Demographic characteristics for the participants who underwent the alcohol challenge are presented in Table 2. Subjects were healthy, with a mean age of 24 years, an average of 3 years of college, and were predominantly Caucasian. The subjects drank an average of 1.5 days per week, averaging 3 drinks per episode. There were three subjects who were smokers of less than 3 cigarettes per day. Demographic characteristics that predicted the subjective outcome measures being analyzed were adjusted for in our statistical models.
