Little is known about adolescents’ perceptions about their health-related quality of life (HRQoL) in the course of routine adolescent psychiatric treatment. The aim of this 1-year follow-up study was to investigate HRQoL and changes in it among youths receiving adolescent psychiatric outpatient treatment. | CAPMH health-related quality of life among adolescent psychiatric outpatients: A 12-month follow-up study among 12–14-year-old Finnish boys and girls