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Internalizing Symptoms as Mediators of Lifetime Incidence of Trauma and Quality of Life among Out-of-School Youths
J Korean Acad Child Adolesc Psychiatry 2018; 29(3): 137-143
Published online July 1, 2018
© 2018 Korean Academy of Child and Adolescent Psychiatry.

Yeon Jung Lee1, So Hee Lee2, Woori Han2, Moon-Soo Lee3, Dae Hyun Um2, Eun Hee Chung4, and Jeong Min Eom5

1Department of Psychiatry, College of Medicine, Soonchunhyang University, Seoul Hospital, Seoul, Korea
2Department of Psychiatry, National Medicine Center, Seoul, Korea
3Department of Psychiatry, College of Medicine, Korea University, Guro Hospital, Seoul, Korea
4Department of Pediatrics, College of Medicine, Chungnam National University, Daejeon, Korea
5Department of Obstetrics and Gynecology, College of Medicine, Hanyang University, Seoul, Korea
Correspondence to: So Hee Lee, Department of Psychiatry, National Medical Center, 245 Eulji-ro, Jung-gu, Seoul 04564, Korea Tel: +82-2-2260-7311, Fax: +82-2-2268-5028, E-mail:
Received March 14, 2018; Revised April 10, 2018; Accepted April 14, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License ( which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Objectives: The present study aimed to investigate the relationships among the lifetime incidence of trauma, internalizing symptoms, and quality of life (QoL) in out-of-school youths (OSYs).
Methods: We recruited 50 OSYs in South Korea. Participants completed the following surveys: completed Lifetime Incidence of Traumatic Events for children, Youth Self Report, and The KIDSCREEN-27 QoL measure for children and adolescents. Mediation analysis was conducted to test the research hypotheses.
Results: The mean lifetime incidence of traumatic events among OSYs was 3.27 (standard deviation, 2.41). Internalizing symptoms significantly mediated the lifetime incidence of trauma and QoL. OSYs with fewer internalizing symptoms exhibited a better QoL in the domain of psychological well-being, although their lifetime incidence of trauma was higher.
Conclusion: The results of current study suggest that assessment and therapeutic intervention with regard to internalizing symptoms are needed to increase the QoL of OSYs.
Keywords : School dropout; Adolescent; Anxiety; Depression; Quality of life.

July 2018, 29 (3)
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  • Ministry of Health and Welfare(Ministry of Health, Welfare and Family Affairs)