and African American ParticipantsEAAAMean (SD) or %Mean (SD) or %Participants, n1,761894Sex, female51%52%Age at first assessment16.41 (3.29)16.36 (3.31)Age at last assessment24.80 (4.87)24.99 (4.56)No. of assessments4.71 (1.99)4.61 (1.81)Age at initiation of regular drinking17.08 (2.78)18.07 (2.88)Parental education, y13.91 (2.14)12.29 (1.84)Parental separation40%66%Parental discord1.00 (1.15)1.11 (1.12)Parental history of alcohol use disorder75%69%Total number of observations, N8,2934,125Note: Mean and SD are provided for continuous measure, and percentage is provided for dichotomous measure. Parental education was measured using the highest level of educational attainment (years) of either parent.
