Genetic meta‐analysis of obsessive–compulsive disorder and self‐report compulsive symptoms

We investigated whether obsessive–compulsive (OC) symptoms from a population‐based sample could be analyzed to detect genetic variants influencing obsessive–compulsive disorder (OCD). We performed a genome‐wide association studies (GWAS) on the obsession (rumination and impulsions) and compulsion (checking, washing, and ordering/precision) subscales of an abbreviated version of the Padua Inventory ( N = 8,267 with genome‐wide genotyping and...