The cohort included a total of 7,465,455 unique individuals of which 30,082 had a diagnosis of OCD and 7,279 had a diagnosis of TD/CTD. Moreover, our cohort included 7,416,593 individuals with information about both biological parents, 10,670,459 full sibling pairs, 1,420,623 maternal half-sibling pairs, 1,841,737 paternal half-sibling pairs, and 25,856,102 cousin pairs.
