Continuous demographic variables were compared across drinking status groups (i.e., non-drinker, early-onset, late-onset) using analysis of variance (ANOVA). When significant (p<0.05) and within the ANOVA model, Tukey-adjusted p-values were used for pairwise comparisons of groups. Chi-square tests were used for between group comparisons of categorical demographic variables. When significant, Bonferroni-adjusted p-values were used for pairwise comparisons of groups.
