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Psychiatry Res. 2010 May 30;177(3):318-22. doi: 10.1016/j.psychres.2010.03.007. Epub 2010 Apr 8.

The association of psychosocial and familial factors with adolescent suicidal ideation: A population-based study.

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Department of Psychiatry, University of Ulsan College of Medicine, Asan Medical Center, Poongnap-dong, Songpa-gu, Seoul, 138-736, Republic of Korea.


We aimed to compare the influence of various parental factors on adolescent suicidal ideas from a population-based sample of 2965 adolescents between 15 to 18 years-old, and their parents. Among the subject variables, gender, satisfaction with one's health, having an illness, and satisfaction with family; and among parental variables, fathers' satisfaction with health; mothers' insufficient sleep; parents' history of suicidal ideation, and satisfaction with family were significantly different in adolescents who reported suicidal ideation compared to those who reported none. Odds ratios indicated increased risk of adolescent suicidal ideation was associated with the subject factors female gender, insufficient sleep, dissatisfaction with one's health, dissatisfaction with family, and with maternal data showing insufficient sleep and a positive history of suicidal impulse. A path analysis model (comparative fit index (CFI)=0.907; root mean square error of approximation (RMSEA)=0.047), indicated psychosocial factors (beta=0.232) had a greater influence on adolescent suicidal ideation than did genetic factors (beta=0.120). These results show psychosocial factors have an almost two-fold greater influence on adolescent suicidal ideation than genetic factors. Assessment and modification of these factors would greatly assist future interventions.

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