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Household income changes and suicidal ideation in South Korea: Findings from a longitudinal study

Authors
 Doo Woong Lee  ;  Hin Moi Youn  ;  Soo Hyun Kang  ;  Sung-In Jang  ;  Eun-Cheol Park 
Citation
 SUICIDE AND LIFE-THREATENING BEHAVIOR, Vol.51(4) : 795-806, 2021-08 
Journal Title
Suicide & Life-Threatening Behavior
ISSN
 0363-0234 
Issue Date
2021-08
Keywords
equivalized household disposable income ; household income change ; longitudinal study ; social support ; suicidal ideation ; suicide
Abstract
Introduction: This study aimed to provide evidence for the need for social and welfare support in suicide prevention. Methods: Data were collected from the Korean Welfare Panel Study, 2011-2016. The study sample consisted of 7504 people (male: 3080 and female: 4424; mean age: 54.4 ± 16.6), with annual follow-ups until 2016. A generalized linear mixed-effects model using a logit link function with random intercept for longitudinal binary data was employed to identify the association between household income change and suicidal ideation status. Results: Suicidal ideation was found in 279 (3.7%) people at the baseline year. A drastic reduction in household income was associated with an increased probability of having suicidal ideation (adjusted odds ratio: 2.205, 95% confidence interval: 1.326-3.666). Using interaction analyses, those who had a drastic reduction in household income and were married, males, aged 40-49, and previously in a middle- to high-income group showed a higher probability of having suicidal ideation. Conclusion: A drastic reduction in household income was associated with a higher probability of suicidal ideation, with specific differences according to gender, age, previous household income level, and marital status. This study reinforces the need for social and welfare support in suicide prevention policies and programs.
Full Text
https://onlinelibrary.wiley.com/doi/10.1111/sltb.12748
DOI
10.1111/sltb.12748
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Preventive Medicine (예방의학교실) > 1. Journal Papers
Yonsei Authors
Park, Eun-Cheol(박은철) ORCID logo https://orcid.org/0000-0002-2306-5398
Jang, Sung In(장성인) ORCID logo https://orcid.org/0000-0002-0760-2878
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/184779
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