Gender differences in psychiatric comorbidity: a population‐based study of 40 000 adults with attention deficit hyperactivity disorder

Objective We aimed at determining whether gender modified associations between ADHD and psychiatric comorbidities in adults. Method We identified adults with ADHD by linking Norwegian national registries and compared them with the remaining adult population (born 1967–1997, ADHD and bipolar during 2004–2015, other psychiatric disorders 2008–2015). Prevalence differences ( PD s) and prevalence ratios ( PR s) of psychiatric disorders were...