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The Effects of Life Changes on Post-Traumatic Stress Disorder after Disasters
Korean J Stress Res 2018;26:319-326
Published online December 31, 2018
© 2018 Korean Society of Stress Medicine.

Hye Sun Lim1 , Kyungok Sim2

1National Disaster Management Research Institute, Ulsan, 2Department of Psychology, Kyungsung University, Busan, Korea
Correspondence to: Kyungok Sim
Department of Psychology, Kyungsung University, 309 Suyeong-ro, Nam-gu, Busan 48434, Korea
Fax: +82-51-663-4193
Received November 20, 2018; Revised December 7, 2018; Accepted December 9, 2018.
Articles published in stress are open-access, distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Background: This study investigated whether pre- and peri-disaster experiences influence on Post-Traumatic Stress Disorder (PTSD) and whether post-disaster stress by life changes have impact on PTSD after controlling pre- and peri-disaster factors.
Methods: Data came from a sample of 1,182 respondents who experienced natural disasters (flood and typhoon) in South Korea from 2012 to 2015. The SPSS Win 22.0 program was used for descriptive analysis, t-test, Chi-square test, Pearson's correlation and logistic regression analysis.
Results: The results indicated that 24.3% of the disaster victims were in PTSD risk group. Compared with non-PTSD, PTSD risk group showed lower interpersonal trust and satisfaction, higher depression and anxiety, and lower subjective well-being. The results of hierarchical logistc regression revealed that all pre-, peri-, and post-disaster factors increased the probability of developing PTSD, except for relocation of residence. Moreover, a primary post-disaster predictor of PTSD was economic distress after controlling for pre- and peri-disaster.
Conclusions: This study tested relative contributions of post-disaster factors on PTSD.
Keywords : Natural disaster, PTSD, Depression, Anxiety, Subjective Well-Being, Life changes

December 2018, 26 (4)

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