symptoms compared to male participants. Table 1.Descriptive information for demographic, alcohol-related, and trauma-related characteristics of the sampleMean (s.d.) or N (%)Male baseline N = 797Female baseline N = 855z/t/χ2pRace/ethnicityWhite468 (58.72)506 (63.49)−0.190.849Black/African American251 (31.49)277 (32.40)−0.390.697Asian3 (0.38)4 (0.47)−0.290.771Hispanic104 (13.05)99 (11.58)0.910.363N at follow-up 1653 (81.93)701 (81.99)−0.030.976N at follow-up 2461 (57.84)508 (59.42)−0.650.516N at follow-up 3319 (40.02)366 (42.81)−1.150.250Age at baseline14.44 (1.54)14.16 (1.49)−3.76<0.001Age at follow-up 117.82 (2.85)17.74 (2.70)−0.590.558Age at follow-up 220.41 (3.18)20.51 (3.40)0.620.538Age at follow-up 322.74 (3.31)22.39 (3.85)−1.980.050Parental education (years)13.16 (2.21)13.04 (2.14)−1.030.304Ever drink660 (82.81)707 (82.69)0.070.952Regular drinker542 (68.01)566 (66.20)0.780.435Maximum drinks14.90 (12.71)9.85 (9.79)−9.08<0.001Onset age of regular drinking17.48 (2.49)17.85 (2.43)3.060.002AUD symptoms (full sample)1.45 (2.09)1.03 (1.87)−4.31<0.001Any childhood trauma258 (32.37)249 (29.12)1.430.153Non-assaultive trauma216 (27.10)201 (23.51)1.680.093Physical-assaultive trauma99 (12.42)44 (5.15)5.25<0.001Sexual-assaultive trauma11 (1.38)54 (6.32)−5.16<0.001Any trauma by follow-up 3408 (51.19)459 (53.68)−5.06<0.001PTSD symptoms*0.75 (2.60)1.56 (3.84)3.59<0.001AUD symptoms*1.20 (1.91)0.95 (1.72)−2.030.043Note: AUD, alcohol use disorder, and PTSD, post-traumatic stress disorder. PTSD symptoms were assessed only in those who reported a history of trauma. Maximum drinks, AUD symptoms, PTSD symptoms were lifetime measures assessed at follow-up 3. *These items (PTSD and AUD symptoms) were calculated among individuals who reported any trauma exposure by follow-up 3. Bold text indicates p-value less than 0.05. Bold italic text indicates p-value less than 0.01.
