The validity of child and adolescent depression diagnoses in the Danish psychiatric central research register

Objective This study examined the validity of childhood depression diagnoses in the Danish Psychiatric Central Research Register (DPCRR) and identified predictors of validity. Methods A nationwide random sample of 500 children (6–17 years) diagnosed with depression between 1996 and 2016 was identified in the DPCRR. Psychiatric hospital records were reviewed and rated using an online checklist. The primary outcome was whether depressive symptoms...