OBJECTIVE To explore mediation of emotional regulation in the association between aggression behavior and non-suicide self-injury among rural middle school students.
METHODS A multi-stage stratified random cluster sample of 14 291 middle school students from 15 cities in five provinces of China Anhui Yunnan Guangdong Heilongjiang Hubei). A structured questionnaire was used to assess non-suicide self-injury emotional regulation and aggressive.
RESULTS During the past year about 28.51% of participates reported self-injury with 13.39% of them had 5 times or more. The five dimensions of aggressive behavior were positively correlated with non-suicide self-injury (P<0.01) emotional regulation was negatively correlated with non-suicide self-injury (P<0.01. The mediating effect of emotional regulation between aggression physical aggression verbal aggression indirect aggression anger and hostility) and non-suicide self-injury was found significant the ratio of whose were 25.93% 22.73% 19.61% 27.55% and 18.80% respectively.