Childhood Predictors of Deliberate Self-Harm Behavior and Suicide Ideation in Korean Adolescents: A Prospective Population-Based Follow-Up Study

다국어 초록 (Multilingual Abstract)

The aim of this study was to investigate predictors of adolescence suicidality in a

longitudinal study. Additionally, the prevalence of deliberate self-harm behavior and

suicide ideation at age 7 and during middle school were examined. Initial assessment

data was obtained from 1998 to 2000, and a follow-up assessment was performed

in 2006 when the original subjects became middle school students. The addresses

and names of 1,857 subjects were located from the original data; they were 910

boys and 947 girls. The subjects were evaluated with the Korean version of the Child

Behavior Checklist (K-CBCL), which was administered by the parents of the children,

and by various demographic and psychosocial factors. They were reassessed

using self reports on the Korea Youth Self Report (K-YSR); in particular, replies to

items related to self-harm behavior and suicide ideation were recorded. A logistic

regression analysis showed that the factors of gender, economic status, the overall

amount of behavior problems, the tendency to internalizing and externalizing problems,

somatic problems, thought problems, delinquent behavior, and aggressive

behavior were independent predictors of adolescent suicide ideation and self-harm

behavior. The importance of total behavior problems suggested that adolescent difficulty

is a consequence of an accumulation of various risk factors. Accordingly, clinicians

must consider a range of internalizing and externalizing issues, especially overall

adaptation, for suicide intervention.

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