decision‐making, memory, attention, and problem solving, and, if not previously collected, a blood sample was taken for genetic analyses and cell lines. Children aged 7–17 were also re‐interviewed, and additional children in the families were recruited. Altogether, 8799 adults aged 18 and older, and 2646 children, participated in this second wave. In Tables 4 and 5, the demographic and psychiatric characteristics of Wave 2 participants are displayed for adults and children.
