A total of 217 offspring (64 male and 60 female HR [multiplex family] and 53 male and 40 female LR controls) between the ages of 8 and 11 years completed an average of 2.04 ± 0.76 yearly evaluations (N = 443 evaluations). A total of 338 offspring between the ages of 12–18 years completed 1295, an average of 3.83 ± 0.12 assessments. These assessments completed during adolescence included 84 male and 98 female HR offspring and 88 male and 68 female LR offspring. A total of 177 participants completed assessments during both childhood and adolescence.
