Abstract
The purpose of this study was to explore significant variables predicting adolescent suicidal attempts. Socio-environmental variables such as gender, school record, school grade, school adaptation, and family intimacy together with intra-individual variables including depression, anxiety, delinquency, stress, and self-esteem were considered as candidates. Data from 1481 adolescents were collected from Korea National Youth Policy Institute. For statistical analyses, hierarchical logistic regression analysis was performed. Results of hierarchical logistic regression analysis showed that gender, school grade, depression, delinquent, stress, and family intimacy were significant predictors of suicidal attempts of adolescents. Among those, the most powerful predictor was depression, and the second was delinquency. Classification accuracy by the model of our study was 87.6%. Implications and limitations of present study and suggestions for future study were discussed.
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Author biographies
Ji Young Lee, MA, is a resident of Clinical Psychology at Ilsan Paik Hospital, Inje University School of Medicine in south Korea. Her research interests include positive psychological approach in suicide prevention, adolescent and college student suicide.
Sung-Man Bae, PhD, is an assistant professor of the department of counseling psychology at the Cyber University of Korea in Seoul, South Korea. He worked as a clinical psychologist and a clinical psychology professor (supervisor) at Ilsanpaik Hospital of the Inje University from 2007 to 2014. His interest includes causes and treatments of post-traumatic stress disorder and behavior addictions, such as internet, game, smartphone, and SNS addiction.

