Class 1 differed significantly from classes 2 and 3 on all alcohol consumption variables, drinking motives, perceived stress, life satisfaction, impulsiveness subscales, sensation seeking and aggression subscales (Table 3). Classes 2 and 3 did not differ significantly in the number of drinks per week, drinks per drinking day or frequency of binge drinking (Table 3). These negative findings corresponded to their similar rates of endorsement of the tolerance and drinking more than intended criteria. Although they showed similar patterns of alcohol consumption, class 2 was significantly different from class 3 in its endorsement of enhancement motives, non-planning and motor impulsiveness and all subscales of the aggression measure (Table 3).
