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2009 National Survey on Drug Use and Health (NSDUH) data file updated

The 2009 NSDUH public-use data file has been updated to include 23 new variables related to adult and adolescent depression. more...

There were no changes to the total number of records or to the other variables. Please view the table in the Change History section of the codebook for more information on the new variables.

The NSDUH is the primary source of national and state-level estimates on the prevalence, patterns, and consequences of alcohol, tobacco, and illegal drug use and abuse in the general U.S. civilian non institutionalized population. The NSDUH is conducted by the Substance Abuse and Mental Health Services Administration (SAMHSA).

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