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This report presents State estimates for 25 measures of substance use and mental health based on the combined 2009 and 2010 National Surveys on Drug Use and Health (NSDUHs). Sponsored by the Substance Abuse and Mental Health Services Administration (SAMHSA), NSDUH is an ongoing survey of the civilian, noninstitutionalized population of the United States aged 12 years or older. Interview data from 135,811 persons were collected in 2009-2010 (see Table A.9 in Appendix A). With the exception of the four mental health measures, separate estimates are presented for each measure in four age groups: 12 to 17, 18 to 25, 26 or older, and all persons 12 or older. For past year serious mental illness, past year any mental illness, past year suicidal thoughts, and past year major depressive episode (i.e., depression), estimates are available for adults in three age groups: 18 to 25, 26 or older, and 18 or older. In addition, estimates for major depressive episode are available for youths aged 12 to 17. This report also includes estimates for persons aged 12 to 20 for two of the measures—past month alcohol use and past month binge alcohol use, representing underage use of alcohol. Although estimates for persons aged 18 or older for the substance use measures are not included in this report, they are available at http://www.samhsa.gov/data/NSDUH/2k10State/NSDUHsae2010/Index.aspx. Additionally, tables showing the total number of persons associated with each measure are available at this Web site.

For each measure, States have been ranked and categorized into quintiles, or fifths, in order to simplify the discussion.1 Estimates presented in this report are based on a hierarchical Bayes estimation method that combines survey data with a national model. Note that these estimates are benchmarked to the national design-based estimates (for details, see Section A.6 in Appendix A). In addition to presenting State estimates for 2009-2010, Chapters 2 to 6 provide comparisons of the 2008-2009 estimates with the 2009-2010 estimates for all measures and indicate whether the differences between the two are statistically significant.2 Increases or decreases are discussed only if they are statistically significant at the 0.05 level. Tables showing comparisons between 2002-2003 and 2009-2010 State estimates will be available on the SAMHSA Web site at http://www.samhsa.gov/data/NSDUH/2k10State/NSDUHsae2010/Index.aspx.

Illicit Drug Use

Alcohol Use

Tobacco Use

Substance Dependence, Abuse, and Treatment Need

Mental Disorders

End Notes

1 For the purposes of this report, the word "States" includes the 50 States and the District of Columbia.

2 During regular data collection and processing checks for the 2011 NSDUH, data errors were identified. These errors affected the data for Pennsylvania (2006-2010) and Maryland (2008-2009). Cases with erroneous data were removed from the data files, and the remaining cases were reweighted to provide representative estimates. Thus, the 2008-2009 small area estimates presented in this report may not match the 2008-2009 small area estimates in prior reports. For details, see Section 1.5 in Chapter 1.

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This page was last updated on June 25, 2012.