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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(More)
With the population of the elderly increasing, suicides among elderly people present a serious problem for global societies. However, there are few studies on suicide among elderly subjects, especially in Asia. The study aimed to determine the relationship between physical health, mental health, social environmental condition, and the suicide behavior among(More)
In this study, we used data from a longitudinal sample, followed from childhood (age 7) to adolescence (age 13–15), to identify the early childhood risk factors correlated with adolescent delinquency according to gender, since such studies are rare [1–3]. At baseline, 3,808 first grade pupils participated in an epidemiological study on child psychiatric(More)
PURPOSE The aim of this study was to evaluate the relationships among various psychosocial factors, behavior problems, and depressive symptoms reported by parents, and to investigate self-reported depression in Korean children using a community sample. MATERIALS AND METHODS The sample consisted of 1279 children between 9 and 12 years of age. The children(More)
This study investigated the socio-demographic characteristics and emotional and behavioral factors associated with the perceived need and actual use of adolescent mental health services according to genders in Korea. We assessed 1,857 middle school students aged 14-16 years. We administered a self-reported questionnaire including questions on their(More)
OBJECTIVE The aim of this study was to examine the prevalence of Internet addiction in middle school students and to identify associated psychosocial risk factors and depression. METHODS This study was part of a larger epidemiological study on childhood psychiatric disorders conducted in Osan, a city of Republic of Korea. We used IAS for internet(More)
Depression during adolescence is critical to the individual's own development. Hence, identifying individuals with high-risk depression at an early stage is necessary. This study aimed to identify childhood emotional and behavioral risk factors related to depressive symptoms in Korean adolescents through a longitudinal study. The first survey took place(More)
OBJECTIVE Peer relationships are one of the important factors in children's development. The present study examines the relationship between the effects of early peer relationships and adolescent psychological adjustment. METHODS The first survey took place from 1998 to 2000, and a follow-up assessment obtained data in 2006, as the original participants(More)
In the last few decades, changing socioeconomic and family structures have increasingly left children alone without adult supervision. Carefully prepared and limited periods of unsupervised time are not harmful for children. However, long unsupervised periods have harmful effects, particularly for those children at high risk for inattention and problem(More)
OBJECTIVE This study had two main goals: to examine the structure of co-occurring peer bullying experiences among adolescents in South Korea from the perspective of victims and to determine the effects of bullying on suicidal behavior, including suicidal ideation and suicide attempts, among adolescents. METHOD This study used data gathered from 4,410(More)