Developmental course of anxiety and depression from adolescence to young adulthood in a prospective Norwegian clinical cohort

Anxiety and depression are often co-occurring disorders, reflecting both homotypic and heterotypic continuity as possible developmental pathways. The present study aimed to examine homotypic and heterotypic continuities of anxiety and depression across 3 years in adolescence and young adulthood. Participants included patients presenting to psychiatric care with diagnoses of anxiety and/or depressive disorders aged 13–18 at T1 (N = 717, 44%...