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Differentiation of direct and indirect socioeconomic effects on suicide attempts in South Korea

Authors
Ki, MyungSohn, Eui SeongAn, ByungduckLim, Jiseun
Issue Date
12월-2017
Publisher
LIPPINCOTT WILLIAMS & WILKINS
Keywords
mediating effect; physical illness; socioeconomic position; suicide attempts
Citation
MEDICINE, v.96, no.51
Indexed
SCIE
SCOPUS
Journal Title
MEDICINE
Volume
96
Number
51
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/81310
DOI
10.1097/MD.0000000000009331
ISSN
0025-7974
Abstract
Despite the wide recognition of the inverse association between socioeconomic position (SEP) and suicidal behaviors, its underlying process and potential mediators are little known. This study investigated the pathway from SEP to suicide attempts with attention to potential mediators.From the Korean Health and Nutrition Examination Survey 2007-2013, which is a nationwide cross-sectional survey of the health and nutritional status, a total of 34,565 participants (30 years) were included in the analysis. To unfold the pathways linking SEP to suicide attempts, the direct and indirect effects of 3 SEP measures (educational attainment, household income, and occupational group) and 3 mediators (physical illness, mental health problems, and problematic drinking) were differentiated using structured equation model (SEM).Most of direct and indirect effects of educational attainment, household income, and occupational group on suicide attempts were significant; Nonemployment status had the largest total (=0.291, P<.01) and direct effects (=0.212, P<.01), while educational attainment had the largest indirect effect (=-0.124, P<.01). Educational attainment was mainly mediated by physical illness and problem drinking, whereas household income and occupational group were mainly mediated by anxious or depressed mood and problem drinking. Physical illness played a major role in explaining suicide attempts, compared to mental health problem and problem drinking.Overall, experience of socioeconomic disadvantage increased suicide attempts independently of mental and physical problems. An extension of suicide prevention program is required for comprehensively targeting people with general problems such as physical illness and low SEP, complemented to narrowly targeting high risk group with, such as mental health problem.
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