Cost-effectiveness of psychological and psychosocial interventions for adults, children and young people who have self-harmed.

Background: Self-harm is a major health issue resulting in high societal costs. Few psychological and psychosocial interventions have shown effectiveness in reducing repeat self-harm.

Objective: To assess the cost-effectiveness of psychological and psychosocial interventions that have shown evidence of effectiveness in adults and CYP (children and young people) who have self-harmed.