The data used in this analysis came from Wave 1 of the National Epidemiologic Survey on Alcohol and Related Conditions (NESARC), designed by the National Institute on Alcohol Abuse and Alcoholism. The 2001–2002 Wave 1 NESARC sample (n = 43,093 including 18,518 men and 24,575 women, response rate = 81.0%) represented U.S. adults 18 years or older residing in households and noninstitutional group quarters in all 50 states and the District of Columbia. Some analyses were restricted to lifetime drinkers (n=34,827 including 16,274 men and 18,553 women) or individuals with lifetime alcohol dependence (n=4,781 including 2,974 men and 1,807 women). The NESARC data were weighted to reflect design characteristics, including oversampling of Blacks, Hispanics and young adults, and nonresponse relative to sociodemographic characteristics (Grant et al., 2001a). Weighted data were further adjusted to match the civilian, noninstitutionalized population of the United States on socioeconomic variables based on the 2000 Decennial Census. Data were collected in personal interviews, using a computer-assisted survey instrument administered by lay interviewers. All potential respondents were informed in writing about the nature of the survey, the
