Participants
NSSI, anorexia nervosa, psychotic or bipolar I disorder, primary psychiatric disorder
DISORDER
Referrals from health care professionals and self-referrals from families living in Sweden were accepted. The trial was advertised in CAMHS, schools, and newspapers and on social media.Inclusion criteria for the adolescents were: ages 13 to 17 years, meeting diagnostic criteria for NSSID, experiencing 1 or more NSSI episode during the past month, and having 1 guardian (hereafter referred to as parent) who could participate in the parent program. Exclusion criteria for the adolescents included: immediate suicide risk (ie, history of suicide attempt[s] [if triggers and/or life circumstances had not changed significantly since the attempt] or current suicide plans); diagnosis of psychotic or bipolar I disorder or ongoing (defined as past month) substance use disorder; other primary psychiatric disorder requiring immediate treatment (eg, severe anorexia nervosa); insufficient understanding of the Swedish language; life circumstances that could prevent treatment participation or that required immediate intervention; and a clinician-assessed global functioning level corresponding to a Children’s Global Assessment Scale (CGAS)