The impact of interpersonal relationships on non-suicidal self-injury behavior in adolescents with depression: a chained mediation effect

Objective: To explore the roles of psychological pain and depressive symptoms in the relationship between interpersonal relationships and non-suicidal self-injury behavior among adolescents with depression. Methods: The Interpersonal Relationship Comprehensive Diagnostic Scale, the Adolescent Non-Suicidal Self-Injury Behavior Assessment Questionnaire, the Psychological Pain Scale, and the Beck Depression Inventory were used to conduct a questionnaire survey among 290 recruited adolescents with depression (67.9% female, mean age 16.58 years), and the relevant data were statistically analyzed. Results: (1) Interpersonal relationships (r=0.53, P<0.01), psychological pain (r=0.65, P<0.01), depression...