | 7.51a | 5.90 | 0.012 | 0.10 | 0.10 | 0.885 |
| Rhode Island | 2.14 | 2.29 | 0.562 | 7.89 | 7.24 | 0.504 | 10.02 | 9.22 | 0.640 | 0.15 | 0.16 | 0.856 |
| South Carolina | 1.85a | 1.46 | 0.027 | 6.56a | 4.77 | 0.019 | 8.05 | 6.35 | 0.124 | 0.10 | 0.12 | 0.701 |
| South Dakota | 2.23a | 1.59 | 0.001 | 8.39a | 5.16 | 0.000 | 8.58b | 6.66 | 0.093 | 0.10 | 0.09 | 0.934 |
| Tennessee | 1.38 | 1.25 | 0.348 | 5.09 | 4.08 | 0.118 | 5.50 | 5.90 | 0.689 | 0.10 | 0.12 | 0.697 |
| Texas | 1.78b | 1.58 | 0.073 | 6.52a | 5.19 | 0.004 | 5.55 | 5.81 | 0.652 | 0.14 | 0.11 | 0.544 |
| Utah | 1.77a | 1.28 | 0.014 | 4.50 | 3.93 | 0.414 | 5.26a | 3.54 | 0.043 | 0.13 | 0.11 | 0.726 |
| Vermont | 2.70 | 2.48 | 0.397 | 10.35a | 7.36 | 0.003 | 10.44 | 11.89 | 0.430 | 0.15 | 0.15 | 0.988 |
| Virginia | 1.93 | 1.89 | 0.830 | 7.34b | 5.96 | 0.098 | 7.50 | 7.55 | 0.960 | 0.12 | 0.13 | 0.761 |
| Washington | 2.07 | 1.95 | 0.580 | 7.14b | 5.70 | 0.080 | 7.11 | 8.56 | 0.273 | 0.16 | 0.16 | 0.964 |
| West Virginia | 1.53b | 1.27 | 0.077 | 7.29a | 5.30 | 0.012 | 6.27 | 5.67 | 0.550 | 0.09 | 0.12 | 0.543 |
| Wisconsin | 2.06 | 1.91 | 0.452 | 7.17 | 6.11 | 0.217 | 8.25 | 8.31 | 0.965 | 0.12 | 0.11 | 0.816 |
| Wyoming | 1.92 | 1.92 | 0.979 | 6.44 | 6.51 | 0.931 | 7.06 | 7.67 | 0.608 | 0.12 | 0.11 | 0.803 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Illicit Drugs Other Than Marijuana include cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically; these estimates are based on data from original questions, excluding those on the use of over-the-counter drugs or new methamphetamine items that were 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: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 3.73b | 3.53 | 0.088 | 5.70a | 4.46 | 0.000 | 8.17 | 8.09 | 0.745 | 2.68 | 2.63 | 0.703 |
| Northeast | 3.38 | 3.45 | 0.670 | 5.35a | 4.06 | 0.000 | 8.51 | 8.84 | 0.470 | 2.31 | 2.47 | 0.470 |
| Midwest | 3.48 | 3.27 | 0.163 | 5.48a | 4.39 | 0.000 | 7.81 | 7.80 | 0.977 | 2.43 | 2.35 | 0.668 |
| South | 3.83a | 3.43 | 0.008 | 5.85a | 4.33 | 0.000 | 8.38b | 7.72 | 0.057 | 2.76 | 2.59 | 0.369 |
| West | 4.11 | 4.00 | 0.635 | 5.97a | 5.03 | 0.016 | 7.93 | 8.32 | 0.444 | 3.14 | 3.08 | 0.825 |
| Alabama | 3.72 | 3.84 | 0.792 | 5.36 | 4.89 | 0.593 | 8.06 | 9.38 | 0.293 | 2.73 | 2.77 | 0.944 |
| Alaska | 4.00 | 3.82 | 0.709 | 5.39 | 4.13 | 0.122 | 8.51 | 8.20 | 0.816 | 2.97 | 2.95 | 0.965 |
| Arizona | 4.66 | 4.16 | 0.409 | 7.22a | 4.99 | 0.039 | 8.98 | 8.61 | 0.801 | 3.51 | 3.29 | 0.771 |
| Arkansas | 3.92 | 3.73 | 0.665 | 6.54a | 4.63 | 0.037 | 9.24 | 8.37 | 0.503 | 2.62 | 2.86 | 0.666 |
| California | 3.94 | 4.02 | 0.832 | 5.79 | 5.24 | 0.364 | 7.02 | 7.91 | 0.229 | 3.11 | 3.10 | 0.984 |
| Colorado | 4.67a | 3.61 | 0.044 | 6.47a | 4.27 | 0.022 | 9.80 | 9.85 | 0.975 | 3.53b | 2.50 | 0.099 |
| Connecticut | 3.25 | 3.42 | 0.691 | 5.35 | 4.43 | 0.307 | 7.57 | 8.60 | 0.407 | 2.35 | 2.48 | 0.802 |
| Delaware | 3.91 | 3.99 | 0.886 | 6.02 | 4.67 | 0.144 | 10.12 | 9.20 | 0.514 | 2.58 | 3.04 | 0.436 |
| District of Columbia | 4.06 | 4.04 | 0.960 | 4.22 | 4.45 | 0.790 | 6.65 | 6.55 | 0.928 | 3.54 | 3.43 | 0.882 |
| Florida | 3.70 | 3.39 | 0.350 | 5.17 | 4.48 | 0.211 | 8.41a | 6.80 | 0.025 | 2.85 | 2.77 | 0.836 |
| Georgia | 3.97b | 3.15 | 0.077 | 5.54b | 3.98 | 0.066 | 8.05 | 7.88 | 0.891 | 3.01 | 2.23 | 0.171 |
| Hawaii | 3.46a | 5.06 | 0.031 | 6.53 | 4.97 | 0.189 | 6.93 | 8.57 | 0.236 | 2.49a | 4.51 | 0.024 |
| Idaho | 3.73 | 3.80 | 0.881 | 5.66 | 4.82 | 0.371 | 7.42 | 7.60 | 0.877 | 2.65 | 2.98 | 0.562 |
| Illinois | 3.30 | 3.23 | 0.825 | 5.22b | 4.23 | 0.071 | 7.50 | 6.72 | 0.269 | 2.29 | 2.47 | 0.603 |
| Indiana | 3.56 | 3.98 | 0.345 | 5.69 | 5.38 | 0.749 | 8.30 | 8.53 | 0.847 | 2.39 | 3.03 | 0.233 |
| Iowa | 3.17a | 2.01 | 0.003 | 4.37 | 3.79 | 0.508 | 7.35a | 5.09 | 0.044 | 2.21a | 1.24 | 0.042 |
| Kansas | 3.11 | 3.31 | 0.645 | 4.49 | 4.38 | 0.902 | 6.66 | 7.29 | 0.581 | 2.21 | 2.42 | 0.694 |
| Kentucky | 4.38 | 3.93 | 0.404 | 6.67a | 4.68 | 0.036 | 9.83 | 8.95 | 0.529 | 3.14 | 3.05 | 0.884 |
| Louisiana | 4.24 | 3.78 | 0.346 | 6.14a | 4.06 | 0.019 | 8.78 | 9.21 | 0.745 | 3.04 | 2.69 | 0.561 |
| Maine | 3.82 | 3.41 | 0.377 | 5.36 | 4.46 | 0.284 | 10.00 | 9.78 | 0.873 | 2.70 | 2.41 | 0.602 |
| Maryland | 3.44b | 2.67 | 0.083 | 4.87 | 3.80 | 0.196 | 7.66 | 5.96 | 0.137 | 2.58 | 1.97 | 0.260 |
| Massachusetts | 3.63 | 4.09 | 0.334 | 6.40a | 4.26 | 0.024 | 10.20 | 9.88 | 0.828 | 2.25 | 3.04 | 0.157 |
| Michigan | 3.62 | 3.80 | 0.573 | 6.44a | 4.71 | 0.002 | 7.76b | 9.08 | 0.071 | 2.50 | 2.78 | 0.470 |
| Minnesota | 3.21 | 2.83 | 0.331 | 5.27b | 3.70 | 0.063 | 7.23 | 7.58 | 0.774 | 2.19 | 1.91 | 0.536 |
| Mississippi | 3.60 | 3.14 | 0.289 | 6.26 | 4.84 | 0.117 | 7.39 | 7.08 | 0.792 | 2.43 | 2.17 | 0.620 |
| Missouri | 4.16a | 3.12 | 0.017 | 5.40 | 4.06 | 0.101 | 8.91 | 8.24 | 0.605 | 3.15b | 2.16 | 0.069 |
| Montana | 3.78 | 3.45 | 0.470 | 7.03a | 4.58 | 0.011 | 7.23 | 8.72 | 0.220 | 2.70 | 2.44 | 0.628 |
| Nebraska | 3.44 | 2.80 | 0.104 | 5.94b | 4.32 | 0.082 | 8.20 | 6.34 | 0.110 | 2.17 | 1.93 | 0.612 |
| Nevada | 4.47 | 4.82 | 0.585 | 5.12 | 5.56 | 0.661 | 9.35 | 10.55 | 0.429 | 3.62 | 3.88 | 0.740 |
| New Hampshire | 4.05 | 4.20 | 0.754 | 6.20b | 4.56 | 0.075 | 11.72 | 11.49 | 0.885 | 2.57 | 3.04 | 0.377 |
| New Jersey | 3.40 | 2.78 | 0.131 | 5.15b | 3.61 | 0.052 | 9.12 | 7.71 | 0.261 | 2.36 | 1.92 | 0.367 |
| New Mexico | 4.57 | 3.79 | 0.169 | 6.26 | 5.37 | 0.405 | 9.94 | 7.71 | 0.132 | 3.30 | 2.86 | 0.521 |
| New York | 3.10b | 3.65 | 0.074 | 4.87b | 3.90 | 0.069 | 7.53a | 9.30 | 0.026 | 2.14 | 2.60 | 0.220 |
| North Carolina | 3.96 | 3.64 | 0.470 | 6.90a | 4.33 | 0.010 | 8.28 | 8.66 | 0.769 | 2.85 | 2.75 | 0.846 |
| North Dakota | 3.30a | 2.12 | 0.002 | 5.76a | 3.67 | 0.022 | 6.93b | 4.98 | 0.064 | 2.19a | 1.28 | 0.046 |
| Ohio | 3.44 | 3.24 | 0.480 | 5.27b | 4.32 | 0.070 | 7.87 | 8.46 | 0.422 | 2.42 | 2.24 | 0.594 |
| Oklahoma | 4.41 | 4.95 | 0.379 | 6.33 | 5.04 | 0.228 | 10.88 | 10.81 | 0.967 | 2.89 | 3.87 | 0.177 |
| Oregon | 4.29 | 4.89 | 0.301 | 5.55 | 5.39 | 0.859 | 9.38 | 10.42 | 0.467 | 3.26 | 3.97 | 0.304 |
| Pennsylvania | 3.44 | 3.02 | 0.150 | 5.51a | 4.17 | 0.011 | 8.04 | 7.50 | 0.459 | 2.43 | 2.14 | 0.416 |
| Rhode Island | 4.64 | 5.53 | 0.161 | 5.50 | 5.70 | 0.844 | 13.37 | 11.62 | 0.314 | 2.94b | 4.37 | 0.064 |
| South Carolina | 3.58 | 4.06 | 0.412 | 5.30 | 4.79 | 0.573 | 8.73b | 6.32 | 0.056 | 2.44 | 3.60 | 0.101 |
| South Dakota | 3.29a | 2.24 | 0.008 | 6.38a | 3.90 | 0.010 | 7.81a | 5.23 | 0.022 | 1.95 | 1.48 | 0.296 |
| Tennessee | 3.64 | 3.56 | 0.854 | 5.46 | 4.33 | 0.200 | 7.40 | 7.87 | 0.710 | 2.78 | 2.80 | 0.964 |
| Texas | 3.89a | 3.19 | 0.014 | 6.19a | 4.17 | 0.001 | 8.33 | 7.44 | 0.221 | 2.66 | 2.25 | 0.231 |
| Utah | 3.74 | 3.75 | 0.982 | 5.35 | 4.47 | 0.320 | 7.30 | 8.54 | 0.319 | 2.39 | 2.43 | 0.946 |
| Vermont | 3.87 | 3.93 | 0.903 | 6.78a | 4.14 | 0.005 | 9.22b | 12.04 | 0.059 | 2.56 | 2.58 | 0.973 |
| Virginia | 3.54a | 2.67 | 0.032 | 5.83a | 4.01 | 0.047 | 7.95 | 6.46 | 0.174 | 2.51 | 1.86 | 0.179 |
| Washington | 4.22b | 3.40 | 0.083 | 6.12b | 4.39 | 0.059 | 9.77 | 7.73 | 0.125 | 3.01 | 2.58 | 0.438 |
| West Virginia | 3.51b | 4.44 | 0.052 | 6.07 | 4.89 | 0.206 | 8.09a | 11.27 | 0.017 | 2.48 | 3.40 | 0.111 |
| Wisconsin | 3.63 | 3.38 | 0.545 | 5.59 | 4.67 | 0.315 | 8.23 | 8.85 | 0.628 | 2.54 | 2.30 | 0.636 |
| Wyoming | 3.67a | 2.78 | 0.033 | 5.12 | 4.46 | 0.436 | 8.14 | 6.86 | 0.292 | 2.61 | 1.85 | 0.125 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 2.50a | 2.00 | 0.000 | 1.90a | 1.10 | 0.000 | 6.67a | 5.40 | 0.000 | 1.85a | 1.53 | 0.010 |
| Northeast | 2.52 | 2.33 | 0.242 | 1.67a | 1.09 | 0.000 | 7.17b | 6.45 | 0.082 | 1.89 | 1.78 | 0.597 |
| Midwest | 2.50a | 1.82 | 0.000 | 1.93a | 1.05 | 0.000 | 6.71a | 5.10 | 0.000 | 1.83a | 1.36 | 0.001 |
| South | 2.41a | 1.82 | 0.000 | 1.96a | 0.98 | 0.000 | 6.11a | 4.60 | 0.000 | 1.83a | 1.46 | 0.013 |
| West | 2.62a | 2.21 | 0.014 | 1.96a | 1.34 | 0.001 | 7.10a | 6.07 | 0.019 | 1.89 | 1.62 | 0.176 |
| Alabama | 2.25a | 1.40 | 0.004 | 1.66a | 0.76 | 0.002 | 5.49a | 3.40 | 0.010 | 1.75b | 1.14 | 0.086 |
| Alaska | 2.40 | 3.00 | 0.250 | 2.44b | 1.46 | 0.057 | 8.37 | 7.41 | 0.490 | 1.38 | 2.40 | 0.116 |
| Arizona | 3.45a | 2.30 | 0.007 | 3.24a | 1.38 | 0.001 | 8.53 | 6.90 | 0.216 | 2.57b | 1.64 | 0.056 |
| Arkansas | 2.17a | 1.44 | 0.020 | 1.86a | 0.88 | 0.002 | 6.05a | 3.46 | 0.005 | 1.52 | 1.19 | 0.347 |
| California | 2.54b | 2.12 | 0.086 | 1.70 | 1.39 | 0.276 | 6.61 | 5.57 | 0.124 | 1.92 | 1.57 | 0.221 |
| Colorado | 3.90 | 3.23 | 0.207 | 2.64a | 1.35 | 0.006 | 10.29 | 8.92 | 0.364 | 2.96 | 2.51 | 0.464 |
| Connecticut | 2.13 | 2.07 | 0.865 | 1.82 | 1.25 | 0.140 | 7.02 | 6.19 | 0.452 | 1.46 | 1.52 | 0.874 |
| Delaware | 2.76 | 2.37 | 0.359 | 1.61a | 0.91 | 0.025 | 7.38 | 6.40 | 0.402 | 2.12 | 1.87 | 0.632 |
| District of Columbia | 3.58 | 3.77 | 0.809 | 0.65 | 0.44 | 0.251 | 4.55 | 5.07 | 0.580 | 3.65 | 3.78 | 0.891 |
| Florida | 2.53a | 1.80 | 0.004 | 1.94a | 1.04 | 0.000 | 6.83a | 4.65 | 0.001 | 1.99b | 1.46 | 0.073 |
| Georgia | 2.47a | 1.53 | 0.008 | 1.68a | 0.81 | 0.006 | 5.26 | 3.92 | 0.131 | 2.08b | 1.22 | 0.053 |
| Hawaii | 1.76 | 1.75 | 0.975 | 1.70 | 1.24 | 0.335 | 5.52 | 4.33 | 0.246 | 1.17 | 1.39 | 0.543 |
| Idaho | 1.64 | 1.30 | 0.134 | 1.80 | 1.24 | 0.192 | 5.03 | 4.48 | 0.549 | 0.92 | 0.75 | 0.483 |
| Illinois | 2.44a | 1.92 | 0.035 | 1.67a | 0.99 | 0.002 | 6.53a | 4.61 | 0.002 | 1.82 | 1.56 | 0.371 |
| Indiana | 2.57a | 1.66 | 0.003 | 2.00a | 1.09 | 0.022 | 7.20a | 4.95 | 0.032 | 1.80b | 1.18 | 0.079 |
| Iowa | 2.23a | 1.12 | 0.000 | 2.18a | 1.12 | 0.014 | 6.43a | 3.61 | 0.003 | 1.44a | 0.68 | 0.012 |
| Kansas | 2.21a | 1.52 | 0.015 | 1.80b | 1.10 | 0.072 | 6.31 | 4.97 | 0.186 | 1.48b | 0.93 | 0.081 |
| Kentucky | 2.56a | 1.41 | 0.000 | 2.05a | 1.03 | 0.009 | 6.59a | 4.38 | 0.029 | 1.93a | 0.98 | 0.010 |
| Louisiana | 2.78 | 2.34 | 0.306 | 1.65a | 0.85 | 0.009 | 5.38 | 4.72 | 0.452 | 2.42 | 2.08 | 0.531 |
| Maine | 2.30 | 2.29 | 0.977 | 2.18a | 1.12 | 0.009 | 8.05 | 7.68 | 0.772 | 1.46 | 1.67 | 0.576 |
| Maryland | 2.05 | 1.52 | 0.130 | 1.38b | 0.87 | 0.097 | 4.80 | 3.79 | 0.242 | 1.70 | 1.22 | 0.264 |
| Massachusetts | 2.85 | 2.44 | 0.273 | 2.05a | 1.17 | 0.024 | 7.88 | 7.14 | 0.559 | 2.14 | 1.75 | 0.375 |
| Michigan | 2.59a | 2.00 | 0.014 | 2.08a | 1.05 | 0.000 | 6.26 | 5.72 | 0.356 | 2.03b | 1.50 | 0.072 |
| Minnesota | 2.51a | 1.78 | 0.019 | 2.35a | 1.11 | 0.002 | 7.47a | 5.12 | 0.032 | 1.64 | 1.29 | 0.315 |
| Mississippi | 2.05a | 1.38 | 0.039 | 1.18a | 0.63 | 0.033 | 4.18 | 3.12 | 0.158 | 1.75 | 1.16 | 0.146 |
| Missouri | 2.90a | 2.01 | 0.016 | 2.03a | 1.01 | 0.003 | 7.19 | 5.74 | 0.194 | 2.27b | 1.53 | 0.089 |
| Montana | 2.48 | 2.31 | 0.592 | 2.51a | 1.17 | 0.002 | 7.30 | 7.63 | 0.785 | 1.62 | 1.56 | 0.861 |
| Nebraska | 2.12a | 1.57 | 0.047 | 2.16a | 1.09 | 0.007 | 5.72 | 4.56 | 0.219 | 1.42 | 1.07 | 0.266 |
| Nevada | 2.38 | 2.33 | 0.891 | 1.97 | 1.50 | 0.293 | 7.35 | 6.76 | 0.628 | 1.66 | 1.78 | 0.750 |
| New Hampshire | 2.97 | 2.74 | 0.575 | 2.66a | 1.23 | 0.002 | 10.17 | 8.98 | 0.427 | 1.89 | 1.97 | 0.864 |
| New Jersey | 2.25 | 1.76 | 0.124 | 1.78a | 1.03 | 0.038 | 6.49 | 4.92 | 0.137 | 1.71 | 1.36 | 0.353 |
| New Mexico | 3.07a | 2.16 | 0.016 | 2.81a | 1.30 | 0.004 | 10.03a | 6.55 | 0.012 | 1.81 | 1.46 | 0.392 |
| New York | 2.59 | 2.66 | 0.804 | 1.41 | 1.09 | 0.171 | 6.93 | 7.31 | 0.600 | 2.02 | 2.01 | 0.990 |
| North Carolina | 2.43 | 2.09 | 0.314 | 1.92a | 0.90 | 0.002 | 6.42 | 4.83 | 0.111 | 1.83 | 1.79 | 0.927 |
| North Dakota | 1.94a | 1.22 | 0.005 | 1.95a | 1.05 | 0.027 | 5.94a | 3.72 | 0.016 | 1.10 | 0.69 | 0.135 |
| Ohio | 2.53a | 1.50 | 0.000 | 1.69a | 1.03 | 0.004 | 6.99a | 4.53 | 0.000 | 1.88a | 1.06 | 0.003 |
| Oklahoma | 2.02b | 1.51 | 0.052 | 1.86b | 1.14 | 0.067 | 5.99 | 4.70 | 0.191 | 1.27 | 0.98 | 0.302 |
| Oregon | 2.45 | 2.63 | 0.622 | 1.91b | 1.23 | 0.073 | 7.25 | 7.99 | 0.546 | 1.71 | 1.96 | 0.532 |
| Pennsylvania | 2.37 | 2.03 | 0.214 | 1.49a | 1.01 | 0.034 | 6.62a | 4.84 | 0.004 | 1.79 | 1.69 | 0.746 |
| Rhode Island | 3.79 | 3.87 | 0.900 | 2.10b | 1.26 | 0.064 | 12.05 | 9.30 | 0.104 | 2.50 | 3.16 | 0.364 |
| South Carolina | 2.64 | 2.77 | 0.797 | 1.71a | 0.82 | 0.006 | 6.36 | 4.89 | 0.131 | 2.11 | 2.66 | 0.343 |
| South Dakota | 1.89a | 1.19 | 0.004 | 2.41a | 0.95 | 0.001 | 5.49b | 3.91 | 0.074 | 1.10 | 0.73 | 0.139 |
| Tennessee | 2.36a | 1.58 | 0.011 | 1.85a | 0.92 | 0.004 | 6.08b | 4.27 | 0.053 | 1.80 | 1.25 | 0.134 |
| Texas | 2.44a | 1.90 | 0.013 | 2.58a | 1.15 | 0.000 | 6.66a | 5.10 | 0.016 | 1.58 | 1.40 | 0.478 |
| Utah | 1.95b | 1.44 | 0.071 | 1.52 | 1.16 | 0.373 | 4.78 | 4.15 | 0.488 | 1.21 | 0.82 | 0.198 |
| Vermont | 2.98 | 2.99 | 0.985 | 2.81a | 1.22 | 0.001 | 9.73 | 10.17 | 0.771 | 1.85 | 2.02 | 0.695 |
| Virginia | 2.24 | 1.76 | 0.136 | 1.72b | 1.04 | 0.056 | 5.52 | 4.95 | 0.542 | 1.78 | 1.31 | 0.223 |
| Washington | 2.11 | 2.11 | 0.994 | 1.77 | 1.20 | 0.126 | 7.15 | 6.20 | 0.403 | 1.29 | 1.56 | 0.467 |
| West Virginia | 2.30 | 2.55 | 0.496 | 2.61a | 1.05 | 0.000 | 7.42 | 7.70 | 0.825 | 1.44 | 1.97 | 0.186 |
| Wisconsin | 2.45 | 2.71 | 0.493 | 1.98a | 1.17 | 0.039 | 6.62 | 7.22 | 0.615 | 1.77 | 2.14 | 0.391 |
| Wyoming | 2.21a | 1.46 | 0.010 | 1.80b | 1.11 | 0.070 | 7.60a | 5.24 | 0.037 | 1.25 | 0.83 | 0.202 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 4.79 | 4.84 | 0.708 | 7.61a | 6.51 | 0.000 | 11.70 | 11.94 | 0.388 | 3.20 | 3.40 | 0.207 |
| Northeast | 4.05b | 4.38 | 0.089 | 6.37a | 5.30 | 0.003 | 11.22 | 12.00 | 0.123 | 2.62 | 2.98 | 0.107 |
| Midwest | 4.58 | 4.85 | 0.111 | 7.53a | 6.74 | 0.011 | 11.68 | 12.21 | 0.208 | 2.90a | 3.33 | 0.031 |
| South | 4.92 | 4.79 | 0.433 | 7.88a | 6.50 | 0.000 | 12.08 | 11.87 | 0.605 | 3.27 | 3.37 | 0.613 |
| West | 5.42 | 5.29 | 0.626 | 8.23a | 7.21 | 0.029 | 11.51 | 11.74 | 0.678 | 3.90 | 3.87 | 0.917 |
| Alabama | 4.89 | 5.12 | 0.611 | 8.01 | 7.55 | 0.683 | 12.98 | 13.02 | 0.975 | 3.03 | 3.47 | 0.413 |
| Alaska | 5.34 | 5.24 | 0.863 | 8.09 | 7.18 | 0.442 | 12.72 | 11.57 | 0.464 | 3.58 | 3.76 | 0.792 |
| Arizona | 6.07 | 6.00 | 0.919 | 9.35 | 7.47 | 0.131 | 13.91 | 13.82 | 0.961 | 4.18 | 4.48 | 0.711 |
| Arkansas | 5.03 | 5.09 | 0.909 | 7.95 | 7.63 | 0.784 | 13.38 | 12.29 | 0.490 | 3.15 | 3.59 | 0.420 |
| California | 5.20 | 4.76 | 0.227 | 7.53 | 6.76 | 0.249 | 9.79 | 10.19 | 0.633 | 4.02 | 3.44 | 0.194 |
| Colorado | 6.08 | 5.68 | 0.502 | 8.98 | 7.35 | 0.181 | 13.94 | 13.73 | 0.899 | 4.31 | 4.13 | 0.790 |
| Connecticut | 4.03 | 3.79 | 0.597 | 5.70 | 4.96 | 0.400 | 11.54 | 10.50 | 0.470 | 2.72 | 2.59 | 0.787 |
| Delaware | 5.12 | 5.56 | 0.456 | 7.30 | 6.38 | 0.359 | 13.90 | 13.49 | 0.806 | 3.33 | 4.13 | 0.234 |
| District of Columbia | 3.52 | 3.69 | 0.730 | 5.26 | 4.35 | 0.298 | 6.73 | 7.78 | 0.358 | 2.73 | 2.71 | 0.966 |
| Florida | 4.85a | 4.14 | 0.044 | 7.03b | 5.94 | 0.079 | 12.83a | 10.35 | 0.006 | 3.45 | 3.03 | 0.305 |
| Georgia | 5.12 | 4.62 | 0.323 | 8.41a | 6.24 | 0.048 | 10.66 | 11.85 | 0.402 | 3.64 | 3.17 | 0.424 |
| Hawaii | 3.90b | 5.06 | 0.071 | 6.52 | 5.96 | 0.629 | 9.41 | 11.33 | 0.220 | 2.67b | 3.96 | 0.085 |
| Idaho | 5.63 | 5.79 | 0.757 | 8.72 | 7.91 | 0.493 | 13.57 | 12.80 | 0.614 | 3.48 | 4.25 | 0.208 |
| Illinois | 4.02 | 4.12 | 0.734 | 6.76b | 5.68 | 0.087 | 10.92 | 9.66 | 0.138 | 2.42 | 2.91 | 0.167 |
| Indiana | 5.88 | 5.72 | 0.773 | 8.37 | 8.15 | 0.844 | 15.82 | 13.92 | 0.281 | 3.70 | 4.02 | 0.613 |
| Iowa | 3.42 | 3.62 | 0.627 | 6.28 | 5.75 | 0.586 | 8.78 | 9.18 | 0.759 | 2.02 | 2.37 | 0.465 |
| Kansas | 4.36 | 5.02 | 0.170 | 6.14 | 7.57 | 0.190 | 10.84 | 11.55 | 0.618 | 2.84 | 3.46 | 0.265 |
| Kentucky | 6.50 | 5.97 | 0.420 | 9.96b | 7.66 | 0.066 | 17.48 | 15.44 | 0.278 | 4.16 | 4.29 | 0.859 |
| Louisiana | 5.16 | 5.31 | 0.773 | 7.46 | 6.21 | 0.223 | 13.19 | 13.74 | 0.731 | 3.20 | 3.57 | 0.543 |
| Maine | 4.61 | 4.70 | 0.843 | 7.16 | 6.25 | 0.384 | 14.07 | 13.57 | 0.763 | 2.87 | 3.30 | 0.417 |
| Maryland | 4.03 | 3.75 | 0.520 | 5.95 | 5.18 | 0.397 | 10.52 | 9.40 | 0.420 | 2.75 | 2.62 | 0.798 |
| Massachusetts | 5.28 | 5.31 | 0.955 | 7.78a | 5.47 | 0.028 | 14.68 | 14.14 | 0.746 | 3.47 | 3.72 | 0.691 |
| Michigan | 5.18 | 5.69 | 0.184 | 9.70a | 7.44 | 0.003 | 11.90a | 13.87 | 0.029 | 3.37 | 4.07 | 0.130 |
| Minnesota | 3.93 | 4.40 | 0.301 | 6.37 | 6.08 | 0.756 | 8.79a | 11.63 | 0.045 | 2.70 | 2.96 | 0.631 |
| Mississippi | 4.40 | 4.71 | 0.490 | 8.48 | 7.70 | 0.514 | 10.05 | 11.01 | 0.503 | 2.64 | 3.13 | 0.334 |
| Missouri | 5.17 | 4.40 | 0.124 | 7.75 | 6.11 | 0.117 | 12.93 | 12.30 | 0.684 | 3.44 | 2.89 | 0.322 |
| Montana | 4.22a | 5.30 | 0.032 | 8.06 | 7.18 | 0.423 | 10.19a | 14.14 | 0.006 | 2.61b | 3.60 | 0.094 |
| Nebraska | 3.82 | 3.55 | 0.530 | 7.31 | 5.64 | 0.102 | 10.05 | 9.27 | 0.572 | 2.11 | 2.19 | 0.863 |
| Nevada | 5.66 | 5.87 | 0.736 | 9.61 | 8.34 | 0.347 | 13.30 | 14.30 | 0.540 | 3.93 | 4.30 | 0.610 |
| New Hampshire | 5.33 | 5.91 | 0.299 | 7.91 | 7.00 | 0.398 | 16.19 | 16.78 | 0.752 | 3.28 | 4.11 | 0.187 |
| New Jersey | 3.61 | 3.76 | 0.719 | 5.89 | 4.57 | 0.137 | 9.95 | 11.55 | 0.254 | 2.42 | 2.46 | 0.932 |
| New Mexico | 5.18 | 5.66 | 0.446 | 8.36 | 8.47 | 0.933 | 10.80 | 11.55 | 0.623 | 3.64 | 4.20 | 0.453 |
| New York | 3.72a | 4.37 | 0.035 | 6.02 | 5.22 | 0.184 | 9.78a | 12.05 | 0.010 | 2.43 | 2.89 | 0.199 |
| North Carolina | 5.07 | 5.00 | 0.904 | 8.81 | 7.10 | 0.141 | 12.09 | 12.41 | 0.833 | 3.40 | 3.55 | 0.803 |
| North Dakota | 3.54 | 3.92 | 0.403 | 6.34 | 6.21 | 0.898 | 7.76 | 9.35 | 0.219 | 2.27 | 2.42 | 0.769 |
| Ohio | 4.53a | 5.47 | 0.004 | 7.09 | 7.35 | 0.697 | 11.98a | 14.62 | 0.005 | 2.90a | 3.73 | 0.035 |
| Oklahoma | 5.81a | 8.13 | 0.003 | 9.24 | 9.36 | 0.928 | 15.12 | 18.14 | 0.130 | 3.53a | 6.15 | 0.004 |
| Oregon | 5.73b | 6.81 | 0.100 | 9.20 | 8.80 | 0.752 | 14.56 | 15.56 | 0.551 | 3.78b | 5.22 | 0.063 |
| Pennsylvania | 3.81 | 4.12 | 0.305 | 6.24 | 5.57 | 0.253 | 10.86 | 10.33 | 0.518 | 2.36 | 2.93 | 0.118 |
| Rhode Island | 5.91 | 6.13 | 0.738 | 7.42 | 6.55 | 0.428 | 16.95 | 16.05 | 0.643 | 3.71 | 4.22 | 0.499 |
| South Carolina | 4.94 | 4.74 | 0.701 | 7.50 | 6.96 | 0.609 | 11.91 | 11.17 | 0.613 | 3.36 | 3.41 | 0.931 |
| South Dakota | 3.68 | 3.80 | 0.787 | 7.63b | 5.82 | 0.077 | 8.75 | 9.73 | 0.456 | 2.09 | 2.47 | 0.444 |
| Tennessee | 4.65 | 4.88 | 0.630 | 9.08a | 6.61 | 0.026 | 11.41 | 12.71 | 0.428 | 2.94 | 3.48 | 0.329 |
| Texas | 4.90 | 4.56 | 0.307 | 7.60a | 5.80 | 0.005 | 11.11 | 11.22 | 0.898 | 3.24 | 3.12 | 0.760 |
| Utah | 5.57 | 5.34 | 0.644 | 7.81 | 6.83 | 0.353 | 11.95 | 12.01 | 0.970 | 3.27 | 3.41 | 0.799 |
| Vermont | 5.37 | 4.62 | 0.119 | 8.93a | 5.75 | 0.004 | 14.60 | 13.58 | 0.536 | 3.31 | 3.02 | 0.604 |
| Virginia | 4.35 | 4.63 | 0.568 | 7.93 | 6.91 | 0.344 | 10.75 | 11.15 | 0.772 | 2.84 | 3.24 | 0.460 |
| Washington | 5.86 | 6.09 | 0.711 | 10.19 | 8.10 | 0.104 | 15.25 | 14.44 | 0.642 | 3.66 | 4.50 | 0.230 |
| West Virginia | 5.34 | 5.91 | 0.322 | 8.87 | 7.54 | 0.244 | 15.67 | 15.49 | 0.918 | 3.27b | 4.36 | 0.094 |
| Wisconsin | 4.66 | 4.84 | 0.687 | 7.58 | 7.02 | 0.616 | 12.67 | 12.95 | 0.856 | 2.81 | 3.21 | 0.460 |
| Wyoming | 4.98a | 3.89 | 0.029 | 8.00 | 6.71 | 0.245 | 12.68b | 9.87 | 0.054 | 3.08 | 2.48 | 0.283 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 50.50a | 51.75 | 0.018 | 17.67a | 14.66 | 0.000 | 60.91 | 61.51 | 0.450 | 53.22a | 54.83 | 0.008 |
| Northeast | 55.33b | 56.66 | 0.096 | 19.24a | 16.23 | 0.000 | 66.19 | 67.82 | 0.116 | 58.21 | 59.68 | 0.127 |
| Midwest | 52.96b | 54.21 | 0.056 | 18.98a | 15.18 | 0.000 | 66.22 | 65.09 | 0.213 | 55.35a | 57.37 | 0.011 |
| South | 45.89a | 47.77 | 0.004 | 16.75a | 13.69 | 0.000 | 57.13 | 57.55 | 0.656 | 47.95a | 50.48 | 0.001 |
| West | 51.24 | 51.78 | 0.509 | 16.58a | 14.52 | 0.001 | 57.43b | 59.36 | 0.081 | 55.15 | 55.41 | 0.803 |
| Alabama | 36.83a | 42.96 | 0.002 | 15.00 | 12.72 | 0.116 | 50.96 | 54.51 | 0.180 | 37.27a | 44.84 | 0.002 |
| Alaska | 50.89b | 54.44 | 0.079 | 15.90 | 14.23 | 0.340 | 59.83 | 60.34 | 0.851 | 55.92 | 59.28 | 0.189 |
| Arizona | 50.20 | 51.26 | 0.614 | 18.69a | 14.72 | 0.031 | 58.45 | 59.45 | 0.703 | 53.29 | 54.73 | 0.582 |
| Arkansas | 38.93a | 43.29 | 0.028 | 16.71 | 15.44 | 0.461 | 53.79 | 55.93 | 0.431 | 39.34a | 44.78 | 0.027 |
| California | 50.97 | 50.65 | 0.787 | 15.28 | 14.05 | 0.208 | 55.53a | 59.71 | 0.008 | 55.38 | 54.02 | 0.371 |
| Colorado | 59.22 | 62.15 | 0.129 | 20.63 | 20.27 | 0.856 | 68.89 | 69.55 | 0.793 | 62.79 | 66.01 | 0.172 |
| Connecticut | 57.93 | 59.32 | 0.500 | 18.88 | 18.63 | 0.897 | 72.28b | 67.78 | 0.063 | 61.02 | 63.07 | 0.413 |
| Delaware | 53.06 | 56.32 | 0.121 | 18.35 | 16.29 | 0.243 | 62.71a | 68.56 | 0.017 | 55.89 | 59.19 | 0.207 |
| District of Columbia | 56.69a | 61.57 | 0.018 | 13.02 | 15.41 | 0.161 | 67.17b | 71.72 | 0.070 | 58.52a | 63.60 | 0.046 |
| Florida | 52.44 | 51.44 | 0.415 | 17.35b | 15.29 | 0.051 | 59.66b | 56.80 | 0.072 | 55.68 | 54.64 | 0.481 |
| Georgia | 46.07 | 48.99 | 0.151 | 15.09 | 13.52 | 0.314 | 52.19a | 58.20 | 0.032 | 49.41 | 52.32 | 0.254 |
| Hawaii | 48.71 | 48.23 | 0.829 | 17.96a | 11.61 | 0.000 | 58.57 | 57.10 | 0.610 | 51.28 | 50.96 | 0.905 |
| Idaho | 47.70 | 45.66 | 0.288 | 17.37a | 13.01 | 0.008 | 53.62 | 52.41 | 0.656 | 51.34 | 49.11 | 0.360 |
| Illinois | 51.71a | 54.27 | 0.030 | 18.65a | 15.05 | 0.000 | 64.16 | 64.87 | 0.638 | 54.10a | 57.53 | 0.020 |
| Indiana | 46.60 | 47.97 | 0.492 | 16.04 | 14.48 | 0.359 | 61.78 | 57.96 | 0.136 | 48.16 | 50.69 | 0.308 |
| Iowa | 55.37 | 56.65 | 0.519 | 20.18 | 17.29 | 0.106 | 67.28 | 69.21 | 0.449 | 57.79 | 59.35 | 0.533 |
| Kansas | 48.92a | 53.93 | 0.017 | 19.41a | 15.91 | 0.048 | 65.89 | 66.39 | 0.844 | 49.96a | 56.66 | 0.012 |
| Kentucky | 40.57 | 38.72 | 0.347 | 18.75a | 12.24 | 0.000 | 58.07a | 50.58 | 0.005 | 40.27 | 40.08 | 0.937 |
| Louisiana | 46.27 | 48.35 | 0.275 | 19.35a | 15.29 | 0.022 | 61.41 | 61.65 | 0.926 | 47.30 | 50.30 | 0.212 |
| Maine | 52.17 | 55.12 | 0.159 | 16.55 | 14.38 | 0.192 | 66.76 | 65.64 | 0.655 | 54.44 | 58.12 | 0.148 |
| Maryland | 54.67 | 54.00 | 0.746 | 17.14a | 13.29 | 0.026 | 64.21 | 60.82 | 0.209 | 58.34 | 58.03 | 0.906 |
| Massachusetts | 59.59 | 61.59 | 0.309 | 21.04a | 16.69 | 0.019 | 68.94 | 72.45 | 0.154 | 62.75 | 64.92 | 0.376 |
| Michigan | 53.78 | 54.64 | 0.462 | 19.23a | 14.56 | 0.000 | 66.30b | 63.64 | 0.054 | 56.54 | 58.38 | 0.202 |
| Minnesota | 58.45 | 61.02 | 0.201 | 19.54a | 14.56 | 0.005 | 70.68 | 68.33 | 0.348 | 61.73 | 65.58 | 0.126 |
| Mississippi | 35.54a | 40.35 | 0.014 | 14.72 | 12.74 | 0.202 | 50.24 | 52.89 | 0.337 | 35.72a | 41.92 | 0.011 |
| Missouri | 53.21 | 49.97 | 0.112 | 19.67a | 13.76 | 0.000 | 64.52 | 60.99 | 0.176 | 55.85 | 52.75 | 0.229 |
| Montana | 55.36b | 58.96 | 0.093 | 24.73 | 21.46 | 0.105 | 69.29 | 68.93 | 0.884 | 57.19b | 61.81 | 0.085 |
| Nebraska | 53.98 | 53.68 | 0.888 | 22.24a | 13.79 | 0.000 | 68.38 | 65.31 | 0.217 | 55.77 | 56.73 | 0.717 |
| Nevada | 50.68b | 54.45 | 0.092 | 18.40b | 15.15 | 0.065 | 56.37 | 60.35 | 0.141 | 54.12 | 58.62 | 0.102 |
| New Hampshire | 59.80a | 63.95 | 0.040 | 21.44a | 17.62 | 0.045 | 71.78 | 75.12 | 0.162 | 63.20b | 67.88 | 0.062 |
| New Jersey | 57.73 | 54.27 | 0.112 | 18.77a | 15.12 | 0.026 | 65.06 | 64.93 | 0.957 | 61.72 | 57.49 | 0.114 |
| New Mexico | 47.83 | 47.62 | 0.917 | 20.67a | 15.64 | 0.010 | 60.78 | 57.06 | 0.165 | 49.67 | 50.09 | 0.872 |
| New York | 54.71 | 55.71 | 0.432 | 19.49a | 16.78 | 0.014 | 64.34 | 66.34 | 0.208 | 57.59 | 58.55 | 0.539 |
| North Carolina | 40.59a | 47.46 | 0.001 | 16.12a | 12.75 | 0.037 | 56.43 | 58.46 | 0.437 | 41.18a | 49.99 | 0.001 |
| North Dakota | 58.04 | 57.77 | 0.899 | 25.23a | 18.91 | 0.002 | 73.06 | 71.74 | 0.575 | 59.42 | 59.45 | 0.989 |
| Ohio | 51.81 | 51.60 | 0.867 | 17.52a | 14.91 | 0.008 | 65.40 | 65.39 | 0.992 | 54.20 | 54.01 | 0.898 |
| Oklahoma | 42.94 | 45.66 | 0.192 | 16.04 | 13.86 | 0.212 | 58.23 | 59.09 | 0.752 | 43.81 | 47.36 | 0.178 |
| Oregon | 53.14a | 59.83 | 0.002 | 17.07 | 17.74 | 0.711 | 65.32 | 66.78 | 0.567 | 55.79a | 63.65 | 0.003 |
| Pennsylvania | 51.10a | 55.40 | 0.001 | 18.06a | 14.98 | 0.003 | 64.85a | 68.45 | 0.018 | 53.14a | 58.10 | 0.001 |
| Rhode Island | 58.96 | 59.98 | 0.629 | 22.12a | 18.19 | 0.049 | 76.07a | 71.13 | 0.035 | 60.38 | 62.89 | 0.345 |
| South Carolina | 45.07 | 45.96 | 0.673 | 14.36 | 12.38 | 0.193 | 61.10a | 53.45 | 0.004 | 46.35 | 48.90 | 0.330 |
| South Dakota | 55.18 | 57.85 | 0.179 | 22.07a | 15.62 | 0.001 | 71.49 | 70.76 | 0.761 | 56.98 | 60.99 | 0.110 |
| Tennessee | 36.27a | 41.08 | 0.018 | 13.27 | 11.32 | 0.186 | 46.50a | 53.36 | 0.014 | 37.48a | 42.82 | 0.032 |
| Texas | 47.27 | 48.49 | 0.292 | 17.56a | 14.10 | 0.001 | 57.99 | 58.42 | 0.780 | 49.86 | 51.62 | 0.226 |
| Utah | 29.57 | 28.08 | 0.462 | 10.23a | 6.87 | 0.020 | 35.74 | 31.96 | 0.209 | 31.40 | 30.67 | 0.790 |
| Vermont | 58.43 | 60.18 | 0.411 | 22.00b | 18.28 | 0.056 | 73.45 | 73.67 | 0.924 | 60.69 | 62.74 | 0.439 |
| Virginia | 51.17 | 50.77 | 0.838 | 18.40a | 12.93 | 0.001 | 61.25 | 60.21 | 0.679 | 53.91 | 53.81 | 0.969 |
| Washington | 56.31 | 56.04 | 0.893 | 18.15a | 13.94 | 0.019 | 63.66 | 60.77 | 0.237 | 60.33 | 60.44 | 0.964 |
| West Virginia | 37.20 | 38.14 | 0.662 | 18.28a | 13.20 | 0.003 | 53.18 | 53.52 | 0.897 | 36.81 | 38.61 | 0.491 |
| Wisconsin | 57.92b | 61.74 | 0.051 | 21.39 | 18.60 | 0.129 | 72.05 | 71.80 | 0.910 | 60.48a | 65.37 | 0.048 |
| Wyoming | 52.14 | 54.11 | 0.343 | 18.30 | 17.22 | 0.539 | 66.48 | 62.29 | 0.101 | 54.35 | 57.27 | 0.270 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. 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. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 22.75a | 23.46 | 0.015 | 10.65a | 8.82 | 0.000 | 41.25 | 41.35 | 0.824 | 21.20a | 22.25 | 0.006 |
| Northeast | 23.82 | 24.48 | 0.245 | 11.33a | 9.82 | 0.003 | 44.69 | 44.98 | 0.728 | 22.10 | 22.79 | 0.329 |
| Midwest | 25.18 | 25.91 | 0.102 | 12.11a | 9.43 | 0.000 | 47.13b | 45.94 | 0.078 | 23.09a | 24.58 | 0.009 |
| South | 21.22a | 22.07 | 0.041 | 9.68a | 7.96 | 0.000 | 38.12 | 37.81 | 0.648 | 19.87a | 21.22 | 0.011 |
| West | 21.81 | 22.49 | 0.225 | 10.19a | 8.81 | 0.009 | 37.60a | 39.69 | 0.028 | 20.61 | 21.21 | 0.411 |
| Alabama | 18.10b | 20.48 | 0.087 | 8.23 | 7.41 | 0.478 | 34.97 | 35.43 | 0.836 | 16.45b | 19.61 | 0.071 |
| Alaska | 23.13 | 24.17 | 0.482 | 11.42 | 9.71 | 0.226 | 41.22 | 40.08 | 0.651 | 22.26 | 23.32 | 0.576 |
| Arizona | 24.32 | 23.15 | 0.454 | 11.94a | 8.79 | 0.037 | 41.43 | 41.16 | 0.918 | 23.04 | 22.01 | 0.599 |
| Arkansas | 21.76 | 20.53 | 0.399 | 11.31b | 8.99 | 0.083 | 39.76 | 38.23 | 0.544 | 19.99 | 19.12 | 0.624 |
| California | 21.25 | 22.15 | 0.301 | 9.16 | 8.54 | 0.448 | 35.41a | 38.95 | 0.017 | 20.43 | 20.83 | 0.721 |
| Colorado | 25.75 | 26.26 | 0.745 | 11.04 | 10.91 | 0.928 | 46.73 | 47.52 | 0.763 | 24.10 | 24.58 | 0.805 |
| Connecticut | 23.09a | 27.03 | 0.023 | 11.18 | 13.31 | 0.210 | 48.14 | 46.83 | 0.605 | 21.04a | 25.62 | 0.031 |
| Delaware | 23.71 | 26.23 | 0.114 | 10.46 | 9.38 | 0.488 | 42.89a | 48.25 | 0.038 | 22.12 | 24.63 | 0.210 |
| District of Columbia | 25.34a | 29.69 | 0.015 | 5.62 | 7.23 | 0.195 | 39.25a | 46.44 | 0.007 | 24.35b | 28.02 | 0.100 |
| Florida | 21.74 | 21.91 | 0.857 | 9.50b | 8.18 | 0.093 | 39.02 | 37.38 | 0.245 | 20.76 | 21.14 | 0.746 |
| Georgia | 20.73 | 21.44 | 0.619 | 8.20 | 6.97 | 0.270 | 33.73 | 36.39 | 0.285 | 20.17 | 20.89 | 0.688 |
| Hawaii | 23.68 | 22.78 | 0.600 | 11.93a | 7.13 | 0.001 | 41.12 | 38.99 | 0.454 | 22.47 | 21.96 | 0.806 |
| Idaho | 21.05 | 20.16 | 0.531 | 11.57a | 8.56 | 0.025 | 36.12 | 35.66 | 0.848 | 19.45 | 19.09 | 0.840 |
| Illinois | 25.17 | 26.43 | 0.172 | 11.70a | 9.71 | 0.014 | 46.77 | 46.28 | 0.729 | 23.22 | 25.04 | 0.125 |
| Indiana | 22.27 | 22.97 | 0.622 | 9.82 | 9.35 | 0.715 | 45.11b | 40.83 | 0.081 | 19.83 | 21.75 | 0.281 |
| Iowa | 26.34 | 28.55 | 0.148 | 13.85b | 11.10 | 0.065 | 48.87 | 50.15 | 0.620 | 23.72b | 26.92 | 0.097 |
| Kansas | 21.71a | 25.12 | 0.025 | 11.56 | 9.46 | 0.141 | 45.26 | 45.63 | 0.886 | 18.63a | 23.37 | 0.014 |
| Kentucky | 19.24 | 20.29 | 0.451 | 11.08a | 8.08 | 0.021 | 38.83 | 37.68 | 0.647 | 16.86 | 19.05 | 0.199 |
| Louisiana | 23.77 | 23.59 | 0.905 | 10.87a | 8.12 | 0.023 | 40.36 | 38.40 | 0.400 | 22.39 | 22.86 | 0.808 |
| Maine | 21.74 | 22.07 | 0.816 | 11.12a | 7.82 | 0.014 | 44.67 | 45.32 | 0.798 | 19.64 | 20.41 | 0.655 |
| Maryland | 21.65 | 20.92 | 0.628 | 9.43 | 8.15 | 0.288 | 39.77 | 36.65 | 0.208 | 20.48 | 19.89 | 0.752 |
| Massachusetts | 27.22 | 24.89 | 0.147 | 14.19a | 10.28 | 0.013 | 46.98 | 46.88 | 0.967 | 25.64 | 22.70 | 0.135 |
| Michigan | 24.46 | 25.33 | 0.325 | 12.06a | 8.50 | 0.000 | 44.49 | 43.10 | 0.299 | 22.75 | 24.52 | 0.116 |
| Minnesota | 28.07 | 26.93 | 0.478 | 13.27a | 8.00 | 0.000 | 49.84 | 47.21 | 0.313 | 26.22 | 25.84 | 0.851 |
| Mississippi | 19.70 | 20.26 | 0.682 | 8.52 | 7.22 | 0.274 | 32.24 | 33.38 | 0.637 | 18.86 | 19.68 | 0.642 |
| Missouri | 24.56 | 24.23 | 0.827 | 12.61a | 8.80 | 0.004 | 43.89 | 42.44 | 0.548 | 22.80 | 23.19 | 0.833 |
| Montana | 27.41 | 26.95 | 0.786 | 17.85a | 13.81 | 0.024 | 50.83 | 50.53 | 0.907 | 24.58 | 24.59 | 0.993 |
| Nebraska | 26.26 | 25.83 | 0.771 | 14.30a | 8.49 | 0.000 | 49.83 | 46.83 | 0.238 | 23.44 | 24.13 | 0.717 |
| Nevada | 20.87a | 26.13 | 0.001 | 10.90 | 9.30 | 0.247 | 33.81a | 43.31 | 0.000 | 20.17a | 25.75 | 0.006 |
| New Hampshire | 24.02 | 25.35 | 0.378 | 13.29 | 11.23 | 0.180 | 49.11 | 51.34 | 0.387 | 21.59 | 23.10 | 0.416 |
| New Jersey | 21.74b | 24.41 | 0.090 | 10.11 | 9.18 | 0.499 | 41.95 | 44.13 | 0.378 | 20.36 | 23.26 | 0.134 |
| New Mexico | 24.00 | 22.87 | 0.455 | 14.04a | 10.18 | 0.017 | 41.39 | 38.25 | 0.233 | 22.31 | 21.71 | 0.750 |
| New York | 24.27 | 24.08 | 0.852 | 10.71 | 10.06 | 0.440 | 42.55 | 43.67 | 0.444 | 22.96 | 22.27 | 0.576 |
| North Carolina | 19.31 | 20.84 | 0.259 | 10.02a | 7.38 | 0.025 | 38.03 | 36.88 | 0.633 | 17.40 | 19.91 | 0.136 |
| North Dakota | 31.37 | 29.77 | 0.339 | 16.58a | 12.51 | 0.019 | 55.15 | 53.52 | 0.540 | 28.43 | 26.59 | 0.379 |
| Ohio | 24.40 | 25.33 | 0.298 | 11.31a | 9.74 | 0.048 | 45.99 | 46.98 | 0.467 | 22.50 | 23.76 | 0.267 |
| Oklahoma | 19.01a | 22.34 | 0.023 | 10.70 | 9.52 | 0.429 | 37.98 | 38.88 | 0.723 | 16.53a | 21.00 | 0.015 |
| Oregon | 20.52a | 23.98 | 0.020 | 10.70 | 10.01 | 0.618 | 40.58a | 46.12 | 0.031 | 18.40a | 22.18 | 0.039 |
| Pennsylvania | 22.83 | 24.05 | 0.182 | 11.24a | 8.68 | 0.001 | 45.96 | 44.83 | 0.421 | 20.59b | 22.49 | 0.095 |
| Rhode Island | 26.97 | 27.22 | 0.887 | 12.73a | 9.56 | 0.039 | 55.31a | 48.45 | 0.015 | 23.56 | 25.35 | 0.423 |
| South Carolina | 22.54 | 21.83 | 0.623 | 8.80a | 6.33 | 0.025 | 42.03a | 35.79 | 0.009 | 20.93 | 21.47 | 0.767 |
| South Dakota | 28.13 | 29.71 | 0.343 | 15.85a | 9.55 | 0.000 | 54.15 | 52.28 | 0.459 | 24.89 | 28.26 | 0.114 |
| Tennessee | 16.55 | 18.72 | 0.111 | 8.39 | 7.07 | 0.232 | 29.89 | 33.37 | 0.161 | 15.34 | 17.89 | 0.128 |
| Texas | 23.90 | 24.19 | 0.743 | 9.84b | 8.50 | 0.091 | 40.02 | 38.98 | 0.442 | 22.96 | 23.68 | 0.525 |
| Utah | 15.86 | 14.07 | 0.184 | 7.86b | 5.48 | 0.056 | 24.95 | 23.71 | 0.617 | 14.70 | 13.10 | 0.371 |
| Vermont | 25.51 | 26.03 | 0.743 | 14.70a | 10.76 | 0.015 | 49.19 | 51.90 | 0.309 | 22.87 | 23.54 | 0.730 |
| Virginia | 20.51a | 23.58 | 0.038 | 10.70b | 8.41 | 0.065 | 40.44 | 42.98 | 0.292 | 18.58b | 22.15 | 0.057 |
| Washington | 20.94 | 21.39 | 0.753 | 11.06a | 8.57 | 0.050 | 41.67 | 40.36 | 0.597 | 18.76 | 19.91 | 0.518 |
| West Virginia | 19.33 | 20.11 | 0.578 | 13.11a | 8.14 | 0.001 | 38.11 | 38.69 | 0.813 | 17.02 | 18.72 | 0.318 |
| Wisconsin | 28.98 | 29.03 | 0.980 | 13.48 | 11.00 | 0.105 | 54.87 | 51.66 | 0.200 | 26.50 | 27.43 | 0.667 |
| Wyoming | 24.93 | 23.31 | 0.279 | 12.94 | 11.39 | 0.408 | 49.68a | 41.75 | 0.003 | 21.98 | 21.53 | 0.808 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 42.04 | 41.93 | 0.766 | 38.36a | 40.23 | 0.000 | 32.56 | 33.25 | 0.101 | 44.20 | 43.65 | 0.221 |
| Northeast | 39.65 | 40.27 | 0.368 | 36.76a | 39.55 | 0.001 | 28.81a | 30.85 | 0.009 | 41.75 | 41.95 | 0.811 |
| Midwest | 38.83 | 38.79 | 0.944 | 37.30 | 37.87 | 0.417 | 28.48 | 28.95 | 0.429 | 40.89 | 40.61 | 0.672 |
| South | 44.60 | 44.05 | 0.315 | 40.12a | 41.95 | 0.009 | 35.85 | 36.13 | 0.661 | 46.74 | 45.65 | 0.114 |
| West | 43.24 | 42.91 | 0.637 | 37.93a | 40.27 | 0.011 | 34.44 | 34.69 | 0.784 | 45.63 | 44.76 | 0.337 |
| Alabama | 46.19 | 45.40 | 0.677 | 42.74 | 44.90 | 0.376 | 37.64 | 37.95 | 0.899 | 48.17 | 46.73 | 0.546 |
| Alaska | 40.78 | 41.32 | 0.774 | 35.13a | 42.68 | 0.003 | 29.24 | 29.84 | 0.813 | 43.78 | 43.29 | 0.839 |
| Arizona | 39.54b | 43.40 | 0.066 | 36.77 | 39.31 | 0.331 | 33.66 | 36.53 | 0.243 | 41.00 | 45.11 | 0.115 |
| Arkansas | 43.34 | 43.17 | 0.929 | 41.25 | 42.05 | 0.734 | 35.99 | 33.89 | 0.384 | 44.93 | 44.82 | 0.963 |
| California | 45.47b | 43.50 | 0.082 | 38.79a | 41.71 | 0.049 | 37.05 | 36.20 | 0.570 | 48.00b | 45.16 | 0.052 |
| Colorado | 38.39 | 40.66 | 0.248 | 32.48b | 37.23 | 0.052 | 28.41 | 30.02 | 0.499 | 40.94 | 42.85 | 0.435 |
| Connecticut | 39.85 | 40.83 | 0.627 | 36.18b | 40.68 | 0.069 | 27.52a | 32.27 | 0.046 | 42.12 | 42.21 | 0.972 |
| Delaware | 39.62 | 40.62 | 0.612 | 39.63 | 40.36 | 0.777 | 29.37 | 31.83 | 0.337 | 41.39 | 42.11 | 0.765 |
| District of Columbia | 45.47a | 40.74 | 0.017 | 43.87 | 46.12 | 0.395 | 37.24 | 33.09 | 0.129 | 47.24a | 41.96 | 0.033 |
| Florida | 44.38 | 44.71 | 0.778 | 40.02 | 41.43 | 0.316 | 37.54 | 37.67 | 0.929 | 45.89 | 46.10 | 0.882 |
| Georgia | 47.12 | 45.66 | 0.483 | 42.61 | 46.62 | 0.126 | 38.37 | 36.10 | 0.381 | 49.36 | 47.16 | 0.387 |
| Hawaii | 39.86 | 39.77 | 0.967 | 38.93 | 42.44 | 0.195 | 32.94 | 32.33 | 0.816 | 41.09 | 40.65 | 0.865 |
| Idaho | 39.96 | 40.39 | 0.814 | 37.53 | 37.59 | 0.981 | 30.42 | 32.36 | 0.398 | 42.33 | 42.20 | 0.956 |
| Illinois | 40.66 | 40.03 | 0.586 | 38.28 | 38.75 | 0.749 | 31.51 | 30.47 | 0.443 | 42.61 | 41.93 | 0.644 |
| Indiana | 42.73 | 39.79 | 0.119 | 40.32 | 38.52 | 0.464 | 30.82 | 29.34 | 0.524 | 45.27 | 41.72 | 0.133 |
| Iowa | 34.19 | 35.42 | 0.526 | 31.78a | 37.75 | 0.014 | 25.92 | 24.66 | 0.565 | 36.09 | 37.03 | 0.699 |
| Kansas | 40.70 | 37.96 | 0.149 | 38.43b | 34.03 | 0.093 | 28.12 | 26.17 | 0.397 | 43.47 | 40.68 | 0.245 |
| Kentucky | 42.34 | 42.68 | 0.859 | 39.08 | 42.27 | 0.213 | 33.87 | 33.20 | 0.772 | 44.23 | 44.21 | 0.996 |
| Louisiana | 43.83 | 45.51 | 0.355 | 39.89b | 44.63 | 0.055 | 35.50a | 40.57 | 0.036 | 46.10 | 46.59 | 0.832 |
| Maine | 36.26 | 37.31 | 0.583 | 32.80 | 36.00 | 0.175 | 24.59 | 26.22 | 0.412 | 38.44 | 38.98 | 0.817 |
| Maryland | 41.88 | 43.11 | 0.547 | 38.85b | 43.46 | 0.077 | 35.09 | 37.67 | 0.319 | 43.37 | 43.98 | 0.808 |
| Massachusetts | 34.67 | 35.38 | 0.711 | 34.03 | 34.17 | 0.957 | 24.06 | 26.45 | 0.277 | 36.44 | 37.11 | 0.780 |
| Michigan | 39.74 | 39.24 | 0.640 | 38.10 | 38.88 | 0.564 | 29.27a | 31.76 | 0.034 | 41.79 | 40.56 | 0.362 |
| Minnesota | 36.35 | 37.05 | 0.706 | 36.49 | 38.04 | 0.538 | 24.65 | 27.32 | 0.214 | 38.45 | 38.59 | 0.954 |
| Mississippi | 49.91 | 48.12 | 0.385 | 44.09 | 46.37 | 0.392 | 41.78 | 42.16 | 0.887 | 52.44 | 49.47 | 0.256 |
| Missouri | 38.35 | 41.27 | 0.121 | 36.71 | 39.91 | 0.168 | 28.92 | 30.72 | 0.428 | 40.25 | 43.18 | 0.214 |
| Montana | 36.33 | 39.01 | 0.173 | 31.95 | 33.58 | 0.474 | 24.62a | 29.72 | 0.018 | 39.04 | 41.21 | 0.380 |
| Nebraska | 37.99 | 35.26 | 0.149 | 35.97 | 35.09 | 0.715 | 25.27 | 24.83 | 0.841 | 40.73 | 37.26 | 0.148 |
| Nevada | 41.75b | 45.35 | 0.091 | 38.57 | 41.54 | 0.250 | 35.01 | 36.05 | 0.667 | 43.24 | 47.21 | 0.133 |
| New Hampshire | 33.32 | 35.67 | 0.222 | 27.98a | 33.53 | 0.019 | 20.30 | 23.13 | 0.151 | 36.08 | 37.85 | 0.464 |
| New Jersey | 44.79b | 40.81 | 0.053 | 38.38 | 34.86 | 0.167 | 34.09 | 31.57 | 0.291 | 47.14 | 42.97 | 0.101 |
| New Mexico | 47.07 | 45.96 | 0.595 | 40.01 | 37.57 | 0.360 | 37.35 | 37.07 | 0.911 | 49.98 | 48.71 | 0.631 |
| New York | 41.50 | 41.98 | 0.684 | 39.15 | 41.52 | 0.115 | 31.25 | 31.94 | 0.614 | 43.50 | 43.85 | 0.813 |
| North Carolina | 45.72 | 43.58 | 0.255 | 39.55 | 38.88 | 0.790 | 33.43 | 35.63 | 0.355 | 48.60 | 45.44 | 0.176 |
| North Dakota | 33.65 | 34.95 | 0.480 | 32.51 | 34.34 | 0.445 | 23.09 | 25.16 | 0.347 | 36.02 | 37.22 | 0.610 |
| Ohio | 37.72 | 39.34 | 0.155 | 37.89 | 37.38 | 0.696 | 28.46 | 28.02 | 0.721 | 39.29 | 41.45 | 0.138 |
| Oklahoma | 43.77 | 42.90 | 0.673 | 37.84 | 39.23 | 0.595 | 31.48 | 34.26 | 0.278 | 46.98 | 44.95 | 0.439 |
| Oregon | 39.88 | 38.74 | 0.550 | 36.22 | 34.85 | 0.565 | 29.13 | 27.16 | 0.362 | 42.18 | 40.98 | 0.608 |
| Pennsylvania | 37.29a | 40.82 | 0.003 | 35.40a | 43.51 | 0.000 | 26.27a | 32.28 | 0.000 | 39.32b | 41.90 | 0.089 |
| Rhode Island | 36.25 | 38.41 | 0.273 | 34.95b | 39.46 | 0.066 | 27.75 | 31.08 | 0.179 | 37.96 | 39.66 | 0.486 |
| South Carolina | 45.48 | 45.70 | 0.915 | 42.76 | 41.50 | 0.607 | 32.65a | 39.13 | 0.006 | 48.11 | 47.29 | 0.751 |
| South Dakota | 35.95 | 34.55 | 0.467 | 33.49 | 32.69 | 0.742 | 23.15 | 24.63 | 0.475 | 38.83 | 36.58 | 0.363 |
| Tennessee | 45.42 | 42.58 | 0.149 | 41.10 | 41.21 | 0.965 | 34.76 | 33.63 | 0.626 | 47.77 | 44.12 | 0.136 |
| Texas | 44.61 | 43.82 | 0.465 | 38.81 | 40.83 | 0.168 | 37.33 | 35.81 | 0.274 | 46.96 | 45.77 | 0.393 |
| Utah | 50.94 | 49.65 | 0.538 | 47.56 | 46.23 | 0.627 | 40.56 | 38.95 | 0.560 | 54.64 | 52.92 | 0.550 |
| Vermont | 37.08 | 36.50 | 0.759 | 30.43b | 34.15 | 0.096 | 22.04 | 22.46 | 0.847 | 40.56 | 39.05 | 0.531 |
| Virginia | 42.20 | 41.94 | 0.897 | 40.32 | 40.37 | 0.984 | 31.25 | 32.15 | 0.683 | 44.23 | 43.80 | 0.862 |
| Washington | 39.20 | 40.94 | 0.376 | 35.22 | 36.34 | 0.652 | 27.05 | 30.33 | 0.128 | 41.83 | 43.21 | 0.571 |
| West Virginia | 42.90 | 43.42 | 0.797 | 34.10a | 39.28 | 0.028 | 33.85 | 32.36 | 0.539 | 45.37 | 45.45 | 0.976 |
| Wisconsin | 36.57 | 36.29 | 0.881 | 34.07 | 35.79 | 0.502 | 25.07 | 27.86 | 0.189 | 38.99 | 37.77 | 0.607 |
| Wyoming | 37.38 | 39.93 | 0.188 | 35.00b | 39.70 | 0.063 | 22.86a | 29.19 | 0.009 | 40.48 | 41.87 | 0.574 |
101215
| State | Alcohol Use in Past Month (2002-2003) |
Alcohol Use in Past Month (2008-2009) |
Alcohol Use in Past Month (p value) |
Binge Alcohol Use in Past Month (2002-2003) |
Binge Alcohol Use in Past Month (2008-2009) |
Binge Alcohol Use in Past Month (p value) |
|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. 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. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||
| Total U.S. | 28.89a | 26.81 | 0.000 | 19.22a | 17.74 | 0.000 |
| Northeast | 31.50 | 30.77 | 0.257 | 20.74 | 19.97 | 0.175 |
| Midwest | 31.65a | 27.59 | 0.000 | 21.99a | 19.26 | 0.000 |
| South | 27.17a | 25.13 | 0.000 | 17.54a | 16.13 | 0.001 |
| West | 26.82b | 25.71 | 0.099 | 17.91 | 17.15 | 0.176 |
| Alabama | 24.88 | 23.63 | 0.443 | 16.45 | 14.55 | 0.161 |
| Alaska | 26.43 | 25.44 | 0.572 | 19.42 | 18.57 | 0.579 |
| Arizona | 28.64a | 24.62 | 0.028 | 19.76a | 16.04 | 0.014 |
| Arkansas | 25.16 | 23.05 | 0.213 | 18.84a | 14.55 | 0.004 |
| California | 24.67 | 25.14 | 0.656 | 16.09 | 16.74 | 0.443 |
| Colorado | 33.02 | 32.96 | 0.973 | 21.31 | 20.27 | 0.513 |
| Connecticut | 32.63 | 31.03 | 0.376 | 21.42 | 23.70 | 0.184 |
| Delaware | 31.13 | 32.48 | 0.471 | 20.37 | 22.21 | 0.270 |
| District of Columbia | 31.16 | 31.60 | 0.841 | 16.58 | 17.76 | 0.520 |
| Florida | 27.50 | 26.61 | 0.388 | 16.87 | 16.55 | 0.696 |
| Georgia | 24.15 | 24.18 | 0.989 | 15.31 | 14.89 | 0.743 |
| Hawaii | 28.58a | 23.75 | 0.009 | 20.77a | 16.60 | 0.020 |
| Idaho | 26.66 | 23.99 | 0.123 | 18.81b | 15.94 | 0.054 |
| Illinois | 30.52a | 28.35 | 0.034 | 21.63a | 19.58 | 0.027 |
| Indiana | 27.53a | 23.57 | 0.020 | 18.75 | 16.95 | 0.222 |
| Iowa | 34.35a | 29.88 | 0.015 | 24.68a | 21.22 | 0.038 |
| Kansas | 31.31 | 28.80 | 0.142 | 21.90b | 19.12 | 0.080 |
| Kentucky | 28.99a | 23.68 | 0.002 | 19.61a | 16.48 | 0.029 |
| Louisiana | 31.05 | 29.68 | 0.430 | 18.97 | 17.69 | 0.376 |
| Maine | 30.23a | 26.62 | 0.036 | 22.54a | 16.91 | 0.000 |
| Maryland | 28.10 | 25.95 | 0.211 | 17.52 | 16.69 | 0.551 |
| Massachusetts | 32.50 | 32.96 | 0.802 | 22.40 | 22.31 | 0.956 |
| Michigan | 31.83a | 26.75 | 0.000 | 21.36a | 17.80 | 0.000 |
| Minnesota | 33.36a | 27.48 | 0.001 | 24.17a | 19.61 | 0.004 |
| Mississippi | 24.01 | 24.26 | 0.885 | 15.72 | 15.68 | 0.977 |
| Missouri | 32.41a | 24.17 | 0.000 | 21.16a | 16.81 | 0.005 |
| Montana | 38.39a | 34.50 | 0.043 | 28.80a | 24.44 | 0.017 |
| Nebraska | 34.98a | 26.39 | 0.000 | 23.77a | 18.25 | 0.001 |
| Nevada | 26.87 | 24.66 | 0.207 | 16.81 | 17.01 | 0.891 |
| New Hampshire | 35.98 | 34.73 | 0.489 | 25.02 | 24.56 | 0.781 |
| New Jersey | 29.38 | 27.24 | 0.215 | 17.59 | 18.33 | 0.608 |
| New Mexico | 32.37a | 25.68 | 0.001 | 22.15a | 17.43 | 0.005 |
| New York | 31.59 | 31.98 | 0.714 | 20.34 | 20.03 | 0.751 |
| North Carolina | 26.71a | 22.40 | 0.009 | 17.99a | 13.59 | 0.001 |
| North Dakota | 41.54a | 36.45 | 0.011 | 31.04a | 26.40 | 0.012 |
| Ohio | 30.13b | 28.41 | 0.074 | 20.95 | 20.48 | 0.588 |
| Oklahoma | 28.47 | 25.90 | 0.144 | 19.07 | 17.63 | 0.356 |
| Oregon | 28.22b | 31.28 | 0.080 | 18.61 | 20.06 | 0.347 |
| Pennsylvania | 30.86 | 29.42 | 0.142 | 21.05a | 18.13 | 0.001 |
| Rhode Island | 38.31b | 34.72 | 0.061 | 26.58a | 22.46 | 0.019 |
| South Carolina | 27.25a | 21.79 | 0.001 | 18.05a | 13.43 | 0.001 |
| South Dakota | 37.21a | 32.15 | 0.005 | 28.52a | 22.82 | 0.001 |
| Tennessee | 23.80a | 20.11 | 0.032 | 15.95b | 13.52 | 0.093 |
| Texas | 27.35 | 26.46 | 0.384 | 17.14 | 17.16 | 0.976 |
| Utah | 19.41a | 14.21 | 0.005 | 15.43a | 11.53 | 0.016 |
| Vermont | 35.56 | 36.60 | 0.586 | 25.77 | 24.62 | 0.486 |
| Virginia | 30.33a | 25.88 | 0.010 | 20.47 | 18.44 | 0.155 |
| Washington | 31.54a | 26.97 | 0.008 | 21.02b | 18.30 | 0.075 |
| West Virginia | 28.84a | 22.66 | 0.000 | 21.48a | 15.86 | 0.000 |
| Wisconsin | 34.72a | 30.90 | 0.037 | 24.45b | 21.62 | 0.077 |
| Wyoming | 33.64 | 30.55 | 0.114 | 24.93b | 21.51 | 0.066 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Tobacco Products include cigarettes, smokeless tobacco (i.e., chewing tobacco or snuff), cigars, or pipe tobacco. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 30.09a | 28.02 | 0.000 | 14.83a | 11.52 | 0.000 | 45.02a | 41.51 | 0.000 | 29.59a | 27.82 | 0.000 |
| Northeast | 29.21a | 26.20 | 0.000 | 14.42a | 10.92 | 0.000 | 45.89a | 41.11 | 0.000 | 28.45a | 25.53 | 0.000 |
| Midwest | 32.85a | 30.56 | 0.000 | 16.97a | 13.19 | 0.000 | 49.35a | 46.35 | 0.000 | 32.12a | 30.07 | 0.004 |
| South | 31.66a | 29.54 | 0.000 | 15.72a | 11.46 | 0.000 | 45.84a | 41.68 | 0.000 | 31.39a | 29.81 | 0.015 |
| West | 25.56 | 24.68 | 0.187 | 11.70a | 10.52 | 0.035 | 38.83b | 37.12 | 0.063 | 25.15 | 24.33 | 0.328 |
| Alabama | 33.02 | 32.97 | 0.978 | 16.66a | 13.21 | 0.029 | 45.20 | 45.49 | 0.900 | 33.07 | 33.35 | 0.904 |
| Alaska | 30.73 | 29.39 | 0.450 | 16.39b | 13.51 | 0.077 | 48.43 | 44.53 | 0.110 | 30.42 | 28.90 | 0.509 |
| Arizona | 30.45a | 25.69 | 0.010 | 15.11a | 10.10 | 0.001 | 39.80 | 39.76 | 0.988 | 31.00a | 25.39 | 0.016 |
| Arkansas | 39.35a | 35.28 | 0.034 | 19.57a | 14.93 | 0.008 | 55.88a | 47.63 | 0.001 | 39.12 | 35.86 | 0.185 |
| California | 22.45 | 22.81 | 0.720 | 9.22 | 9.46 | 0.781 | 35.14 | 34.35 | 0.576 | 22.07 | 22.46 | 0.757 |
| Colorado | 31.24a | 27.44 | 0.023 | 17.44a | 13.22 | 0.012 | 49.95a | 43.71 | 0.013 | 29.86 | 26.45 | 0.108 |
| Connecticut | 27.06 | 25.40 | 0.343 | 15.19a | 10.92 | 0.006 | 46.14b | 41.56 | 0.058 | 25.86 | 24.65 | 0.583 |
| Delaware | 29.52 | 30.13 | 0.727 | 16.30a | 12.99 | 0.041 | 46.47 | 45.48 | 0.688 | 28.32 | 29.67 | 0.537 |
| District of Columbia | 29.21 | 27.72 | 0.417 | 9.53 | 9.34 | 0.890 | 37.39 | 34.89 | 0.335 | 29.34 | 27.82 | 0.510 |
| Florida | 28.14 | 26.75 | 0.187 | 14.34a | 10.54 | 0.000 | 41.55a | 38.38 | 0.026 | 27.91 | 26.81 | 0.402 |
| Georgia | 30.88 | 28.89 | 0.252 | 15.79a | 11.64 | 0.006 | 41.74 | 40.79 | 0.717 | 31.07 | 29.25 | 0.410 |
| Hawaii | 24.62 | 22.31 | 0.162 | 12.33 | 10.01 | 0.129 | 36.59 | 37.13 | 0.839 | 24.37 | 21.34 | 0.137 |
| Idaho | 28.09 | 26.87 | 0.455 | 14.70a | 10.69 | 0.010 | 43.08 | 39.77 | 0.191 | 27.13 | 26.91 | 0.914 |
| Illinois | 30.91b | 28.99 | 0.064 | 14.97a | 12.41 | 0.006 | 46.68b | 44.18 | 0.071 | 30.33 | 28.43 | 0.151 |
| Indiana | 33.09 | 31.94 | 0.484 | 16.84b | 13.92 | 0.073 | 49.30 | 46.49 | 0.254 | 32.42 | 31.85 | 0.788 |
| Iowa | 30.88 | 30.28 | 0.722 | 16.34a | 12.36 | 0.015 | 48.67b | 44.12 | 0.075 | 29.44 | 30.07 | 0.772 |
| Kansas | 31.24 | 30.75 | 0.784 | 15.57 | 13.09 | 0.150 | 45.68 | 47.48 | 0.475 | 30.73 | 29.98 | 0.741 |
| Kentucky | 39.78 | 38.09 | 0.384 | 23.18a | 16.82 | 0.001 | 58.88a | 52.71 | 0.014 | 38.54 | 38.37 | 0.946 |
| Louisiana | 32.70 | 30.71 | 0.251 | 17.58a | 10.60 | 0.000 | 48.21a | 41.14 | 0.004 | 31.87 | 31.46 | 0.852 |
| Maine | 31.33 | 29.85 | 0.427 | 13.55 | 12.06 | 0.344 | 50.44 | 47.69 | 0.274 | 30.69 | 29.32 | 0.548 |
| Maryland | 27.13a | 23.97 | 0.050 | 12.70a | 8.67 | 0.004 | 42.05a | 35.56 | 0.009 | 26.76 | 23.96 | 0.169 |
| Massachusetts | 26.09 | 25.02 | 0.495 | 14.37a | 10.47 | 0.008 | 42.53 | 41.40 | 0.662 | 24.88 | 23.82 | 0.585 |
| Michigan | 32.56a | 30.44 | 0.045 | 15.89a | 12.89 | 0.002 | 47.64 | 45.90 | 0.188 | 32.32 | 30.12 | 0.106 |
| Minnesota | 31.44a | 27.66 | 0.030 | 17.69a | 12.39 | 0.001 | 51.31 | 47.46 | 0.137 | 29.78 | 26.19 | 0.106 |
| Mississippi | 35.49a | 31.64 | 0.031 | 16.57a | 12.02 | 0.004 | 47.77b | 43.40 | 0.083 | 35.87 | 32.23 | 0.116 |
| Missouri | 36.69a | 32.70 | 0.028 | 21.01a | 14.52 | 0.000 | 51.76b | 47.29 | 0.072 | 36.19 | 32.61 | 0.121 |
| Montana | 34.18b | 31.19 | 0.092 | 21.16a | 15.59 | 0.002 | 53.76b | 49.18 | 0.054 | 32.51 | 30.06 | 0.276 |
| Nebraska | 30.59 | 29.08 | 0.394 | 18.86a | 12.22 | 0.000 | 48.81a | 42.30 | 0.009 | 28.76 | 28.80 | 0.986 |
| Nevada | 34.99a | 28.50 | 0.001 | 15.31b | 11.98 | 0.054 | 42.38 | 40.45 | 0.449 | 36.47a | 28.85 | 0.003 |
| New Hampshire | 31.71a | 28.12 | 0.042 | 16.82a | 12.51 | 0.009 | 50.33a | 45.08 | 0.037 | 30.86 | 27.42 | 0.122 |
| New Jersey | 26.84 | 24.82 | 0.260 | 13.65a | 9.81 | 0.012 | 44.45a | 38.33 | 0.013 | 26.04 | 24.60 | 0.520 |
| New Mexico | 29.03 | 26.69 | 0.172 | 15.37 | 12.80 | 0.132 | 45.26 | 42.52 | 0.282 | 28.14 | 25.61 | 0.252 |
| New York | 28.82a | 24.58 | 0.000 | 12.78a | 10.73 | 0.028 | 43.64a | 39.23 | 0.001 | 28.40a | 23.63 | 0.000 |
| North Carolina | 35.90a | 31.32 | 0.016 | 17.97a | 11.95 | 0.000 | 50.13a | 43.64 | 0.011 | 35.88b | 31.73 | 0.083 |
| North Dakota | 32.51 | 30.39 | 0.215 | 20.88a | 13.46 | 0.000 | 49.74 | 46.37 | 0.155 | 30.50 | 28.91 | 0.472 |
| Ohio | 36.03a | 32.27 | 0.001 | 17.27a | 14.04 | 0.001 | 51.79 | 49.55 | 0.103 | 35.91a | 31.75 | 0.004 |
| Oklahoma | 35.86 | 34.82 | 0.592 | 17.60a | 13.74 | 0.035 | 52.96b | 48.47 | 0.099 | 35.16 | 35.09 | 0.976 |
| Oregon | 30.19 | 30.08 | 0.953 | 14.42 | 14.86 | 0.791 | 46.63 | 45.17 | 0.558 | 29.46 | 29.52 | 0.981 |
| Pennsylvania | 32.94a | 29.85 | 0.004 | 16.75a | 11.94 | 0.000 | 50.17a | 44.57 | 0.000 | 32.24a | 29.58 | 0.049 |
| Rhode Island | 31.14a | 26.30 | 0.009 | 16.13a | 10.25 | 0.000 | 51.46a | 41.54 | 0.000 | 29.29b | 25.36 | 0.090 |
| South Carolina | 31.92 | 31.21 | 0.698 | 15.52a | 11.61 | 0.009 | 48.06 | 44.19 | 0.109 | 31.27 | 31.51 | 0.918 |
| South Dakota | 35.10a | 31.28 | 0.031 | 22.82a | 14.88 | 0.000 | 57.69a | 49.50 | 0.001 | 32.53 | 30.13 | 0.291 |
| Tennessee | 33.84 | 33.48 | 0.845 | 17.17a | 12.42 | 0.004 | 46.30 | 46.91 | 0.817 | 33.86 | 33.97 | 0.960 |
| Texas | 29.68a | 27.05 | 0.010 | 13.45a | 10.00 | 0.000 | 42.47a | 38.34 | 0.002 | 29.73b | 27.42 | 0.084 |
| Utah | 19.67 | 18.38 | 0.440 | 8.43 | 6.66 | 0.196 | 25.46 | 24.93 | 0.837 | 20.09 | 18.73 | 0.550 |
| Vermont | 30.64b | 27.60 | 0.093 | 18.33a | 12.63 | 0.001 | 52.64a | 44.41 | 0.001 | 28.49 | 26.55 | 0.392 |
| Virginia | 29.73 | 27.53 | 0.200 | 15.40a | 11.67 | 0.016 | 47.83a | 41.60 | 0.009 | 28.70 | 27.09 | 0.456 |
| Washington | 26.76 | 26.90 | 0.927 | 13.22 | 11.81 | 0.336 | 45.81 | 41.62 | 0.104 | 25.37 | 26.38 | 0.615 |
| West Virginia | 37.22 | 38.38 | 0.565 | 21.34a | 16.86 | 0.017 | 54.26 | 54.24 | 0.993 | 36.30 | 38.41 | 0.395 |
| Wisconsin | 30.55 | 30.14 | 0.818 | 17.30a | 12.76 | 0.007 | 50.41a | 45.36 | 0.046 | 28.84 | 29.71 | 0.700 |
| Wyoming | 34.00 | 34.33 | 0.856 | 16.34 | 18.44 | 0.298 | 55.18a | 49.80 | 0.035 | 32.55 | 33.57 | 0.664 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 25.71a | 23.61 | 0.000 | 12.57a | 8.99 | 0.000 | 40.50a | 35.76 | 0.000 | 24.95a | 23.39 | 0.003 |
| Northeast | 25.27a | 22.24 | 0.000 | 12.72a | 8.46 | 0.000 | 41.63a | 35.74 | 0.000 | 24.27a | 21.63 | 0.001 |
| Midwest | 28.10a | 25.66 | 0.000 | 14.63a | 10.43 | 0.000 | 44.57a | 39.93 | 0.000 | 27.04a | 25.17 | 0.005 |
| South | 26.76a | 24.82 | 0.000 | 13.21a | 9.07 | 0.000 | 40.76a | 35.99 | 0.000 | 26.19b | 24.95 | 0.070 |
| West | 22.03b | 20.86 | 0.060 | 9.47a | 7.94 | 0.001 | 35.22a | 31.64 | 0.000 | 21.45 | 20.64 | 0.315 |
| Alabama | 26.43 | 26.75 | 0.851 | 13.69a | 10.31 | 0.016 | 39.24 | 38.13 | 0.634 | 25.88 | 26.92 | 0.631 |
| Alaska | 25.71 | 24.19 | 0.355 | 13.25a | 9.39 | 0.006 | 43.97a | 38.30 | 0.027 | 24.96 | 23.74 | 0.567 |
| Arizona | 27.51a | 21.96 | 0.001 | 12.84a | 8.70 | 0.003 | 38.85a | 33.04 | 0.016 | 27.60a | 21.85 | 0.007 |
| Arkansas | 32.84 | 30.30 | 0.171 | 16.05a | 12.03 | 0.011 | 50.97a | 42.80 | 0.002 | 31.92 | 30.59 | 0.569 |
| California | 19.36 | 19.29 | 0.944 | 7.48 | 7.02 | 0.505 | 31.77b | 29.52 | 0.089 | 18.83 | 19.05 | 0.855 |
| Colorado | 26.76a | 22.34 | 0.007 | 13.74a | 9.65 | 0.003 | 44.56a | 36.35 | 0.002 | 25.43b | 21.55 | 0.058 |
| Connecticut | 23.78 | 21.49 | 0.160 | 13.45a | 8.64 | 0.001 | 41.56a | 36.50 | 0.038 | 22.56 | 20.72 | 0.362 |
| Delaware | 26.09 | 25.51 | 0.717 | 14.07a | 9.76 | 0.003 | 42.69 | 39.92 | 0.243 | 24.79 | 25.03 | 0.904 |
| District of Columbia | 26.12 | 23.98 | 0.220 | 7.10 | 6.21 | 0.375 | 33.26 | 30.13 | 0.156 | 26.40 | 24.26 | 0.332 |
| Florida | 23.99 | 22.66 | 0.178 | 12.26a | 8.27 | 0.000 | 36.75a | 32.63 | 0.003 | 23.59 | 22.76 | 0.504 |
| Georgia | 25.80 | 24.41 | 0.387 | 12.83a | 8.93 | 0.003 | 35.48 | 35.73 | 0.917 | 25.91 | 24.62 | 0.535 |
| Hawaii | 21.97 | 20.22 | 0.272 | 8.78 | 7.66 | 0.382 | 34.32 | 34.11 | 0.938 | 21.77 | 19.42 | 0.232 |
| Idaho | 23.95 | 23.09 | 0.561 | 12.48a | 8.97 | 0.009 | 39.02 | 35.07 | 0.119 | 22.68 | 23.00 | 0.866 |
| Illinois | 26.77b | 24.92 | 0.054 | 13.00a | 9.98 | 0.001 | 42.75a | 39.01 | 0.005 | 25.85 | 24.34 | 0.225 |
| Indiana | 28.33 | 26.79 | 0.334 | 14.39a | 10.84 | 0.015 | 44.94 | 41.04 | 0.108 | 27.26 | 26.48 | 0.704 |
| Iowa | 26.45 | 24.90 | 0.326 | 14.27a | 10.07 | 0.004 | 41.91b | 37.10 | 0.059 | 25.14 | 24.59 | 0.787 |
| Kansas | 25.95 | 24.99 | 0.533 | 13.95a | 10.74 | 0.029 | 39.62 | 39.71 | 0.972 | 25.06 | 24.14 | 0.645 |
| Kentucky | 34.77 | 31.97 | 0.138 | 17.62a | 12.37 | 0.001 | 53.06a | 44.27 | 0.001 | 33.74 | 32.42 | 0.583 |
| Louisiana | 28.27 | 26.50 | 0.282 | 15.01a | 8.35 | 0.000 | 42.36a | 35.97 | 0.006 | 27.45 | 27.16 | 0.892 |
| Maine | 26.82 | 25.62 | 0.481 | 12.16b | 9.65 | 0.072 | 43.89 | 42.49 | 0.574 | 26.10 | 25.02 | 0.611 |
| Maryland | 23.22a | 20.12 | 0.043 | 11.08a | 7.43 | 0.003 | 35.91b | 31.37 | 0.060 | 22.88 | 19.84 | 0.116 |
| Massachusetts | 22.42 | 21.05 | 0.353 | 11.69a | 7.56 | 0.001 | 38.40 | 34.59 | 0.121 | 21.16 | 20.22 | 0.612 |
| Michigan | 28.19a | 26.17 | 0.050 | 13.59a | 10.35 | 0.000 | 42.81a | 39.82 | 0.028 | 27.74 | 25.93 | 0.177 |
| Minnesota | 26.87a | 23.47 | 0.028 | 15.67a | 9.71 | 0.000 | 48.22a | 40.85 | 0.004 | 24.59 | 22.22 | 0.229 |
| Mississippi | 29.41b | 26.35 | 0.067 | 12.83a | 9.57 | 0.016 | 41.57a | 36.58 | 0.037 | 29.46 | 26.83 | 0.230 |
| Missouri | 31.51a | 26.38 | 0.003 | 17.88a | 10.92 | 0.000 | 47.59a | 39.53 | 0.001 | 30.56a | 26.17 | 0.047 |
| Montana | 27.71b | 24.69 | 0.066 | 16.10a | 11.21 | 0.001 | 44.96a | 39.53 | 0.023 | 26.26 | 23.83 | 0.249 |
| Nebraska | 25.93 | 24.29 | 0.309 | 16.36a | 9.33 | 0.000 | 43.92a | 36.02 | 0.001 | 23.84 | 24.04 | 0.926 |
| Nevada | 30.50a | 24.55 | 0.002 | 12.73a | 9.46 | 0.026 | 36.40 | 33.91 | 0.311 | 31.95a | 25.09 | 0.005 |
| New Hampshire | 26.17b | 23.30 | 0.073 | 14.03a | 10.10 | 0.006 | 44.80a | 39.23 | 0.025 | 24.94 | 22.46 | 0.217 |
| New Jersey | 23.42 | 21.01 | 0.158 | 11.83a | 7.63 | 0.001 | 40.67a | 35.12 | 0.024 | 22.46 | 20.49 | 0.350 |
| New Mexico | 24.05 | 22.70 | 0.415 | 12.34 | 10.00 | 0.116 | 38.45 | 36.07 | 0.339 | 23.19 | 21.91 | 0.544 |
| New York | 25.46a | 21.32 | 0.000 | 11.81a | 8.17 | 0.000 | 40.17a | 34.39 | 0.000 | 24.76a | 20.58 | 0.002 |
| North Carolina | 29.69b | 26.44 | 0.061 | 14.78a | 9.07 | 0.000 | 45.89a | 38.05 | 0.001 | 28.95 | 26.71 | 0.302 |
| North Dakota | 27.53b | 24.62 | 0.092 | 17.53a | 10.36 | 0.000 | 42.78a | 36.37 | 0.010 | 25.71 | 23.76 | 0.372 |
| Ohio | 30.48a | 26.70 | 0.000 | 14.52a | 10.91 | 0.000 | 46.03a | 41.88 | 0.002 | 30.00a | 26.22 | 0.005 |
| Oklahoma | 30.28 | 28.22 | 0.257 | 14.96a | 11.28 | 0.017 | 44.71 | 41.11 | 0.176 | 29.67 | 28.09 | 0.499 |
| Oregon | 24.96 | 24.98 | 0.987 | 11.29 | 10.27 | 0.444 | 41.49 | 37.49 | 0.104 | 23.94 | 24.75 | 0.687 |
| Pennsylvania | 27.68a | 24.85 | 0.008 | 14.73a | 9.64 | 0.000 | 44.78a | 37.79 | 0.000 | 26.59 | 24.55 | 0.134 |
| Rhode Island | 27.35a | 22.52 | 0.005 | 13.72a | 7.91 | 0.000 | 47.60a | 35.28 | 0.000 | 25.34 | 21.88 | 0.113 |
| South Carolina | 26.85 | 26.86 | 0.995 | 12.21a | 9.38 | 0.031 | 42.88a | 37.63 | 0.031 | 25.97 | 27.26 | 0.540 |
| South Dakota | 30.31a | 24.99 | 0.002 | 19.79a | 11.37 | 0.000 | 51.76a | 39.86 | 0.000 | 27.70b | 24.07 | 0.086 |
| Tennessee | 28.03 | 28.28 | 0.883 | 14.33a | 9.67 | 0.001 | 38.83 | 39.52 | 0.780 | 27.95 | 28.81 | 0.691 |
| Texas | 25.56a | 22.52 | 0.002 | 11.65a | 8.15 | 0.000 | 39.18a | 33.67 | 0.000 | 25.09a | 22.52 | 0.048 |
| Utah | 16.74 | 16.35 | 0.803 | 6.57 | 5.33 | 0.323 | 24.61 | 22.37 | 0.377 | 16.36 | 16.73 | 0.865 |
| Vermont | 25.43b | 22.27 | 0.058 | 14.84a | 8.67 | 0.000 | 47.57a | 38.02 | 0.000 | 23.03 | 21.23 | 0.392 |
| Virginia | 25.18 | 23.29 | 0.242 | 14.17a | 9.51 | 0.001 | 43.38a | 35.74 | 0.001 | 23.69 | 22.86 | 0.684 |
| Washington | 23.41 | 22.89 | 0.737 | 10.84 | 8.89 | 0.122 | 42.23a | 35.56 | 0.006 | 21.93 | 22.56 | 0.743 |
| West Virginia | 29.52 | 30.72 | 0.511 | 17.34a | 13.10 | 0.010 | 47.96 | 47.04 | 0.709 | 27.94 | 30.25 | 0.308 |
| Wisconsin | 25.75 | 25.73 | 0.991 | 15.32a | 10.54 | 0.001 | 45.48a | 40.37 | 0.037 | 23.67 | 25.14 | 0.485 |
| Wyoming | 26.81 | 26.50 | 0.856 | 12.78 | 12.52 | 0.868 | 44.46a | 39.22 | 0.032 | 25.50 | 25.99 | 0.820 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 71.27a | 72.32 | 0.008 | 63.67a | 67.74 | 0.000 | 65.46a | 66.89 | 0.006 | 73.33 | 73.85 | 0.267 |
| Northeast | 72.37a | 74.71 | 0.000 | 64.05a | 70.84 | 0.000 | 66.33a | 69.85 | 0.000 | 74.39a | 76.00 | 0.037 |
| Midwest | 69.07 | 68.84 | 0.689 | 63.13a | 66.56 | 0.000 | 62.39 | 63.19 | 0.270 | 71.10 | 70.11 | 0.155 |
| South | 70.12a | 71.95 | 0.001 | 62.02a | 66.18 | 0.000 | 64.11a | 66.16 | 0.004 | 72.28a | 73.66 | 0.031 |
| West | 74.38 | 74.31 | 0.923 | 66.41a | 68.93 | 0.005 | 69.92 | 69.11 | 0.376 | 76.35 | 75.98 | 0.656 |
| Alabama | 68.32 | 68.16 | 0.933 | 62.18 | 61.79 | 0.873 | 62.28 | 62.01 | 0.909 | 70.21 | 70.01 | 0.930 |
| Alaska | 70.30 | 70.83 | 0.779 | 66.56 | 69.17 | 0.263 | 65.46 | 63.86 | 0.514 | 71.83 | 72.39 | 0.812 |
| Arizona | 72.74 | 72.42 | 0.869 | 64.39 | 66.41 | 0.402 | 70.87a | 65.73 | 0.044 | 74.29 | 74.35 | 0.979 |
| Arkansas | 67.91 | 68.23 | 0.861 | 61.55 | 64.77 | 0.175 | 60.58 | 62.45 | 0.466 | 70.08 | 69.61 | 0.836 |
| California | 76.82 | 75.79 | 0.314 | 67.07b | 69.44 | 0.090 | 72.52 | 71.47 | 0.448 | 79.05 | 77.51 | 0.236 |
| Colorado | 70.29b | 73.82 | 0.051 | 63.77a | 68.32 | 0.045 | 61.30a | 67.14 | 0.020 | 72.75 | 75.61 | 0.199 |
| Connecticut | 72.67 | 74.28 | 0.365 | 64.74a | 70.44 | 0.013 | 67.32 | 69.10 | 0.465 | 74.49 | 75.58 | 0.615 |
| Delaware | 71.47 | 74.39 | 0.108 | 63.20a | 70.32 | 0.002 | 64.70b | 69.22 | 0.052 | 73.70 | 75.75 | 0.355 |
| District of Columbia | 74.89 | 77.48 | 0.125 | 61.87a | 67.84 | 0.016 | 74.31 | 72.17 | 0.365 | 76.17b | 79.58 | 0.095 |
| Florida | 72.89a | 75.38 | 0.016 | 63.06a | 68.56 | 0.000 | 69.14 | 69.66 | 0.704 | 74.62b | 76.97 | 0.060 |
| Georgia | 71.86 | 72.77 | 0.598 | 64.49 | 68.11 | 0.112 | 67.39 | 68.28 | 0.704 | 73.73 | 74.18 | 0.836 |
| Hawaii | 71.12 | 73.88 | 0.160 | 65.39b | 70.22 | 0.059 | 68.38 | 68.55 | 0.945 | 72.33 | 75.15 | 0.244 |
| Idaho | 72.24 | 69.75 | 0.163 | 65.57 | 67.69 | 0.361 | 68.57b | 64.40 | 0.097 | 74.08 | 70.99 | 0.161 |
| Illinois | 69.57 | 70.55 | 0.364 | 64.55b | 66.93 | 0.078 | 63.86 | 65.47 | 0.257 | 71.28 | 71.95 | 0.621 |
| Indiana | 69.12 | 67.53 | 0.375 | 64.18 | 66.10 | 0.389 | 63.69 | 62.33 | 0.590 | 70.82 | 68.60 | 0.315 |
| Iowa | 65.85 | 65.37 | 0.806 | 61.99 | 64.07 | 0.379 | 60.18 | 58.23 | 0.446 | 67.44 | 66.80 | 0.791 |
| Kansas | 70.61 | 68.12 | 0.167 | 60.16 | 62.38 | 0.388 | 63.55 | 62.96 | 0.817 | 73.52 | 69.85 | 0.103 |
| Kentucky | 62.46 | 62.09 | 0.866 | 58.90a | 63.93 | 0.037 | 53.67 | 53.74 | 0.979 | 64.43 | 63.17 | 0.635 |
| Louisiana | 67.74a | 72.50 | 0.008 | 59.33a | 66.79 | 0.003 | 63.25 | 67.03 | 0.103 | 69.92a | 74.34 | 0.048 |
| Maine | 69.25 | 70.33 | 0.561 | 64.49b | 68.72 | 0.070 | 61.95 | 62.89 | 0.704 | 70.94 | 71.54 | 0.788 |
| Maryland | 71.76b | 74.82 | 0.096 | 65.27 | 68.79 | 0.126 | 63.95a | 68.84 | 0.050 | 73.89 | 76.60 | 0.227 |
| Massachusetts | 75.55 | 73.07 | 0.157 | 67.22 | 70.38 | 0.159 | 70.84 | 68.89 | 0.411 | 77.31 | 74.13 | 0.137 |
| Michigan | 70.89b | 69.00 | 0.086 | 64.02 | 64.97 | 0.478 | 64.00 | 63.42 | 0.666 | 73.07b | 70.48 | 0.058 |
| Minnesota | 69.68 | 69.20 | 0.795 | 63.18a | 68.13 | 0.030 | 60.26 | 62.61 | 0.351 | 72.32 | 70.46 | 0.421 |
| Mississippi | 68.63 | 69.92 | 0.490 | 59.22 | 63.12 | 0.105 | 62.94 | 63.79 | 0.735 | 71.20 | 72.01 | 0.733 |
| Missouri | 68.02 | 68.56 | 0.777 | 61.78a | 67.33 | 0.012 | 61.37 | 61.91 | 0.829 | 70.06 | 69.81 | 0.912 |
| Montana | 71.38 | 69.12 | 0.214 | 64.76 | 66.09 | 0.553 | 66.77b | 62.17 | 0.065 | 73.14 | 70.64 | 0.271 |
| Nebraska | 69.62 | 68.89 | 0.694 | 63.18 | 65.57 | 0.316 | 63.58 | 61.22 | 0.343 | 71.72 | 70.78 | 0.688 |
| Nevada | 69.57b | 72.72 | 0.088 | 64.24 | 67.44 | 0.182 | 62.56a | 69.00 | 0.013 | 71.38 | 73.95 | 0.254 |
| New Hampshire | 68.63b | 71.79 | 0.095 | 59.52a | 65.14 | 0.019 | 61.12b | 65.72 | 0.061 | 71.05 | 73.52 | 0.286 |
| New Jersey | 75.17 | 74.48 | 0.701 | 64.03a | 70.68 | 0.004 | 66.84 | 69.84 | 0.222 | 77.79 | 75.67 | 0.333 |
| New Mexico | 73.04 | 75.06 | 0.264 | 61.12a | 66.12 | 0.046 | 67.82 | 68.51 | 0.779 | 75.88 | 77.44 | 0.485 |
| New York | 72.81a | 77.85 | 0.000 | 64.32a | 72.74 | 0.000 | 67.84a | 72.80 | 0.001 | 74.71a | 79.39 | 0.001 |
| North Carolina | 68.08a | 71.75 | 0.046 | 60.76a | 69.68 | 0.000 | 59.40a | 66.31 | 0.005 | 70.51 | 72.89 | 0.294 |
| North Dakota | 66.97 | 67.73 | 0.688 | 61.29b | 65.92 | 0.052 | 62.84 | 65.79 | 0.231 | 68.62 | 68.39 | 0.924 |
| Ohio | 67.60b | 69.52 | 0.083 | 61.92a | 67.71 | 0.000 | 59.92a | 63.16 | 0.014 | 69.71 | 70.79 | 0.433 |
| Oklahoma | 66.52 | 68.60 | 0.292 | 60.58 | 61.85 | 0.618 | 58.78a | 64.17 | 0.038 | 68.86 | 70.29 | 0.562 |
| Oregon | 72.21 | 71.66 | 0.763 | 68.14 | 66.95 | 0.595 | 69.69a | 63.06 | 0.005 | 73.18 | 73.54 | 0.872 |
| Pennsylvania | 68.77a | 71.97 | 0.003 | 62.31a | 69.40 | 0.000 | 61.54a | 66.93 | 0.000 | 70.77b | 73.11 | 0.079 |
| Rhode Island | 73.34 | 71.90 | 0.454 | 65.01b | 69.18 | 0.073 | 72.97b | 68.62 | 0.077 | 74.43 | 72.84 | 0.501 |
| South Carolina | 69.38 | 71.49 | 0.240 | 62.27 | 65.70 | 0.139 | 61.91 | 65.04 | 0.203 | 71.66 | 73.27 | 0.466 |
| South Dakota | 65.09 | 68.12 | 0.128 | 60.68a | 68.13 | 0.002 | 56.27a | 65.31 | 0.001 | 67.49 | 68.62 | 0.649 |
| Tennessee | 66.84 | 67.13 | 0.879 | 62.38 | 63.06 | 0.783 | 60.70 | 61.76 | 0.698 | 68.44 | 68.45 | 0.997 |
| Texas | 71.88 | 73.23 | 0.184 | 61.14a | 64.27 | 0.030 | 66.08 | 67.59 | 0.280 | 74.73 | 75.59 | 0.498 |
| Utah | 75.00 | 75.66 | 0.681 | 71.49b | 75.34 | 0.080 | 72.28 | 70.56 | 0.480 | 76.47 | 76.99 | 0.802 |
| Vermont | 70.15a | 74.99 | 0.006 | 63.59a | 69.50 | 0.012 | 62.72b | 67.30 | 0.070 | 72.30a | 76.86 | 0.033 |
| Virginia | 70.95 | 72.94 | 0.274 | 64.05a | 69.20 | 0.026 | 66.03 | 65.23 | 0.746 | 72.67 | 74.71 | 0.360 |
| Washington | 70.63 | 72.36 | 0.325 | 66.48 | 68.84 | 0.296 | 64.26 | 65.43 | 0.641 | 72.29 | 73.91 | 0.451 |
| West Virginia | 67.26 | 65.91 | 0.501 | 59.35 | 62.92 | 0.123 | 58.54 | 59.46 | 0.720 | 69.58 | 67.16 | 0.321 |
| Wisconsin | 69.71 | 67.20 | 0.187 | 63.58b | 68.12 | 0.059 | 63.81 | 63.02 | 0.747 | 71.63b | 67.80 | 0.100 |
| Wyoming | 68.09 | 70.06 | 0.287 | 64.05a | 69.12 | 0.021 | 61.46 | 62.63 | 0.634 | 69.95 | 71.50 | 0.499 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Dependence or abuse is based on definitions found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 7.59 | 7.37 | 0.174 | 5.88a | 4.73 | 0.000 | 17.43b | 16.61 | 0.074 | 6.12 | 6.12 | 0.992 |
| Northeast | 7.24 | 7.23 | 0.987 | 5.73a | 4.58 | 0.000 | 17.46 | 17.29 | 0.808 | 5.81 | 5.86 | 0.886 |
| Midwest | 8.48a | 7.84 | 0.011 | 6.49a | 5.13 | 0.000 | 19.88a | 18.22 | 0.005 | 6.72 | 6.40 | 0.305 |
| South | 7.11 | 6.86 | 0.234 | 5.45a | 4.13 | 0.000 | 16.39a | 15.04 | 0.019 | 5.73 | 5.82 | 0.735 |
| West | 7.76 | 7.86 | 0.765 | 6.04b | 5.40 | 0.088 | 16.58 | 16.97 | 0.609 | 6.40 | 6.54 | 0.731 |
| Alabama | 6.08 | 6.39 | 0.653 | 4.83 | 4.16 | 0.378 | 13.65 | 13.56 | 0.954 | 4.91 | 5.45 | 0.511 |
| Alaska | 8.63 | 8.11 | 0.554 | 6.15 | 5.39 | 0.428 | 18.79 | 16.98 | 0.361 | 7.37 | 6.85 | 0.631 |
| Arizona | 9.29b | 7.74 | 0.073 | 7.38b | 5.45 | 0.062 | 19.36 | 18.20 | 0.578 | 7.75 | 6.27 | 0.150 |
| Arkansas | 7.57 | 6.74 | 0.260 | 6.15 | 4.90 | 0.154 | 17.59 | 15.53 | 0.260 | 5.98 | 5.54 | 0.613 |
| California | 7.22 | 7.87 | 0.192 | 5.51 | 5.30 | 0.715 | 14.83 | 16.39 | 0.161 | 6.07 | 6.60 | 0.391 |
| Colorado | 9.20 | 9.03 | 0.843 | 6.71 | 6.38 | 0.749 | 20.66 | 21.14 | 0.815 | 7.54 | 7.33 | 0.839 |
| Connecticut | 6.90a | 8.63 | 0.037 | 5.39 | 5.95 | 0.564 | 18.87 | 20.03 | 0.572 | 5.36b | 7.16 | 0.068 |
| Delaware | 7.65 | 7.90 | 0.752 | 5.76 | 4.90 | 0.305 | 18.17 | 19.03 | 0.647 | 6.08 | 6.41 | 0.728 |
| District of Columbia | 9.20 | 9.24 | 0.971 | 3.00 | 3.01 | 0.976 | 16.26 | 16.98 | 0.706 | 8.37 | 8.09 | 0.815 |
| Florida | 6.86 | 6.92 | 0.914 | 5.40a | 4.33 | 0.042 | 16.89a | 14.55 | 0.029 | 5.60 | 6.07 | 0.427 |
| Georgia | 7.37 | 6.70 | 0.385 | 4.78b | 3.39 | 0.068 | 14.90 | 14.95 | 0.978 | 6.37 | 5.76 | 0.510 |
| Hawaii | 7.52 | 7.60 | 0.926 | 6.42 | 5.78 | 0.601 | 18.14 | 16.44 | 0.416 | 5.97 | 6.39 | 0.680 |
| Idaho | 8.45b | 7.10 | 0.077 | 7.79a | 5.15 | 0.009 | 18.37 | 16.23 | 0.236 | 6.51 | 5.77 | 0.423 |
| Illinois | 8.74a | 7.58 | 0.033 | 6.08a | 4.34 | 0.002 | 19.49 | 17.60 | 0.111 | 7.21 | 6.20 | 0.127 |
| Indiana | 7.90 | 6.99 | 0.206 | 6.21 | 4.99 | 0.187 | 19.19 | 16.92 | 0.225 | 6.06 | 5.58 | 0.568 |
| Iowa | 8.25 | 8.63 | 0.622 | 7.56 | 6.66 | 0.413 | 19.67 | 19.71 | 0.983 | 6.18 | 6.92 | 0.422 |
| Kansas | 7.14 | 8.05 | 0.247 | 5.12 | 5.68 | 0.544 | 18.49 | 19.42 | 0.646 | 5.24 | 6.24 | 0.265 |
| Kentucky | 6.16 | 5.95 | 0.755 | 5.26b | 3.80 | 0.072 | 14.67 | 14.12 | 0.746 | 4.80 | 4.94 | 0.859 |
| Louisiana | 7.95 | 7.01 | 0.222 | 5.97a | 3.64 | 0.005 | 17.56 | 14.88 | 0.118 | 6.33 | 5.96 | 0.696 |
| Maine | 7.31 | 6.69 | 0.404 | 5.59b | 4.05 | 0.062 | 18.26 | 17.48 | 0.680 | 5.88 | 5.48 | 0.641 |
| Maryland | 7.55 | 6.52 | 0.172 | 5.37a | 3.38 | 0.011 | 15.98 | 13.93 | 0.241 | 6.52 | 5.67 | 0.345 |
| Massachusetts | 8.60 | 7.41 | 0.155 | 7.35a | 4.73 | 0.007 | 18.47 | 18.81 | 0.870 | 7.18 | 5.71 | 0.132 |
| Michigan | 8.46 | 7.63 | 0.111 | 6.42a | 4.88 | 0.006 | 18.29 | 16.74 | 0.147 | 7.05 | 6.45 | 0.357 |
| Minnesota | 9.01 | 9.21 | 0.819 | 7.24 | 5.76 | 0.130 | 20.99 | 21.10 | 0.957 | 7.08 | 7.61 | 0.622 |
| Mississippi | 6.46 | 6.20 | 0.722 | 3.78 | 3.63 | 0.825 | 13.96 | 13.06 | 0.583 | 5.35 | 5.30 | 0.954 |
| Missouri | 7.89 | 7.61 | 0.713 | 6.34 | 5.15 | 0.177 | 19.76 | 17.60 | 0.247 | 6.01 | 6.27 | 0.773 |
| Montana | 10.70 | 9.86 | 0.419 | 11.21a | 8.23 | 0.036 | 23.39 | 24.71 | 0.552 | 8.36 | 7.57 | 0.524 |
| Nebraska | 10.18b | 8.45 | 0.055 | 8.94a | 5.66 | 0.006 | 25.16a | 18.99 | 0.004 | 7.47 | 6.82 | 0.545 |
| Nevada | 8.01 | 7.58 | 0.605 | 6.93 | 5.46 | 0.153 | 16.19 | 16.78 | 0.754 | 6.88 | 6.49 | 0.697 |
| New Hampshire | 9.09b | 7.51 | 0.058 | 7.54a | 5.12 | 0.010 | 23.21b | 19.27 | 0.051 | 7.10 | 6.00 | 0.267 |
| New Jersey | 6.30 | 6.57 | 0.703 | 5.16b | 3.70 | 0.073 | 16.62 | 15.79 | 0.644 | 4.97 | 5.50 | 0.534 |
| New Mexico | 10.01 | 8.68 | 0.168 | 7.73 | 6.67 | 0.388 | 22.68b | 18.81 | 0.081 | 8.01 | 7.07 | 0.424 |
| New York | 7.15 | 7.88 | 0.165 | 5.59 | 5.27 | 0.577 | 15.84a | 18.09 | 0.047 | 5.90 | 6.36 | 0.476 |
| North Carolina | 6.75 | 6.23 | 0.470 | 5.66a | 3.38 | 0.005 | 16.54 | 14.56 | 0.258 | 5.25 | 5.24 | 0.988 |
| North Dakota | 10.83a | 8.39 | 0.006 | 10.33a | 5.28 | 0.000 | 27.11a | 20.58 | 0.005 | 7.49 | 6.06 | 0.162 |
| Ohio | 7.90 | 7.63 | 0.580 | 5.80 | 5.15 | 0.228 | 18.54 | 17.80 | 0.515 | 6.36 | 6.27 | 0.876 |
| Oklahoma | 6.92 | 7.59 | 0.374 | 5.68 | 4.98 | 0.447 | 17.03 | 16.84 | 0.918 | 5.15 | 6.25 | 0.217 |
| Oregon | 7.37 | 8.50 | 0.177 | 5.84 | 6.33 | 0.599 | 17.83 | 18.65 | 0.661 | 5.79 | 7.18 | 0.158 |
| Pennsylvania | 6.93b | 6.11 | 0.070 | 5.34a | 3.61 | 0.000 | 18.08a | 14.88 | 0.003 | 5.33 | 4.97 | 0.514 |
| Rhode Island | 10.10a | 8.24 | 0.048 | 6.62b | 4.86 | 0.079 | 25.59a | 18.05 | 0.001 | 7.70 | 6.81 | 0.411 |
| South Carolina | 7.88 | 7.89 | 0.992 | 4.83 | 4.00 | 0.295 | 19.48b | 16.28 | 0.089 | 6.23 | 6.99 | 0.453 |
| South Dakota | 10.79 | 9.79 | 0.277 | 9.77a | 6.76 | 0.020 | 26.15 | 23.48 | 0.225 | 7.93 | 7.71 | 0.841 |
| Tennessee | 5.97 | 6.09 | 0.863 | 4.77b | 3.27 | 0.051 | 14.83 | 13.95 | 0.632 | 4.63 | 5.22 | 0.447 |
| Texas | 7.62 | 6.95 | 0.153 | 5.84a | 4.62 | 0.033 | 16.78a | 14.68 | 0.047 | 6.10 | 5.84 | 0.650 |
| Utah | 6.87 | 6.00 | 0.241 | 4.72b | 3.30 | 0.077 | 12.98 | 12.15 | 0.621 | 5.50 | 4.92 | 0.533 |
| Vermont | 7.77 | 7.83 | 0.940 | 6.45b | 4.93 | 0.092 | 19.28 | 20.05 | 0.701 | 5.96 | 6.16 | 0.831 |
| Virginia | 7.33 | 8.05 | 0.366 | 6.18 | 5.07 | 0.223 | 17.60 | 19.45 | 0.325 | 5.81 | 6.48 | 0.488 |
| Washington | 7.47 | 7.08 | 0.597 | 5.83 | 4.73 | 0.206 | 18.24 | 16.18 | 0.251 | 5.85 | 5.90 | 0.951 |
| West Virginia | 6.52 | 6.53 | 0.987 | 6.32a | 4.44 | 0.031 | 16.12 | 15.30 | 0.652 | 4.99 | 5.48 | 0.526 |
| Wisconsin | 9.53b | 8.09 | 0.079 | 7.19b | 5.43 | 0.086 | 23.30b | 19.67 | 0.066 | 7.39 | 6.46 | 0.343 |
| Wyoming | 9.23 | 8.49 | 0.392 | 7.54 | 6.88 | 0.542 | 23.24b | 19.45 | 0.071 | 6.81 | 6.75 | 0.954 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Dependence is based on the definition found in the 4th edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-IV). NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 3.34 | 3.52 | 0.160 | 2.09 | 1.91 | 0.143 | 6.87 | 6.90 | 0.887 | 2.90 | 3.14 | 0.144 |
| Northeast | 3.35 | 3.47 | 0.551 | 2.13 | 1.94 | 0.310 | 6.80 | 7.33 | 0.186 | 2.95 | 3.01 | 0.834 |
| Midwest | 3.51 | 3.51 | 0.977 | 2.19 | 1.97 | 0.153 | 7.70 | 7.51 | 0.566 | 2.94 | 3.03 | 0.698 |
| South | 3.14b | 3.41 | 0.098 | 1.94 | 1.72 | 0.138 | 6.42 | 6.32 | 0.730 | 2.73b | 3.13 | 0.059 |
| West | 3.48 | 3.74 | 0.263 | 2.19 | 2.13 | 0.819 | 6.77 | 6.89 | 0.770 | 3.06 | 3.38 | 0.286 |
| Alabama | 2.76 | 3.14 | 0.360 | 1.67 | 1.75 | 0.847 | 5.54 | 6.23 | 0.453 | 2.41 | 2.79 | 0.473 |
| Alaska | 3.75 | 3.86 | 0.847 | 2.33 | 1.81 | 0.275 | 7.09 | 6.78 | 0.761 | 3.45 | 3.61 | 0.825 |
| Arizona | 3.91 | 3.52 | 0.455 | 3.20b | 2.05 | 0.062 | 7.94 | 7.40 | 0.658 | 3.29 | 3.06 | 0.730 |
| Arkansas | 3.29 | 3.22 | 0.878 | 2.34 | 1.74 | 0.174 | 6.90 | 6.59 | 0.766 | 2.77 | 2.86 | 0.889 |
| California | 3.40 | 3.82 | 0.241 | 1.87 | 2.17 | 0.372 | 6.11 | 6.56 | 0.472 | 3.13 | 3.53 | 0.387 |
| Colorado | 3.73 | 3.69 | 0.927 | 2.51 | 1.93 | 0.234 | 7.74 | 6.89 | 0.431 | 3.20 | 3.37 | 0.798 |
| Connecticut | 2.96 | 3.48 | 0.293 | 1.88 | 2.08 | 0.685 | 6.60 | 7.24 | 0.545 | 2.57 | 3.06 | 0.424 |
| Delaware | 3.43 | 3.45 | 0.978 | 1.93 | 1.74 | 0.634 | 7.50 | 6.60 | 0.401 | 2.93 | 3.13 | 0.746 |
| District of Columbia | 4.81 | 4.62 | 0.773 | 1.44 | 1.23 | 0.577 | 6.76 | 7.76 | 0.380 | 4.73 | 4.23 | 0.564 |
| Florida | 2.91b | 3.58 | 0.053 | 1.79 | 1.74 | 0.874 | 6.45 | 6.13 | 0.597 | 2.54a | 3.41 | 0.049 |
| Georgia | 3.19 | 3.52 | 0.514 | 1.65 | 1.46 | 0.611 | 5.26 | 6.17 | 0.326 | 3.04 | 3.36 | 0.629 |
| Hawaii | 3.52 | 3.26 | 0.630 | 2.87 | 2.05 | 0.205 | 7.21 | 7.05 | 0.905 | 3.02 | 2.79 | 0.733 |
| Idaho | 3.66 | 3.22 | 0.325 | 2.83 | 2.11 | 0.186 | 7.23 | 6.95 | 0.792 | 3.06 | 2.72 | 0.565 |
| Illinois | 3.73 | 3.66 | 0.846 | 2.25b | 1.69 | 0.079 | 7.59 | 7.92 | 0.646 | 3.25 | 3.15 | 0.824 |
| Indiana | 3.17 | 3.33 | 0.710 | 2.19 | 2.20 | 0.993 | 7.47 | 7.62 | 0.895 | 2.52 | 2.76 | 0.658 |
| Iowa | 3.15 | 3.41 | 0.543 | 2.71 | 2.41 | 0.587 | 6.94 | 6.94 | 0.996 | 2.49 | 2.91 | 0.435 |
| Kansas | 2.88 | 3.40 | 0.226 | 1.81 | 1.99 | 0.708 | 6.81 | 6.99 | 0.871 | 2.28 | 2.91 | 0.246 |
| Kentucky | 2.81 | 2.97 | 0.700 | 1.92 | 1.72 | 0.644 | 5.98 | 5.90 | 0.935 | 2.37 | 2.67 | 0.583 |
| Louisiana | 3.87 | 3.53 | 0.506 | 2.67a | 1.50 | 0.014 | 7.50 | 6.28 | 0.252 | 3.32 | 3.28 | 0.952 |
| Maine | 3.33 | 3.20 | 0.792 | 2.36 | 1.67 | 0.132 | 8.12 | 6.75 | 0.226 | 2.73 | 2.88 | 0.798 |
| Maryland | 3.63 | 3.50 | 0.783 | 1.94 | 1.62 | 0.427 | 6.20 | 6.17 | 0.977 | 3.46 | 3.28 | 0.784 |
| Massachusetts | 3.95 | 3.62 | 0.521 | 2.89 | 2.04 | 0.112 | 7.45 | 7.92 | 0.671 | 3.52 | 3.04 | 0.473 |
| Michigan | 3.80 | 3.42 | 0.252 | 2.26 | 1.95 | 0.324 | 7.73 | 6.82 | 0.175 | 3.34 | 3.04 | 0.480 |
| Minnesota | 3.56 | 4.18 | 0.224 | 2.57 | 2.03 | 0.286 | 7.62 | 7.78 | 0.888 | 2.97 | 3.83 | 0.175 |
| Mississippi | 3.11 | 3.33 | 0.649 | 1.37 | 1.58 | 0.583 | 5.05 | 6.17 | 0.256 | 2.98 | 3.06 | 0.902 |
| Missouri | 3.17 | 3.26 | 0.836 | 1.87 | 1.90 | 0.951 | 7.60 | 6.58 | 0.335 | 2.57 | 2.89 | 0.560 |
| Montana | 4.43 | 4.06 | 0.562 | 4.75a | 2.65 | 0.013 | 9.64 | 10.78 | 0.443 | 3.46 | 3.10 | 0.653 |
| Nebraska | 3.85 | 3.52 | 0.478 | 2.85 | 2.09 | 0.154 | 7.99 | 7.33 | 0.576 | 3.20 | 2.99 | 0.722 |
| Nevada | 3.44 | 3.60 | 0.747 | 2.23 | 2.22 | 0.985 | 6.84 | 6.82 | 0.984 | 3.07 | 3.30 | 0.712 |
| New Hampshire | 3.48 | 3.45 | 0.953 | 2.32 | 2.40 | 0.881 | 7.69 | 8.31 | 0.589 | 2.98 | 2.84 | 0.805 |
| New Jersey | 2.97 | 3.06 | 0.848 | 1.81 | 1.71 | 0.811 | 6.57 | 5.95 | 0.526 | 2.61 | 2.78 | 0.769 |
| New Mexico | 4.05 | 4.21 | 0.778 | 2.72 | 2.46 | 0.693 | 9.90 | 8.45 | 0.310 | 3.17 | 3.67 | 0.504 |
| New York | 3.60 | 3.88 | 0.459 | 2.17 | 2.25 | 0.816 | 6.48a | 8.42 | 0.006 | 3.30 | 3.27 | 0.941 |
| North Carolina | 3.05 | 3.48 | 0.355 | 1.93 | 1.49 | 0.287 | 6.13 | 6.48 | 0.725 | 2.69 | 3.24 | 0.348 |
| North Dakota | 3.75 | 3.35 | 0.409 | 3.25a | 2.12 | 0.046 | 8.42 | 7.61 | 0.483 | 2.84 | 2.55 | 0.640 |
| Ohio | 3.39 | 3.35 | 0.909 | 1.72 | 1.92 | 0.496 | 7.87 | 7.78 | 0.890 | 2.85 | 2.81 | 0.918 |
| Oklahoma | 2.86 | 3.29 | 0.281 | 2.02 | 1.90 | 0.781 | 6.61 | 7.35 | 0.490 | 2.26 | 2.74 | 0.351 |
| Oregon | 3.31b | 4.24 | 0.078 | 2.13 | 2.24 | 0.826 | 7.26 | 7.79 | 0.627 | 2.80b | 3.92 | 0.090 |
| Pennsylvania | 2.90 | 2.98 | 0.803 | 1.89 | 1.51 | 0.200 | 6.56 | 5.99 | 0.376 | 2.44 | 2.67 | 0.575 |
| Rhode Island | 4.39 | 4.23 | 0.800 | 2.41 | 1.78 | 0.228 | 10.70a | 7.65 | 0.022 | 3.49 | 3.89 | 0.631 |
| South Carolina | 3.64 | 4.07 | 0.467 | 1.76 | 1.56 | 0.633 | 7.93 | 6.40 | 0.167 | 3.13 | 4.00 | 0.255 |
| South Dakota | 4.50 | 3.72 | 0.175 | 3.86a | 2.21 | 0.010 | 8.72 | 9.19 | 0.726 | 3.77 | 2.93 | 0.250 |
| Tennessee | 2.71 | 3.26 | 0.219 | 1.71 | 1.64 | 0.867 | 5.87 | 6.52 | 0.525 | 2.31 | 2.96 | 0.249 |
| Texas | 3.11 | 3.14 | 0.913 | 1.93 | 1.90 | 0.924 | 6.69 | 5.79 | 0.158 | 2.60 | 2.83 | 0.543 |
| Utah | 3.14 | 3.21 | 0.858 | 1.77 | 1.78 | 0.993 | 5.61 | 5.78 | 0.856 | 2.67 | 2.81 | 0.799 |
| Vermont | 3.25 | 3.82 | 0.278 | 2.90b | 1.95 | 0.082 | 7.10 | 7.49 | 0.730 | 2.64 | 3.44 | 0.230 |
| Virginia | 3.48 | 3.64 | 0.739 | 2.60 | 1.91 | 0.156 | 7.38 | 7.85 | 0.671 | 2.96 | 3.13 | 0.781 |
| Washington | 3.16 | 3.49 | 0.460 | 2.19 | 2.06 | 0.793 | 7.44 | 7.37 | 0.951 | 2.56 | 3.04 | 0.396 |
| West Virginia | 2.74 | 3.32 | 0.220 | 2.30 | 2.04 | 0.608 | 6.01 | 6.62 | 0.559 | 2.26 | 2.98 | 0.214 |
| Wisconsin | 3.64 | 3.64 | 0.988 | 2.27 | 2.14 | 0.802 | 8.56 | 8.21 | 0.763 | 2.95 | 3.05 | 0.877 |
| Wyoming | 3.57 | 3.48 | 0.857 | 2.40 | 2.51 | 0.836 | 8.17 | 7.95 | 0.851 | 2.87 | 2.81 | 0.929 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically; these estimates are based on data from original questions, excluding those on the use of over-the-counter drugs or new methamphetamine items that were 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). NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 2.95 | 2.81 | 0.132 | 5.35a | 4.46 | 0.000 | 8.02 | 7.72 | 0.197 | 1.74 | 1.75 | 0.897 |
| Northeast | 2.97 | 2.96 | 0.930 | 5.45a | 4.26 | 0.000 | 8.99 | 8.78 | 0.640 | 1.70 | 1.82 | 0.472 |
| Midwest | 2.84b | 2.64 | 0.095 | 5.47a | 4.56 | 0.001 | 7.69 | 7.27 | 0.222 | 1.60 | 1.59 | 0.926 |
| South | 2.92 | 2.75 | 0.168 | 5.22a | 4.20 | 0.000 | 7.53 | 7.26 | 0.395 | 1.80 | 1.81 | 0.976 |
| West | 3.09 | 2.94 | 0.365 | 5.36 | 4.91 | 0.242 | 8.36 | 8.00 | 0.447 | 1.79 | 1.76 | 0.854 |
| Alabama | 2.68 | 2.76 | 0.820 | 4.67 | 4.22 | 0.576 | 6.53 | 7.21 | 0.512 | 1.73 | 1.82 | 0.829 |
| Alaska | 3.13 | 2.96 | 0.609 | 6.31a | 4.37 | 0.040 | 8.57 | 7.62 | 0.430 | 1.62 | 1.87 | 0.514 |
| Arizona | 3.35 | 2.98 | 0.330 | 6.83a | 4.51 | 0.029 | 8.15 | 8.54 | 0.756 | 1.98 | 1.84 | 0.743 |
| Arkansas | 2.96 | 2.86 | 0.775 | 5.13 | 4.66 | 0.601 | 7.94 | 7.16 | 0.487 | 1.77 | 1.93 | 0.675 |
| California | 3.01 | 2.94 | 0.785 | 4.93 | 4.99 | 0.927 | 7.82 | 7.80 | 0.985 | 1.84 | 1.72 | 0.680 |
| Colorado | 3.23 | 2.96 | 0.444 | 5.02 | 5.62 | 0.546 | 10.20 | 8.49 | 0.215 | 1.78 | 1.71 | 0.874 |
| Connecticut | 2.88 | 2.92 | 0.887 | 5.41 | 4.38 | 0.241 | 9.20 | 9.11 | 0.941 | 1.62 | 1.76 | 0.721 |
| Delaware | 3.03 | 2.87 | 0.636 | 5.26 | 4.66 | 0.490 | 8.03 | 8.76 | 0.540 | 1.89 | 1.68 | 0.606 |
| District of Columbia | 3.96 | 4.38 | 0.495 | 4.30 | 3.83 | 0.571 | 8.72 | 8.72 | 1.000 | 2.99 | 3.46 | 0.530 |
| Florida | 3.12 | 2.73 | 0.152 | 5.77a | 4.27 | 0.008 | 8.41 | 7.22 | 0.105 | 2.04 | 1.90 | 0.654 |
| Georgia | 2.88 | 2.56 | 0.363 | 4.93 | 3.83 | 0.180 | 6.35 | 6.93 | 0.589 | 1.95 | 1.65 | 0.469 |
| Hawaii | 2.75 | 2.90 | 0.719 | 5.77b | 3.96 | 0.075 | 8.13 | 7.49 | 0.633 | 1.48 | 2.05 | 0.251 |
| Idaho | 2.93 | 3.02 | 0.785 | 6.02 | 5.09 | 0.342 | 7.66 | 7.74 | 0.945 | 1.46 | 1.89 | 0.222 |
| Illinois | 2.81 | 2.62 | 0.382 | 5.36 | 4.48 | 0.114 | 7.69 | 7.08 | 0.361 | 1.59 | 1.57 | 0.929 |
| Indiana | 2.84 | 3.04 | 0.533 | 4.68 | 5.12 | 0.628 | 7.88 | 7.88 | 0.995 | 1.64 | 1.96 | 0.416 |
| Iowa | 2.52a | 1.89 | 0.034 | 4.81 | 4.10 | 0.427 | 6.61 | 5.37 | 0.232 | 1.44 | 1.00 | 0.179 |
| Kansas | 2.52 | 2.28 | 0.437 | 4.35 | 4.01 | 0.697 | 6.66 | 6.47 | 0.855 | 1.44 | 1.27 | 0.617 |
| Kentucky | 2.80 | 3.22 | 0.220 | 5.24 | 4.23 | 0.238 | 7.41 | 9.19 | 0.158 | 1.69 | 2.17 | 0.228 |
| Louisiana | 3.34 | 2.90 | 0.238 | 5.07b | 3.72 | 0.098 | 7.63 | 7.59 | 0.968 | 2.21 | 1.88 | 0.467 |
| Maine | 2.94 | 2.87 | 0.835 | 5.66 | 4.43 | 0.166 | 9.78 | 9.77 | 0.992 | 1.57 | 1.74 | 0.653 |
| Maryland | 3.02 | 2.81 | 0.552 | 5.22 | 3.87 | 0.115 | 9.15 | 7.62 | 0.226 | 1.75 | 1.86 | 0.796 |
| Massachusetts | 3.63 | 3.48 | 0.713 | 6.44a | 4.42 | 0.036 | 11.41 | 9.83 | 0.284 | 2.05 | 2.24 | 0.690 |
| Michigan | 2.99 | 2.97 | 0.943 | 6.16a | 4.66 | 0.010 | 7.52 | 8.15 | 0.349 | 1.75 | 1.87 | 0.678 |
| Minnesota | 2.75 | 2.37 | 0.226 | 5.73 | 4.31 | 0.108 | 7.45 | 6.63 | 0.458 | 1.48 | 1.40 | 0.821 |
| Mississippi | 2.85 | 2.55 | 0.350 | 4.23 | 3.88 | 0.634 | 6.79 | 6.89 | 0.919 | 1.84 | 1.56 | 0.478 |
| Missouri | 3.01 | 2.50 | 0.113 | 5.13 | 4.37 | 0.367 | 8.54 | 7.37 | 0.293 | 1.74 | 1.47 | 0.458 |
| Montana | 3.19 | 2.71 | 0.169 | 7.18a | 4.49 | 0.010 | 8.48 | 8.01 | 0.685 | 1.69 | 1.61 | 0.846 |
| Nebraska | 2.84a | 2.06 | 0.012 | 5.92 | 4.49 | 0.133 | 7.04 | 5.41 | 0.106 | 1.59 | 1.11 | 0.173 |
| Nevada | 2.98 | 3.45 | 0.241 | 5.98 | 5.01 | 0.320 | 8.03 | 8.89 | 0.469 | 1.78 | 2.44 | 0.172 |
| New Hampshire | 3.37 | 3.37 | 0.997 | 6.95 | 5.30 | 0.118 | 11.18 | 10.01 | 0.436 | 1.67 | 2.12 | 0.290 |
| New Jersey | 2.69 | 2.51 | 0.560 | 5.06 | 4.11 | 0.261 | 7.82 | 7.26 | 0.605 | 1.65 | 1.57 | 0.832 |
| New Mexico | 3.81b | 3.07 | 0.082 | 6.05 | 5.97 | 0.941 | 11.15b | 8.39 | 0.069 | 2.09 | 1.71 | 0.426 |
| New York | 3.03 | 3.14 | 0.671 | 5.28b | 4.30 | 0.082 | 8.87 | 9.64 | 0.326 | 1.78 | 1.82 | 0.875 |
| North Carolina | 2.94 | 2.50 | 0.172 | 5.67b | 4.20 | 0.090 | 7.39 | 6.89 | 0.618 | 1.83 | 1.58 | 0.513 |
| North Dakota | 2.79b | 2.23 | 0.065 | 5.89b | 4.28 | 0.073 | 7.33 | 6.18 | 0.296 | 1.41 | 1.09 | 0.318 |
| Ohio | 2.93 | 2.79 | 0.512 | 5.61b | 4.63 | 0.069 | 8.36 | 7.95 | 0.542 | 1.63 | 1.71 | 0.752 |
| Oklahoma | 2.85 | 3.06 | 0.557 | 5.13 | 4.74 | 0.677 | 7.89 | 7.48 | 0.732 | 1.56 | 2.04 | 0.234 |
| Oregon | 3.05 | 3.43 | 0.293 | 5.27 | 4.83 | 0.630 | 9.44 | 9.54 | 0.943 | 1.67 | 2.32 | 0.136 |
| Pennsylvania | 2.60 | 2.59 | 0.965 | 5.11a | 4.01 | 0.035 | 7.76 | 7.17 | 0.397 | 1.44 | 1.67 | 0.388 |
| Rhode Island | 3.90 | 4.15 | 0.633 | 6.15 | 4.79 | 0.186 | 12.71 | 10.83 | 0.263 | 2.02 | 2.82 | 0.177 |
| South Carolina | 2.85 | 3.00 | 0.698 | 4.67 | 4.05 | 0.431 | 7.87 | 7.00 | 0.446 | 1.72 | 2.21 | 0.272 |
| South Dakota | 2.67 | 2.61 | 0.836 | 5.83 | 4.96 | 0.354 | 7.10 | 7.08 | 0.985 | 1.32 | 1.50 | 0.566 |
| Tennessee | 2.80 | 2.35 | 0.151 | 4.85 | 3.72 | 0.147 | 7.08 | 6.28 | 0.463 | 1.82 | 1.58 | 0.530 |
| Texas | 2.73 | 2.75 | 0.943 | 5.14 | 4.44 | 0.203 | 6.89 | 7.05 | 0.812 | 1.53 | 1.69 | 0.558 |
| Utah | 2.85 | 2.95 | 0.772 | 4.75 | 4.55 | 0.821 | 5.98 | 7.42 | 0.190 | 1.57 | 1.56 | 0.959 |
| Vermont | 3.63 | 3.05 | 0.143 | 7.86a | 4.10 | 0.000 | 12.03 | 10.03 | 0.181 | 1.62 | 1.79 | 0.668 |
| Virginia | 3.03 | 2.78 | 0.465 | 5.67 | 4.34 | 0.153 | 8.55 | 7.76 | 0.496 | 1.79 | 1.75 | 0.922 |
| Washington | 3.29a | 2.48 | 0.010 | 6.05b | 4.48 | 0.095 | 10.50a | 7.71 | 0.029 | 1.67 | 1.39 | 0.403 |
| West Virginia | 2.96 | 3.18 | 0.572 | 5.58b | 4.07 | 0.091 | 9.27 | 8.48 | 0.544 | 1.64 | 2.32 | 0.115 |
| Wisconsin | 2.71 | 2.50 | 0.479 | 5.86 | 4.74 | 0.228 | 7.28 | 7.00 | 0.804 | 1.45 | 1.46 | 0.986 |
| Wyoming | 2.64 | 2.34 | 0.315 | 4.53 | 4.90 | 0.677 | 8.18 | 6.55 | 0.161 | 1.32 | 1.27 | 0.886 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically; these estimates are based on data from original questions, excluding those on the use of over-the-counter drugs or new methamphetamine items that were 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). NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 1.91 | 1.94 | 0.635 | 2.97a | 2.45 | 0.000 | 5.36 | 5.50 | 0.480 | 1.16 | 1.26 | 0.266 |
| Northeast | 1.97b | 2.19 | 0.073 | 3.07a | 2.48 | 0.009 | 6.12 | 6.52 | 0.315 | 1.17b | 1.42 | 0.075 |
| Midwest | 1.86 | 1.82 | 0.679 | 3.07a | 2.45 | 0.001 | 5.14 | 5.13 | 0.965 | 1.10 | 1.16 | 0.576 |
| South | 1.89 | 1.83 | 0.553 | 2.93a | 2.24 | 0.000 | 5.02 | 5.05 | 0.890 | 1.20 | 1.24 | 0.766 |
| West | 1.93 | 2.04 | 0.363 | 2.84 | 2.73 | 0.687 | 5.54 | 5.74 | 0.616 | 1.13 | 1.27 | 0.332 |
| Alabama | 1.77 | 1.94 | 0.489 | 2.56 | 2.27 | 0.600 | 4.65 | 5.31 | 0.441 | 1.15 | 1.32 | 0.553 |
| Alaska | 2.08 | 1.91 | 0.534 | 3.33 | 2.32 | 0.101 | 6.00 | 5.20 | 0.400 | 1.18 | 1.23 | 0.867 |
| Arizona | 1.98 | 2.07 | 0.744 | 3.77b | 2.54 | 0.100 | 5.88 | 6.39 | 0.617 | 1.02 | 1.27 | 0.377 |
| Arkansas | 1.95 | 2.03 | 0.748 | 2.97 | 2.52 | 0.460 | 5.29 | 5.11 | 0.835 | 1.22 | 1.47 | 0.408 |
| California | 1.88 | 2.05 | 0.351 | 2.62 | 2.70 | 0.854 | 5.22 | 5.70 | 0.431 | 1.15 | 1.25 | 0.641 |
| Colorado | 2.01 | 1.88 | 0.587 | 2.78 | 3.06 | 0.670 | 6.46 | 5.38 | 0.288 | 1.13 | 1.15 | 0.954 |
| Connecticut | 1.86 | 1.89 | 0.888 | 2.89 | 2.52 | 0.541 | 6.08 | 5.90 | 0.858 | 1.11 | 1.17 | 0.804 |
| Delaware | 1.98 | 2.01 | 0.913 | 2.87 | 2.43 | 0.456 | 5.65 | 6.42 | 0.433 | 1.23 | 1.22 | 0.967 |
| District of Columbia | 2.95 | 3.02 | 0.876 | 2.06 | 2.02 | 0.933 | 6.26 | 6.43 | 0.877 | 2.37 | 2.35 | 0.976 |
| Florida | 2.02 | 1.78 | 0.239 | 3.20a | 2.15 | 0.014 | 5.83 | 5.00 | 0.167 | 1.34 | 1.26 | 0.759 |
| Georgia | 1.86 | 1.64 | 0.384 | 2.73 | 2.03 | 0.204 | 3.89 | 4.35 | 0.545 | 1.37 | 1.12 | 0.449 |
| Hawaii | 1.70 | 1.86 | 0.616 | 2.87 | 2.38 | 0.471 | 5.39 | 4.82 | 0.577 | 0.96 | 1.32 | 0.293 |
| Idaho | 1.79 | 2.17 | 0.134 | 3.18 | 3.17 | 0.993 | 4.67 | 5.39 | 0.427 | 0.97b | 1.47 | 0.086 |
| Illinois | 1.89 | 1.75 | 0.441 | 3.26a | 2.13 | 0.008 | 5.00 | 4.91 | 0.879 | 1.15 | 1.12 | 0.886 |
| Indiana | 1.85 | 2.11 | 0.293 | 2.80 | 2.79 | 0.989 | 5.21 | 5.67 | 0.619 | 1.10 | 1.42 | 0.265 |
| Iowa | 1.61 | 1.25 | 0.106 | 2.53 | 2.34 | 0.760 | 4.51 | 3.43 | 0.143 | 0.94 | 0.73 | 0.402 |
| Kansas | 1.67 | 1.52 | 0.501 | 2.66 | 2.23 | 0.476 | 4.66 | 4.31 | 0.664 | 0.95 | 0.91 | 0.866 |
| Kentucky | 1.91 | 2.35 | 0.130 | 3.31 | 2.34 | 0.137 | 4.94a | 7.11 | 0.030 | 1.21 | 1.60 | 0.235 |
| Louisiana | 2.17 | 2.18 | 0.963 | 2.67 | 2.11 | 0.309 | 5.07 | 5.83 | 0.414 | 1.51 | 1.49 | 0.961 |
| Maine | 1.74b | 2.14 | 0.095 | 2.90 | 2.50 | 0.503 | 6.39 | 7.51 | 0.304 | 0.90b | 1.36 | 0.081 |
| Maryland | 2.00 | 1.98 | 0.940 | 2.95 | 2.10 | 0.134 | 5.85 | 5.51 | 0.719 | 1.26 | 1.37 | 0.750 |
| Massachusetts | 2.43 | 2.51 | 0.799 | 3.46 | 2.65 | 0.234 | 8.33 | 6.96 | 0.292 | 1.36 | 1.70 | 0.334 |
| Michigan | 1.93 | 2.05 | 0.515 | 3.34 | 2.68 | 0.122 | 5.16 | 5.85 | 0.254 | 1.16 | 1.32 | 0.479 |
| Minnesota | 1.76 | 1.54 | 0.288 | 3.42b | 2.24 | 0.053 | 5.02 | 4.48 | 0.505 | 0.94 | 0.95 | 0.976 |
| Mississippi | 1.84 | 1.72 | 0.630 | 2.49 | 2.15 | 0.540 | 4.25 | 4.77 | 0.533 | 1.25 | 1.09 | 0.598 |
| Missouri | 1.88 | 1.84 | 0.869 | 2.94 | 2.61 | 0.583 | 5.55 | 5.52 | 0.975 | 1.08 | 1.13 | 0.863 |
| Montana | 1.90 | 1.88 | 0.939 | 3.62b | 2.38 | 0.060 | 5.37 | 5.40 | 0.978 | 1.03 | 1.23 | 0.475 |
| Nebraska | 1.93a | 1.42 | 0.047 | 3.47 | 2.63 | 0.244 | 4.68 | 3.62 | 0.170 | 1.17 | 0.85 | 0.263 |
| Nevada | 1.91 | 2.11 | 0.497 | 3.41 | 2.98 | 0.542 | 5.52 | 5.86 | 0.721 | 1.15 | 1.44 | 0.377 |
| New Hampshire | 2.07 | 2.48 | 0.201 | 3.19 | 3.20 | 0.993 | 7.36 | 7.00 | 0.770 | 1.10b | 1.70 | 0.079 |
| New Jersey | 1.72 | 1.94 | 0.363 | 2.80 | 2.43 | 0.510 | 5.52 | 5.66 | 0.879 | 1.04 | 1.31 | 0.349 |
| New Mexico | 2.11 | 2.09 | 0.962 | 3.12 | 3.14 | 0.974 | 6.94 | 6.01 | 0.447 | 1.05 | 1.23 | 0.545 |
| New York | 2.10 | 2.37 | 0.201 | 3.18 | 2.51 | 0.110 | 6.03b | 7.32 | 0.068 | 1.31 | 1.46 | 0.530 |
| North Carolina | 1.89 | 1.65 | 0.317 | 3.30 | 2.33 | 0.117 | 4.96 | 4.80 | 0.843 | 1.19 | 1.06 | 0.634 |
| North Dakota | 1.69 | 1.46 | 0.346 | 3.17 | 2.32 | 0.187 | 4.35 | 4.08 | 0.731 | 0.92 | 0.77 | 0.550 |
| Ohio | 1.97 | 2.03 | 0.729 | 2.83 | 2.38 | 0.243 | 5.76 | 5.81 | 0.941 | 1.19 | 1.36 | 0.431 |
| Oklahoma | 1.88 | 1.93 | 0.835 | 2.89 | 2.67 | 0.741 | 5.55 | 4.84 | 0.422 | 1.03 | 1.31 | 0.325 |
| Oregon | 2.02b | 2.65 | 0.056 | 2.46 | 2.95 | 0.431 | 6.22 | 7.25 | 0.351 | 1.25b | 1.90 | 0.086 |
| Pennsylvania | 1.68 | 1.90 | 0.209 | 2.90b | 2.26 | 0.077 | 5.06 | 5.36 | 0.586 | 0.98 | 1.29 | 0.131 |
| Rhode Island | 2.63 | 3.00 | 0.383 | 3.62 | 2.72 | 0.224 | 8.27 | 7.87 | 0.764 | 1.48 | 2.12 | 0.193 |
| South Carolina | 1.75 | 1.80 | 0.826 | 2.55 | 1.94 | 0.233 | 4.37 | 4.76 | 0.624 | 1.17 | 1.30 | 0.676 |
| South Dakota | 1.66 | 1.62 | 0.869 | 3.01 | 2.38 | 0.292 | 4.47 | 4.65 | 0.821 | 0.90 | 0.97 | 0.765 |
| Tennessee | 1.83 | 1.46 | 0.127 | 2.95 | 2.07 | 0.123 | 4.74 | 4.06 | 0.395 | 1.20 | 0.99 | 0.460 |
| Texas | 1.71 | 1.81 | 0.540 | 2.85 | 2.32 | 0.159 | 4.68 | 4.99 | 0.577 | 0.95 | 1.14 | 0.324 |
| Utah | 1.77 | 1.79 | 0.939 | 2.62 | 2.30 | 0.589 | 3.67 | 4.72 | 0.181 | 1.05 | 0.97 | 0.751 |
| Vermont | 2.16 | 2.08 | 0.782 | 3.62a | 2.26 | 0.045 | 7.57 | 6.75 | 0.492 | 1.03 | 1.30 | 0.361 |
| Virginia | 1.99 | 1.82 | 0.523 | 2.99 | 2.45 | 0.373 | 5.65 | 4.93 | 0.412 | 1.26 | 1.21 | 0.877 |
| Washington | 2.12 | 1.86 | 0.322 | 3.08 | 2.76 | 0.621 | 6.90 | 5.73 | 0.250 | 1.17 | 1.13 | 0.893 |
| West Virginia | 1.86b | 2.43 | 0.075 | 3.11 | 2.47 | 0.323 | 6.03 | 6.64 | 0.569 | 1.05a | 1.82 | 0.033 |
| Wisconsin | 1.73 | 1.67 | 0.801 | 3.08 | 2.66 | 0.507 | 4.78 | 4.75 | 0.967 | 1.00 | 1.03 | 0.888 |
| Wyoming | 1.71 | 1.45 | 0.246 | 2.67 | 2.78 | 0.877 | 5.18 | 4.02 | 0.161 | 0.92 | 0.83 | 0.732 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. NOTE: Illicit Drugs include marijuana/hashish, cocaine (including crack), heroin, hallucinogens, inhalants, or prescription-type psychotherapeutics used nonmedically; these estimates are based on data from original questions, excluding those on the use of over-the-counter drugs or new methamphetamine items that were 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). NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 9.22b | 8.92 | 0.092 | 8.89a | 7.33 | 0.000 | 21.37a | 20.36 | 0.012 | 7.15 | 7.15 | 0.982 |
| Northeast | 8.88 | 8.90 | 0.938 | 8.91a | 7.20 | 0.000 | 21.57 | 21.58 | 0.992 | 6.86 | 6.97 | 0.774 |
| Midwest | 9.92a | 9.21 | 0.006 | 9.46a | 7.63 | 0.000 | 23.37a | 21.48 | 0.002 | 7.58 | 7.30 | 0.388 |
| South | 8.77 | 8.44 | 0.164 | 8.44a | 6.62 | 0.000 | 20.21a | 18.80 | 0.012 | 6.82 | 6.92 | 0.743 |
| West | 9.52 | 9.43 | 0.797 | 9.00 | 8.25 | 0.112 | 21.01 | 20.74 | 0.726 | 7.49 | 7.54 | 0.908 |
| Alabama | 7.40 | 8.10 | 0.341 | 7.14 | 6.94 | 0.846 | 16.46 | 17.50 | 0.568 | 5.83 | 6.66 | 0.348 |
| Alaska | 10.41 | 9.52 | 0.310 | 9.45b | 7.31 | 0.075 | 23.91b | 20.33 | 0.092 | 8.31 | 7.82 | 0.647 |
| Arizona | 11.04a | 9.23 | 0.037 | 10.62a | 7.91 | 0.039 | 23.42 | 22.30 | 0.610 | 8.87 | 7.19 | 0.119 |
| Arkansas | 9.10 | 8.26 | 0.276 | 9.02 | 7.57 | 0.199 | 21.53 | 19.02 | 0.210 | 6.90 | 6.60 | 0.747 |
| California | 9.00 | 9.48 | 0.357 | 8.27 | 8.17 | 0.890 | 19.40 | 20.20 | 0.500 | 7.21 | 7.61 | 0.531 |
| Colorado | 10.81 | 10.45 | 0.693 | 9.24 | 9.83 | 0.664 | 25.03 | 24.59 | 0.842 | 8.55 | 8.17 | 0.731 |
| Connecticut | 8.80 | 9.80 | 0.239 | 8.95 | 7.82 | 0.346 | 22.74 | 23.67 | 0.670 | 6.76 | 7.85 | 0.285 |
| Delaware | 9.29 | 9.61 | 0.696 | 8.74 | 7.68 | 0.372 | 21.46 | 23.62 | 0.307 | 7.26 | 7.52 | 0.802 |
| District of Columbia | 11.87 | 11.33 | 0.620 | 5.95 | 5.49 | 0.631 | 21.16 | 21.25 | 0.968 | 10.56 | 9.65 | 0.486 |
| Florida | 8.80 | 8.49 | 0.571 | 8.85a | 6.97 | 0.007 | 21.29a | 17.99 | 0.004 | 7.01 | 7.25 | 0.713 |
| Georgia | 9.11 | 8.55 | 0.507 | 7.82b | 5.83 | 0.067 | 19.07 | 20.11 | 0.609 | 7.49 | 6.96 | 0.607 |
| Hawaii | 9.15 | 8.99 | 0.872 | 9.95 | 8.07 | 0.185 | 23.25 | 19.76 | 0.133 | 6.79 | 7.38 | 0.597 |
| Idaho | 9.75 | 8.83 | 0.227 | 10.91a | 8.15 | 0.028 | 21.24 | 19.84 | 0.479 | 7.19 | 6.98 | 0.828 |
| Illinois | 10.11a | 9.04 | 0.046 | 9.05a | 7.07 | 0.006 | 23.32b | 21.00 | 0.060 | 7.92 | 7.14 | 0.237 |
| Indiana | 9.32 | 8.47 | 0.266 | 8.81 | 7.71 | 0.351 | 23.20 | 20.04 | 0.135 | 6.84 | 6.63 | 0.809 |
| Iowa | 9.47 | 9.27 | 0.801 | 9.51 | 8.23 | 0.270 | 22.21 | 21.32 | 0.659 | 7.04 | 7.28 | 0.808 |
| Kansas | 8.33 | 9.04 | 0.355 | 7.33 | 7.66 | 0.763 | 20.75 | 21.08 | 0.868 | 6.07 | 6.98 | 0.331 |
| Kentucky | 8.04 | 7.92 | 0.882 | 8.27b | 6.19 | 0.051 | 18.86 | 19.14 | 0.888 | 6.13 | 6.38 | 0.774 |
| Louisiana | 9.70 | 8.71 | 0.213 | 8.67a | 5.70 | 0.005 | 20.91 | 19.31 | 0.402 | 7.60 | 7.08 | 0.592 |
| Maine | 8.81 | 8.35 | 0.555 | 9.07b | 6.89 | 0.057 | 21.37 | 21.69 | 0.877 | 6.89 | 6.66 | 0.797 |
| Maryland | 9.19 | 8.12 | 0.204 | 8.20a | 5.89 | 0.026 | 20.17 | 17.33 | 0.153 | 7.59 | 6.84 | 0.463 |
| Massachusetts | 10.71 | 9.66 | 0.256 | 10.82a | 7.49 | 0.007 | 24.13 | 23.89 | 0.908 | 8.55 | 7.39 | 0.291 |
| Michigan | 10.05 | 9.38 | 0.227 | 9.80a | 7.76 | 0.005 | 21.81 | 20.72 | 0.329 | 8.04 | 7.66 | 0.579 |
| Minnesota | 10.57 | 10.15 | 0.624 | 10.60a | 7.71 | 0.013 | 24.61 | 23.33 | 0.558 | 8.02 | 8.21 | 0.862 |
| Mississippi | 7.91 | 7.51 | 0.582 | 6.29 | 5.89 | 0.693 | 17.46 | 16.45 | 0.566 | 6.22 | 6.10 | 0.885 |
| Missouri | 9.58 | 8.95 | 0.429 | 9.19b | 7.27 | 0.090 | 23.72 | 21.20 | 0.220 | 7.14 | 7.15 | 0.994 |
| Montana | 12.02 | 10.70 | 0.223 | 15.02a | 10.52 | 0.006 | 26.55 | 26.88 | 0.885 | 9.00 | 8.02 | 0.457 |
| Nebraska | 11.07b | 9.43 | 0.069 | 11.75a | 7.64 | 0.001 | 26.52a | 21.06 | 0.011 | 7.98 | 7.47 | 0.633 |
| Nevada | 9.75 | 9.54 | 0.802 | 10.26 | 8.78 | 0.261 | 21.32 | 20.89 | 0.843 | 7.87 | 7.95 | 0.935 |
| New Hampshire | 10.90 | 9.72 | 0.186 | 11.69a | 8.83 | 0.043 | 27.70 | 24.82 | 0.198 | 8.18 | 7.51 | 0.541 |
| New Jersey | 7.59 | 8.06 | 0.538 | 8.08 | 6.41 | 0.118 | 19.65 | 19.53 | 0.952 | 5.80 | 6.49 | 0.460 |
| New Mexico | 12.04 | 10.34 | 0.107 | 11.74 | 10.43 | 0.412 | 27.35a | 22.10 | 0.023 | 9.24 | 8.17 | 0.409 |
| New York | 8.88 | 9.53 | 0.241 | 8.61 | 7.91 | 0.345 | 20.33a | 22.94 | 0.032 | 7.02 | 7.31 | 0.665 |
| North Carolina | 8.31 | 7.68 | 0.401 | 8.30a | 6.00 | 0.030 | 20.21 | 17.36 | 0.150 | 6.32 | 6.32 | 0.997 |
| North Dakota | 11.60a | 9.67 | 0.031 | 12.97a | 8.05 | 0.000 | 27.99a | 23.14 | 0.028 | 7.98 | 6.85 | 0.293 |
| Ohio | 9.56 | 9.06 | 0.325 | 8.99a | 7.45 | 0.023 | 22.42 | 21.49 | 0.430 | 7.43 | 7.23 | 0.744 |
| Oklahoma | 8.66 | 9.26 | 0.448 | 8.96 | 7.52 | 0.219 | 21.08 | 20.25 | 0.692 | 6.23 | 7.49 | 0.185 |
| Oregon | 9.25 | 10.13 | 0.282 | 9.35 | 9.17 | 0.885 | 22.35 | 22.30 | 0.983 | 7.02 | 8.36 | 0.173 |
| Pennsylvania | 8.30 | 7.68 | 0.217 | 8.45a | 6.09 | 0.000 | 21.57a | 18.15 | 0.004 | 6.14 | 6.16 | 0.975 |
| Rhode Island | 11.97 | 10.48 | 0.144 | 9.88 | 8.05 | 0.154 | 29.42a | 22.61 | 0.006 | 9.04 | 8.50 | 0.653 |
| South Carolina | 9.26 | 9.29 | 0.973 | 7.71 | 6.18 | 0.136 | 22.59b | 19.10 | 0.091 | 7.11 | 8.07 | 0.378 |
| South Dakota | 11.70 | 10.87 | 0.371 | 12.84a | 9.41 | 0.020 | 28.81 | 25.78 | 0.175 | 8.18 | 8.37 | 0.868 |
| Tennessee | 7.94 | 7.57 | 0.626 | 7.86a | 5.30 | 0.013 | 19.07 | 17.51 | 0.409 | 6.08 | 6.32 | 0.789 |
| Texas | 8.98 | 8.48 | 0.284 | 8.81a | 7.25 | 0.025 | 20.09 | 18.49 | 0.147 | 6.82 | 6.77 | 0.932 |
| Utah | 7.99 | 7.90 | 0.908 | 6.98 | 6.06 | 0.391 | 15.73 | 16.37 | 0.734 | 5.90 | 6.09 | 0.847 |
| Vermont | 9.90 | 9.38 | 0.514 | 11.47a | 7.40 | 0.001 | 24.33 | 24.79 | 0.826 | 7.20 | 7.09 | 0.904 |
| Virginia | 9.09 | 9.41 | 0.705 | 9.40b | 7.31 | 0.085 | 22.13 | 23.04 | 0.674 | 6.93 | 7.35 | 0.674 |
| Washington | 9.48 | 8.48 | 0.198 | 9.30b | 7.34 | 0.097 | 23.41b | 20.12 | 0.092 | 7.12 | 6.75 | 0.689 |
| West Virginia | 8.13 | 8.26 | 0.865 | 9.30a | 6.72 | 0.019 | 20.37 | 19.51 | 0.663 | 6.02 | 6.81 | 0.386 |
| Wisconsin | 10.65 | 9.54 | 0.178 | 10.09 | 8.73 | 0.295 | 26.38 | 23.62 | 0.201 | 7.91 | 7.27 | 0.526 |
| Wyoming | 10.07 | 9.29 | 0.341 | 9.77 | 9.25 | 0.691 | 25.38a | 21.25 | 0.049 | 7.21 | 7.17 | 0.968 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. 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; these estimates are based on data from original questions, excluding those on the use of over-the-counter drugs or new methamphetamine items that were 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: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 2.66 | 2.53 | 0.151 | 5.00a | 4.17 | 0.000 | 7.45 | 7.09 | 0.130 | 1.50 | 1.53 | 0.739 |
| Northeast | 2.63 | 2.57 | 0.694 | 5.10a | 3.97 | 0.000 | 8.33 | 7.87 | 0.285 | 1.41 | 1.51 | 0.502 |
| Midwest | 2.53 | 2.39 | 0.185 | 5.09a | 4.20 | 0.001 | 7.11 | 6.77 | 0.290 | 1.35 | 1.40 | 0.704 |
| South | 2.61 | 2.48 | 0.264 | 4.87a | 3.95 | 0.000 | 6.96 | 6.69 | 0.402 | 1.54 | 1.58 | 0.719 |
| West | 2.90 | 2.71 | 0.255 | 5.01 | 4.62 | 0.289 | 7.89 | 7.40 | 0.313 | 1.67 | 1.61 | 0.720 |
| Alabama | 2.22 | 2.47 | 0.355 | 4.25 | 3.84 | 0.580 | 5.94 | 6.80 | 0.387 | 1.28 | 1.56 | 0.392 |
| Alaska | 3.13 | 2.90 | 0.547 | 5.55b | 4.12 | 0.099 | 8.08 | 6.93 | 0.306 | 1.83 | 1.96 | 0.798 |
| Arizona | 3.21 | 2.70 | 0.174 | 6.65a | 4.32 | 0.023 | 7.80 | 7.73 | 0.951 | 1.88 | 1.63 | 0.558 |
| Arkansas | 2.67 | 2.65 | 0.941 | 4.78 | 4.47 | 0.711 | 7.51 | 6.86 | 0.567 | 1.52 | 1.73 | 0.571 |
| California | 2.81 | 2.76 | 0.855 | 4.57 | 4.75 | 0.763 | 7.33 | 7.36 | 0.973 | 1.72 | 1.61 | 0.696 |
| Colorado | 3.04 | 2.75 | 0.372 | 4.72 | 5.31 | 0.540 | 9.68 | 8.17 | 0.254 | 1.66 | 1.53 | 0.726 |
| Connecticut | 2.81 | 2.55 | 0.459 | 5.05 | 4.06 | 0.234 | 8.19 | 7.86 | 0.780 | 1.73 | 1.53 | 0.617 |
| Delaware | 2.60 | 2.63 | 0.933 | 4.50 | 4.33 | 0.837 | 6.70 | 7.99 | 0.273 | 1.65 | 1.53 | 0.755 |
| District of Columbia | 3.02 | 3.32 | 0.502 | 3.80 | 3.69 | 0.883 | 8.13 | 7.95 | 0.889 | 1.94 | 2.24 | 0.570 |
| Florida | 2.83 | 2.47 | 0.165 | 5.20a | 4.08 | 0.040 | 7.76 | 6.70 | 0.119 | 1.83 | 1.67 | 0.589 |
| Georgia | 2.55 | 2.37 | 0.525 | 4.79 | 3.60 | 0.121 | 5.92 | 6.48 | 0.593 | 1.62 | 1.50 | 0.727 |
| Hawaii | 2.63 | 2.62 | 0.983 | 5.47a | 3.62 | 0.046 | 7.73 | 6.62 | 0.362 | 1.43 | 1.86 | 0.382 |
| Idaho | 2.75 | 2.82 | 0.822 | 5.82 | 4.72 | 0.225 | 7.21 | 7.29 | 0.944 | 1.34 | 1.77 | 0.232 |
| Illinois | 2.48 | 2.36 | 0.525 | 5.01b | 4.11 | 0.086 | 6.96 | 6.74 | 0.721 | 1.34 | 1.34 | 0.996 |
| Indiana | 2.52 | 2.66 | 0.661 | 4.14 | 4.65 | 0.559 | 6.96 | 7.25 | 0.802 | 1.47 | 1.62 | 0.675 |
| Iowa | 2.36b | 1.83 | 0.064 | 4.18 | 3.80 | 0.645 | 6.00 | 5.08 | 0.326 | 1.43 | 1.01 | 0.208 |
| Kansas | 2.20 | 2.06 | 0.587 | 3.88 | 3.59 | 0.706 | 6.29 | 6.08 | 0.836 | 1.16 | 1.10 | 0.853 |
| Kentucky | 2.56 | 2.90 | 0.304 | 5.02 | 3.94 | 0.181 | 6.98 | 8.28 | 0.267 | 1.49 | 1.93 | 0.250 |
| Louisiana | 2.89 | 2.60 | 0.404 | 4.25 | 3.51 | 0.324 | 6.77 | 6.88 | 0.913 | 1.90 | 1.65 | 0.547 |
| Maine | 2.84 | 2.72 | 0.721 | 5.35 | 4.15 | 0.154 | 8.95 | 8.92 | 0.982 | 1.61 | 1.70 | 0.821 |
| Maryland | 2.68 | 2.38 | 0.341 | 4.96b | 3.57 | 0.082 | 8.62 | 6.79 | 0.122 | 1.43 | 1.48 | 0.892 |
| Massachusetts | 3.12 | 3.02 | 0.778 | 6.08a | 4.24 | 0.047 | 10.41 | 9.02 | 0.318 | 1.60 | 1.81 | 0.598 |
| Michigan | 2.60 | 2.63 | 0.858 | 5.88a | 4.46 | 0.012 | 7.19 | 7.33 | 0.830 | 1.33 | 1.60 | 0.303 |
| Minnesota | 2.57 | 2.18 | 0.166 | 5.46a | 3.76 | 0.048 | 6.97 | 6.07 | 0.382 | 1.36 | 1.32 | 0.898 |
| Mississippi | 2.52 | 2.32 | 0.500 | 3.92 | 3.53 | 0.589 | 6.26 | 6.44 | 0.857 | 1.55 | 1.39 | 0.648 |
| Missouri | 2.78 | 2.34 | 0.144 | 4.66 | 3.98 | 0.384 | 8.01 | 6.82 | 0.303 | 1.60 | 1.39 | 0.552 |
| Montana | 2.90 | 2.47 | 0.153 | 6.42a | 4.25 | 0.019 | 8.02 | 7.20 | 0.482 | 1.49 | 1.46 | 0.932 |
| Nebraska | 2.64a | 1.90 | 0.012 | 5.36 | 4.13 | 0.186 | 6.25 | 4.97 | 0.162 | 1.55 | 1.03 | 0.131 |
| Nevada | 2.69 | 3.06 | 0.312 | 5.40 | 4.78 | 0.525 | 7.75 | 8.40 | 0.593 | 1.54 | 2.05 | 0.224 |
| New Hampshire | 3.01 | 3.03 | 0.947 | 6.54 | 5.12 | 0.170 | 10.57 | 9.23 | 0.368 | 1.35 | 1.83 | 0.240 |
| New Jersey | 2.27 | 2.11 | 0.563 | 4.64 | 3.88 | 0.333 | 7.07 | 6.46 | 0.560 | 1.28 | 1.22 | 0.859 |
| New Mexico | 3.50 | 2.89 | 0.126 | 5.64 | 5.66 | 0.987 | 10.19 | 8.00 | 0.126 | 1.92 | 1.58 | 0.462 |
| New York | 2.74 | 2.80 | 0.786 | 4.98a | 3.95 | 0.050 | 8.38 | 8.74 | 0.648 | 1.52 | 1.59 | 0.786 |
| North Carolina | 2.62 | 2.26 | 0.231 | 5.21 | 3.91 | 0.117 | 6.65 | 6.22 | 0.677 | 1.60 | 1.42 | 0.589 |
| North Dakota | 2.59b | 2.06 | 0.054 | 5.37a | 3.72 | 0.048 | 6.90 | 5.69 | 0.241 | 1.31 | 1.04 | 0.366 |
| Ohio | 2.61 | 2.59 | 0.913 | 5.24b | 4.34 | 0.090 | 7.76 | 7.58 | 0.788 | 1.36 | 1.55 | 0.441 |
| Oklahoma | 2.74 | 2.74 | 0.996 | 4.91 | 4.40 | 0.556 | 7.25 | 6.55 | 0.515 | 1.56 | 1.83 | 0.527 |
| Oregon | 2.88 | 2.99 | 0.763 | 5.07 | 4.37 | 0.406 | 9.17 | 8.23 | 0.439 | 1.53 | 2.02 | 0.226 |
| Pennsylvania | 2.24 | 2.15 | 0.644 | 4.80a | 3.69 | 0.028 | 7.21 | 6.20 | 0.119 | 1.11 | 1.30 | 0.386 |
| Rhode Island | 3.18 | 3.49 | 0.445 | 5.54 | 4.57 | 0.316 | 11.23 | 9.82 | 0.355 | 1.42 | 2.17 | 0.102 |
| South Carolina | 2.43 | 2.53 | 0.742 | 4.32 | 3.87 | 0.585 | 7.31 | 6.29 | 0.351 | 1.31 | 1.75 | 0.238 |
| South Dakota | 2.37 | 2.29 | 0.782 | 5.08 | 4.30 | 0.374 | 6.20 | 6.42 | 0.820 | 1.21 | 1.29 | 0.804 |
| Tennessee | 2.54 | 2.15 | 0.189 | 4.43 | 3.49 | 0.215 | 6.71 | 5.79 | 0.387 | 1.59 | 1.43 | 0.649 |
| Texas | 2.47 | 2.55 | 0.695 | 4.91 | 4.22 | 0.197 | 6.39 | 6.68 | 0.663 | 1.31 | 1.52 | 0.382 |
| Utah | 2.69 | 2.47 | 0.475 | 4.22 | 4.13 | 0.922 | 5.42 | 6.11 | 0.474 | 1.59 | 1.28 | 0.368 |
| Vermont | 3.39 | 2.81 | 0.123 | 7.19a | 3.89 | 0.001 | 11.52b | 8.87 | 0.059 | 1.49 | 1.70 | 0.612 |
| Virginia | 2.69 | 2.45 | 0.412 | 5.51 | 4.07 | 0.105 | 7.95 | 6.99 | 0.391 | 1.46 | 1.48 | 0.941 |
| Washington | 3.08a | 2.25 | 0.007 | 5.76a | 3.94 | 0.043 | 10.00a | 6.84 | 0.011 | 1.53 | 1.30 | 0.498 |
| West Virginia | 2.46 | 2.84 | 0.301 | 5.29 | 3.94 | 0.104 | 8.37 | 7.62 | 0.525 | 1.18a | 2.04 | 0.029 |
| Wisconsin | 2.28 | 2.20 | 0.738 | 5.67 | 4.33 | 0.160 | 6.84 | 6.38 | 0.658 | 0.99 | 1.23 | 0.370 |
| Wyoming | 2.46 | 2.14 | 0.247 | 4.23 | 4.31 | 0.925 | 7.82 | 6.15 | 0.145 | 1.19 | 1.16 | 0.922 |
101215
| State | 12+ (2002-2003) |
12+ (2008-2009) |
12+ (p value) |
12-17 (2002-2003) |
12-17 (2008-2009) |
12-17 (p value) |
18-25 (2002-2003) |
18-25 (2008-2009) |
18-25 (p value) |
26+ (2002-2003) |
26+ (2008-2009) |
26+ (p value) |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| NOTE: p value: Bayes posterior probability of no change. 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). NOTE: Estimates are based on a survey-weighted hierarchical Bayes estimation approach. a Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.05 level. b Difference between the 2008-2009 estimate and the 2002-2003 estimate is statistically significant at the 0.10 level. Source: SAMHSA, Center for Behavioral Health Statistics and Quality (formerly the Office of Applied Studies), National Survey on Drug Use and Health, 2002, 2003, 2008, and 2009. |
||||||||||||
| Total U.S. | 7.19 | 6.98 | 0.188 | 5.59a | 4.54 | 0.000 | 16.89a | 15.92 | 0.007 | 5.73 | 5.75 | 0.915 |
| Northeast | 6.77 | 6.81 | 0.876 | 5.54a | 4.45 | 0.001 | 16.94 | 16.56 | 0.548 | 5.31 | 5.45 | 0.683 |
| Midwest | 7.96a | 7.36 | 0.011 | 6.15a | 4.90 | 0.000 | 18.96a | 17.28 | 0.002 | 6.25 | 5.96 | 0.331 |
| South | 6.79 | 6.55 | 0.299 | 5.19a | 4.05 | 0.000 | 15.99a | 14.51 | 0.002 | 5.41 | 5.53 | 0.654 |
| West | 7.41 | 7.41 | 0.996 | 5.69b | 5.04 | 0.086 | 16.15 | 16.30 | 0.826 | 6.06 | 6.12 | 0.887 |
| Alabama | 5.81 | 6.09 | 0.647 | 4.65 | 4.17 | 0.534 | 13.20 | 13.06 | 0.922 | 4.65 | 5.16 | 0.503 |
| Alaska | 7.76 | 7.37 | 0.616 | 5.37 | 4.87 | 0.562 | 18.23 | 15.96 | 0.216 | 6.44 | 6.12 | 0.745 |
| Arizona | 9.02a | 7.28 | 0.033 | 7.16b | 5.11 | 0.054 | 18.75 | 17.55 | 0.536 | 7.54b | 5.83 | 0.083 |
| Arkansas | 7.33 | 6.39 | 0.189 | 6.08 | 4.80 | 0.152 | 17.14 | 14.43 | 0.117 | 5.76 | 5.28 | 0.562 |
| California | 6.95 | 7.50 | 0.259 | 5.05 | 4.93 | 0.834 | 14.54 | 15.85 | 0.202 | 5.84 | 6.26 | 0.494 |
| Colorado | 8.55 | 8.34 | 0.801 | 6.24 | 5.99 | 0.785 | 20.00 | 20.32 | 0.871 | 6.87 | 6.63 | 0.808 |
| Connecticut | 6.44a | 8.31 | 0.020 | 5.24 | 5.75 | 0.563 | 18.16 | 19.49 | 0.489 | 4.90a | 6.86 | 0.042 |
| Delaware | 7.09 | 7.31 | 0.765 | 5.50 | 4.74 | 0.355 | 17.19 | 17.89 | 0.694 | 5.56 | 5.86 | 0.730 |
| District of Columbia | 8.88 | 8.58 | 0.750 | 2.48 | 3.25 | 0.291 | 16.09 | 16.61 | 0.778 | 8.03 | 7.28 | 0.507 |
| Florida | 6.47 | 6.64 | 0.711 | 4.93 | 4.30 | 0.233 | 16.46a | 14.12 | 0.027 | 5.22 | 5.79 | 0.318 |
| Georgia | 7.07 | 6.46 | 0.403 | 4.68b | 3.39 | 0.071 | 14.94 | 14.71 | 0.895 | 5.99 | 5.48 | 0.570 |
| Hawaii | 7.31 | 7.32 | 0.993 | 6.19 | 5.39 | 0.496 | 17.85 | 16.35 | 0.457 | 5.79 | 6.10 | 0.754 |
| Idaho | 8.18a | 6.66 | 0.036 | 7.69a | 4.71 | 0.002 | 18.00 | 15.51 | 0.171 | 6.23 | 5.39 | 0.326 |
| Illinois | 8.31a | 7.23 | 0.026 | 5.84a | 4.16 | 0.001 | 18.98b | 17.08 | 0.087 | 6.77 | 5.85 | 0.122 |
| Indiana | 7.15 | 6.45 | 0.295 | 5.51 | 4.51 | 0.224 | 18.15 | 15.89 | 0.221 | 5.36 | 5.11 | 0.753 |
| Iowa | 7.64 | 8.03 | 0.617 | 7.01 | 6.23 | 0.464 | 18.20 | 18.16 | 0.983 | 5.72 | 6.46 | 0.409 |
| Kansas | 6.85 | 7.58 | 0.308 | 4.98 | 5.30 | 0.725 | 17.70 | 18.31 | 0.756 | 5.02 | 5.88 | 0.311 |
| Kentucky | 5.90 | 5.70 | 0.773 | 5.21b | 3.83 | 0.076 | 14.15 | 13.29 | 0.591 | 4.55 | 4.74 | 0.812 |
| Louisiana | 7.34 | 6.81 | 0.458 | 5.09b | 3.69 | 0.066 | 16.67 | 14.45 | 0.198 | 5.81 | 5.76 | 0.959 |
| Maine | 6.59 | 6.41 | 0.794 | 5.43 | 4.13 | 0.120 | 17.24 | 16.68 | 0.764 | 5.15 | 5.23 | 0.920 |
| Maryland | 7.09 | 6.11 | 0.156 | 5.19a | 3.39 | 0.012 | 15.17 | 13.55 | 0.362 | 6.08 | 5.19 | 0.291 |
| Massachusetts | 7.86 | 6.98 | 0.249 | 7.15a | 4.57 | 0.007 | 18.08 | 18.42 | 0.860 | 6.31 | 5.23 | 0.236 |
| Michigan | 8.05b | 7.10 | 0.065 | 6.22a | 4.77 | 0.010 | 17.31 | 15.76 | 0.134 | 6.70 | 5.93 | 0.228 |
| Minnesota | 8.14 | 8.75 | 0.459 | 6.55 | 5.55 | 0.298 | 19.75 | 20.66 | 0.651 | 6.26 | 7.11 | 0.376 |
| Mississippi | 6.17 | 5.97 | 0.758 | 3.47 | 3.69 | 0.747 | 13.69 | 12.48 | 0.437 | 5.06 | 5.10 | 0.964 |
| Missouri | 7.63 | 7.09 | 0.465 | 6.09 | 4.98 | 0.203 | 19.32 | 16.40 | 0.105 | 5.78 | 5.83 | 0.954 |
| Montana | 9.99 | 9.18 | 0.415 | 10.37a | 7.70 | 0.046 | 22.55 | 23.21 | 0.754 | 7.69 | 7.02 | 0.575 |
| Nebraska | 9.51 | 8.18 | 0.113 | 8.42a | 5.45 | 0.009 | 23.20a | 18.52 | 0.020 | 7.03 | 6.58 | 0.657 |
| Nevada | 7.83 | 7.37 | 0.582 | 6.80 | 5.24 | 0.110 | 15.54 | 16.44 | 0.617 | 6.75 | 6.30 | 0.644 |
| New Hampshire | 8.64b | 7.23 | 0.088 | 7.33a | 5.24 | 0.027 | 22.30b | 18.61 | 0.060 | 6.69 | 5.74 | 0.328 |
| New Jersey | 5.81 | 6.18 | 0.601 | 4.97b | 3.63 | 0.091 | 15.91 | 15.07 | 0.636 | 4.48 | 5.12 | 0.441 |
| New Mexico | 9.40 | 8.22 | 0.180 | 7.46 | 6.30 | 0.304 | 21.52b | 17.94 | 0.087 | 7.45 | 6.68 | 0.487 |
| New York | 6.77 | 7.40 | 0.216 | 5.36 | 5.08 | 0.624 | 15.53 | 17.25 | 0.112 | 5.50 | 5.91 | 0.505 |
| North Carolina | 6.31 | 5.99 | 0.623 | 5.34a | 3.34 | 0.010 | 16.04 | 13.83 | 0.190 | 4.80 | 5.05 | 0.755 |
| North Dakota | 9.91a | 7.90 | 0.015 | 9.46a | 5.03 | 0.000 | 25.71a | 19.58 | 0.003 | 6.66 | 5.64 | 0.301 |
| Ohio | 7.47 | 7.19 | 0.564 | 5.59 | 4.98 | 0.247 | 17.69 | 16.79 | 0.379 | 5.97 | 5.89 | 0.898 |
| Oklahoma | 6.61 | 7.15 | 0.433 | 5.41 | 4.76 | 0.462 | 16.77 | 16.09 | 0.724 | 4.83 | 5.84 | 0.217 |
| Oregon | 6.93 | 7.65 | 0.323 | 5.78 | 5.87 | 0.923 | 16.86 | 16.38 | 0.783 | 5.40 | 6.51 | 0.203 |
| Pennsylvania | 6.54b | 5.73 | 0.069 | 5.20a | 3.53 | 0.001 | 17.60a | 14.16 | 0.001 | 4.93 | 4.60 | 0.556 |
| Rhode Island | 9.01 | 7.77 | 0.153 | 6.28b | 4.73 | 0.087 | 23.85a | 17.13 | 0.001 | 6.65 | 6.38 | 0.802 |
| South Carolina | 7.38 | 7.46 | 0.923 | 4.50 | 3.98 | 0.471 | 18.58b | 15.25 | 0.066 | 5.78 | 6.61 | 0.399 |
| South Dakota | 9.59 | 8.84 | 0.384 | 8.55a | 6.00 | 0.031 | 24.04 | 21.77 | 0.266 | 6.92 | 6.88 | 0.973 |
| Tennessee | 5.70 | 5.95 | 0.708 | 4.62b | 3.32 | 0.070 | 14.41 | 13.54 | 0.621 | 4.38 | 5.11 | 0.349 |
| Texas | 7.43 | 6.76 | 0.140 | 5.65a | 4.44 | 0.029 | 16.62a | 14.35 | 0.020 | 5.91 | 5.66 | 0.666 |
| Utah | 6.33 | 5.78 | 0.436 | 4.71b | 3.24 | 0.061 | 12.89 | 12.30 | 0.719 | 4.71 | 4.58 | 0.880 |
| Vermont | 7.30 | 7.45 | 0.826 | 6.43b | 4.93 | 0.099 | 18.33 | 18.73 | 0.829 | 5.51 | 5.90 | 0.648 |
| Virginia | 7.08 | 7.36 | 0.699 | 6.01 | 4.68 | 0.147 | 17.15 | 18.44 | 0.478 | 5.59 | 5.80 | 0.804 |
| Washington | 7.00 | 6.55 | 0.528 | 5.70 | 4.44 | 0.112 | 17.79 | 15.34 | 0.160 | 5.33 | 5.40 | 0.931 |
| West Virginia | 6.17 | 5.82 | 0.583 | 6.31a | 4.25 | 0.014 | 15.53 | 14.19 | 0.428 | 4.64 | 4.78 | 0.851 |
| Wisconsin | 8.92b | 7.49 | 0.074 | 7.00b | 5.21 | 0.070 | 22.25a | 18.28 | 0.037 | 6.80 | 5.95 | 0.373 |
| Wyoming | 8.71 | 7.87 | 0.292 | 7.13 | 6.42 | 0.501 | 23.02a | 18.48 | 0.022 | 6.22 | 6.17 | 0.955 |
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