biostudies-literatureAitken MNational Institute for Health Research (NIHR)Cundill Centre for Child and Youth Depression1449-1460https://www.ebi.ac.uk/biostudies/studies/S-EPMC12447688biostudies-literatureUnknown66(10)<h4>Background</h4>Criticism from parents is a risk factor for poor youth mental health, including self-harm and limited response to psychosocial interventions. We identified trajectories of change in parent criticism across treatment for youth self-harm (suicide attempts and non-suicidal self-injury) and compared these trajectories on treatment outcomes.<h4>Methods</h4>This is a preregistered secondary analysis of data from the Self-harm Intervention: Family Therapy trial. Participants (N = 831, 11-17 years; 89% girls, 11% boys; 84% White) were clinically referred for self-harm and randomly assigned to family therapy or usual care. A growth mixture model identified trajectories of parent self-reported criticism across baseline, 3, and 6 months. Trajectories were compared on youth self-harJournal of child psychology and psychiatry, and allied disciplinesTrajectories of parent criticism across treatment for youth self-harm.PMC1244768807/33Aitken MWright-Hughes ASzatmari PCottrell DPerquier FPark BCarvalho DfalseTrajectories of parent criticism across treatment for youth self-harm.<h4>Background</h4>Criticism from parents is a risk factor for poor youth mental health, including self-harm and limited response to psychosocial interventions. We identified trajectories of change in parent criticism across treatment for youth self-harm (suicide attempts and non-suicidal self-injury) and compared these trajectories on treatment outcomes.<h4>Methods</h4>This is a preregistered secondary analysis of data from the Self-harm Intervention: Family Therapy trial. Participants (N = 831, 11-17 years; 89% girls, 11% boys; 84% White) were clinically referred for self-harm and randomly assigned to family therapy or usual care. A growth mixture model identified trajectories of parent self-reported criticism across baseline, 3, and 6 months. Trajectories were compared on youth self-har2025-01-01T00:00:00Z2025 Oct2026-06-03T14:39:06.711Z2026-05-29T03:05:30.219ZS-EPMC124476884012349510.1111/jcpp.14144