Among 809 adolescents (13 to 19 years of age), 50% (n = 404) were female and the mean age was 15.90 (SD = 1.93). Approximately 50% (n = 404) were Black. In all 57% (n = 246) of the nondrinkers were Black. Drinkers, whether early- or late-onset, were more likely to be White (p = .0003) (Table 1). Overall 24 of the early-onset drinkers were females, and 153 (n = 49%) of the late-onset drinkers were female. The proportion of females was equivalent across drinking groups (p = .44). For family risk type, the post hoc test that the proportion of adolescents in each family classification indicates late-onset drinkers were more likely to be in the HR or RDD family, compared to the nondrinkers (p = .01). More than half (54%) of the respondents reported never having had a full drink of alcohol. Among those reporting a full drink of alcohol (n = 370), 15% (n = 55) had their first drink before 13 years of age, and 315 (85%) at 13 years of age, or older. The mean age of first drink was 14.65 years of age (SD = 2.00).
