The prevalence and risk factors for non-suicidal self injury among middle school students

Abstract

Objective To investigate the prevalence and risk factors of non-suicidal self injury among middle school students. Methods Data were collected from 2 140 middle school students with the mean age of 13.92 by stratified sampling method. All students were evaluated with Beck Depression Scale (BDI), Barratt Impulsiveness Scale (BIS), Adolescent Self-Rating Life Events Check List (ASLEC), Adolescents Health related Risk Behaviors Inventory (AHRBI), Chinese version of Family Adaptability and Cohesion Evaluation Scales (FACES II-CV), and self-made investigate questionnaire. Results The prevalence of non-suicidal self injury among local middle school students was 23.2%, total 495 adolescents were endorsed non-suicidal self injury, and 49.7% were girls.The results of in multivariable logistic regression showed the main risk factors for non-suicidal self injury among adolescents were being female, depressive symptoms, impulsiveness, negative life events and health related risk behaviors. Conclusion Non-suicidal self injury is high among Chinese adolescent in the city of Dujiangyan, and it is necessary to take effective interventions. Key words: Middle school students; Non-suicidal self Injury; Risk factors