The purpose of this study is to understand the effect of youth emotional and behavioral characteristics on suicide risk and to understand the vulnerability of risk groups. The dependent variable was set as suicide risk, including suicidal thoughts, plans, and attempts, and the independent variable was set as general characteristics, risk factors for school violence, emotional and behavioral factors, and personality factors. First, as a result of identifying the difference between each variable according to general characteristics using the T-test and the ANOVA, the risk of suicide and the risk of female students in emotional and behavioral problems were high. In the relationship between drug abuse, self-esteem, and parents, male students were high, and the difference in suicide risk according to grades was not significant. Second, in identifying suicide risk influencing factors using multiple regression analysis, grades and self-esteem were high, and the more positive the parent relationship, the lower the risk of suicide. Factors that increase the risk of suicide were psychological burden (733), mood problems (.327), drug abuse (.174), and Internet dependence (146). Third, as a result of analyzing the differences by group using cross-analysis, the groups with a high proportion of suicide risk were identified as the management group of psychological burden, mood problems, anxiety problems, poor self-control, drug abuse management group, and Internet dependence. Fourth, in the analysis of suicide risk using logistic regression analysis, the risk of suicide was high in the first year of middle school and first year of high school, and the risk of suicide was found to be high in the mood problem management group, drug abuse management group, anxiety problem management group, Internet dependence management group, low self-esteem group, and low community conscious group. Youth suicide risk is complex due to the interaction of individual personality, emotional and behavioral characteristics, and social environmental factors, so intervention in cooperation programs by local communities is necessary rather than individual approaches of risk groups
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