This archive housed at the Inter-university Consortium for Political and Social Research (ICPSR) is a free, publicly available repository of current datasets (data files and their documentation). Over two dozen studies are currently available. An online subsetting mechanism is available for the following major studies: Monitoring the Future, National Household Survey on Drug Abuse, Treatment Episode Data Set, and Washington D.C. Metropolitan Area Drug Study (DC*MADS).Online analysis is facilitated by the SDA numeric analysis tool.
Survey instruments, codebooks, publications based on SAMHDA data are available online.
Each SAMHDA study description and codebook includes a suggested bibliographic citation for the data.
Freely available data on internet. Registration required. Some data only available to ICPSR member institutions.