the role of psychological factors in non-suicidal self-injury of female adolescents

Background: non-suicidal self-injury (nssi) is defined as inflicting damage to one’s own body. it begins in adolescence and tends to become chronic.objectives: considering the high prevalence and chronicity of nssi among girls, the present study aimed to investigate the factors affecting the prevalence of nssi in female adolescents from their perspective.methods: the participants consisted of 604 female high-school students in saveh, aged 14 - 17 years (14.29 ± 1.11), who were selected via random cluster sampling from november 2018 to january 2019. they answered six questionnaires, including the inventory of statements about self-injury (isas), ways of coping questionnaire (wcq), child abuse self-report scale (casrs), family emotional involvement and criticism scale (feics), emotion reactivity scale (ers), and aggression questionnaire (aq). data were analyzed using logistic regression analysis.results: the predictor variables of child abuse, emotion reactivity, perceived parental criticism, family emotional involvement, and problem- and emotion-focused coping styles could successfully distinguish nssi individuals from those without nssi (p < 0.05). there were no significant differences between minor and moderate groups.conclusions: family emotional support is a protective factor, while criticism, child abuse, and emotion-focused coping style are risk factors for nssi.