National Epidemiologic Survey on Alcohol and Related Conditions (NESARC) – Wave 1 and Wave 2
Welcome to the NESARC website. The NESARC was conducted and
sponsored by the National Institute on Alcohol Abuse and Alcoholism
(NIAAA). The NESARC is the primary source for information and data
on the U.S. population for:
- alcohol and drug use;
- alcohol and drug abuse and dependence; and
- associated psychiatric and other medical comorbidities.
NESARC was designed to be a longitudinal survey with its first Wave of interviews fielded in 2001-2002. The second Wave of interviews was conducted in 2004-2005. The NESARC is a representative sample of the United States population and 43,093 Americans participated in the first Wave of the survey. During Wave 2, we reinterviewed 34,653 of those respondents interviewed in Wave 1. The target population of the NESARC is the non-institutionalized household population, 18 years and older, residing in the United States including the District of Columbia, Alaska, and Hawaii. Additionally the following non-institutional group quarters housing units were included as part of the NESARC sample: boarding houses, rooming houses, non-transient hotels and motels, shelters, facilities for housing workers, college quarters, and group homes. The Wave 1 and Wave 2 NESARC provide detailed information on topics related to alcohol and drug use, abuse and dependence and their associated psychiatric and medical disabilities.
The Wave 2 NESARC data file contains a few modified sociodemographic variables. The corresponding Wave 1 variables have been modified accordingly. In conducting all future cross-sectional and longitudinal analyses based on the Wave 1 and Wave 2 NESARC, please use the modified data files now appearing on this website (as of February 2008). The old Wave 1 data file is now obsolete, and its use may create inconsistencies in your analyses. Please note that the Wave 1 and Wave 2 Codebooks and Data Notes also have been modified to reflect these minor but important modifications.
This is the official NIAAA NESARC Website beginning February 2008. Do not use any previous Websites as the data and documentation posted there are no longer updated.
Links for the NESARC project:
Some
publications listed are in the Portable Document Format (PDF). In
order to view these files, you will need the Adobe(R) Acrobat(R) Reader which is available for
free from the Adobe web site. 
Last updated: 4/15/08
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