The following list presents study data alphabetically by title and the number of variables in each study. Simply click the study title to view the list of variables in that study.
National Household Survey on Drug Abuse, 2000 (1865)
National Household Survey on Drug Abuse, 2001 (2207)
National Survey on Drug Use and Health, 2002 (2342)
National Survey on Drug Use and Health, 2003 (2469)
National Survey on Drug Use and Health, 2004 (2714)
National Survey on Drug Use and Health, 2005 (2905)
National Survey on Drug Use and Health, 2006 (3134)
National Survey on Drug Use and Health, 2007 (3130)