Drinkers and non-drinkers were not different in age (mean ± standard deviation: 29.1 ± 9.6 vs. 31.5 ± 11.8 years; p = 0.2370, two-sample t test) or gender (22 F/35 M vs. 26 F/31 M; p = 0.4463, chi-square test). On average, drinkers reported a frequency of 6.9 ± 5.0 occasions of drinking per month with 2.7 ± 1.2 drinks per occasion, and 12.3 ± 10.4 years of alcohol use. Their AUDIT score was on average 4.9 ± 2.7.
