JOURNAL ARTICLE

Association between non-suicidal self-injuries and suicide attempts in Chinese adolescents and college students: a cross-section study

Jie Tang, Yizhen Yu, Yu Wu, Yukai Du, Ying Ma, Huiping Zhu, Ping Zhang, Zhuoya Liu
PloS One 2011, 6 (4): e17977
21494656

PURPOSE: This study examined the association between non-suicidal self-injury (NSSI) and suicide attempts among Chinese adolescents and college students.

METHODS: A total sample of 2013 Chinese students were randomly selected from five schools in Wuhan, China, including 1101 boys and 912 girls with the age ranging between 10 and 24 years. NSSI, suicidal ideation, suicide attempts and depressive symptoms were measured by self-rated questionnaires. Self-reported suicide attempts were regressed on suicidal ideation and NSSI, controlling for participants' depressive symptoms, and demographic characteristics.

RESULTS: The self-reported prevalence rates of NSSI, suicidal ideation, suicide attempts were 15.5%, 8.8%, and 3.5%, respectively. Logistic regression analyses indicated that NSSI was significantly associated with self-reported suicide attempts. Analyses examining the conditional association of NSSI and suicidal ideation with self-reported suicide attempts revealed that NSSI was significantly associated with greater risk of suicide attempts in those not reporting suicidal ideation than those reporting suicidal ideation in the past year.

CONCLUSIONS: These findings highlight the importance of NSSI as a potentially independent risk factor for suicide attempts among Chinese/Han adolescents and college students.

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