The National Survey on Drug Use and Health (NSDUH): 10-Year Substate R-DAS (2002 to 2011) data are now available for online analysis using the Restricted-Use Data Analysis System (R-DAS).
Variables available include a number of geographic locations not found on other R-DAS files. These variables identify a limited number of counties, core-based statistical areas, combined statistical areas, metropolitan divisions, and other geographic regions