Association between bullying behavior, perceived school safety, and self-cutting: a Japanese population-based school survey.

Background: No previous population-based studies have examined associations between self-cutting, perceived school safety, and bullying behavior among East Asian adolescents.

Method: We examined whether bullying, victimization, and perceived school safety were associated with self-cutting by getting 1865 students with a mean age of 13.9 years (standard deviation 0.