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Risk Factors for Suicidal Ideation and Attempts in Adolescents
J Korean Acad Child Adolesc Psychiatry 2018; 29(3): 114-121
Published online July 1, 2018
© 2018 Korean Academy of Child and Adolescent Psychiatry.

Hoin Kwon1, Jong-Sun Lee2, Ah Reum Kim3, Hyun Ju Hong3,4, and Yong-Sil Kweon3,5

1Department of Counseling Psychology, Jeonju University, Jeonju, Korea
2Department of Psychology, Kangwon National University, Chuncheon, Korea
3Suicide and School Mental Health Institute, Hallym University, Chuncheon, Korea
4Department of Psychiatry, Hallym University Sacred Hospital, Hallym University, Chuncheon, Korea
5Department of Psychiatry, The Catholic University of Korea College of Medicine, Uijongbu, Korea
Correspondence to: Yong-Sil Kweon, Department of Psychiatry, The Catholic University of Korea College of Medicine, 271 Cheonbo-ro, Uijeongbu 11765, Korea Tel: +82-31-820-3055, Fax: +82-31-847-3630, E-mail:
Received March 3, 2017; Revised July 3, 2017; Accepted February 22, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objective: Although suicide is a serious public health concern for adolescents, there is a lack of studies that explore its risk factors in the Republic of Korea. The present study aims to investigate risk factors associated with suicidal behaviors in Korean adolescents.
Methods: Participants consisted of 2258 middle and high school students who completed a series of questionnaires regarding suicide ideation or attempts, non-suicidal self-injuries, depression, impulsivity, drinking behaviors, and negative life events, including peer bullying.
Results: Among the participants, 8.3% of students reported suicide ideation, while 3.2% reported a history of a suicide attempt in the past 12 months. Depression, peer-victimization, internet-related delinquency, and positive attitudes toward suicide were associated with suicidal ideations and attempts. Adverse life events were also associated with suicide ideation, but not attempts, while not living with both parents and poor family relationships were associated with suicide attempts, but not ideations. Non-suicidal self-injuries were associated with both suicide ideations and attempts. Students with suicidal ideations and attempts can be differentiated depending on the presence of self-injury.
Conclusion: In addition to depression or behavioral problems, non-suicidal self-injuries and lack of support from family may also play significant roles in suicide attempts in adolescents. To facilitate the prevention of suicide in adolescents, longitudinal studies should be followed to confirm the risk factors identified in this study.
Keywords : Adolescent; Suicidal attempts; Suicide; Risk factors; Non-suicidal self-injury.

July 2018, 29 (3)
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