ABSTRACT
Objective To explore the mediating role of campus bullying in parental psychological control and middle school students’non-suicidal self-injury. Methods Totally 1 497 students in grade 1, 2 and 3 from four middle schools in Shenyang City were selected by using stratified random cluster sampling method and surveyed with questionnaires. Results The incidence of non-suicidal self-injury was 9.9% in middle school students. Being bullied had some mediating effect between parental psychological and non-suicidal self-injury, the mediating effect accounted for 27.4% of the total effects. Bullying had some mediating effect between parental psychological and non-suicidal self-injury, the mediating effect accounted for 26.4% of the total effects. Conclusion Campus bullying (bullied and bullying) plays a multiple mediating role between parental psychological control and non-suicidal self-injury.