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. 2016 Aug 2:28:31.
doi: 10.1186/s40557-016-0120-5. eCollection 2016.

Factors associated with suicide ideation among subway drivers in Korea

Junsu Byun  1 , Hyoung-Ryoul Kim  1 , Hye-Eun Lee  1 , Se-Eun Kim  2 , Jongin Lee  3
Affiliations

Factors associated with suicide ideation among subway drivers in Korea

Junsu Byun et al. Ann Occup Environ Med. .

Abstract

Background: There were several suicide events of subway drivers in Korea. The aim of this study is to explore work-related factors associated with suicide ideation among subway drivers.

Methods: We analyzed data from 980 male subway drivers. A section of the Korean version of the Composite International Diagnostic Interview (K-CIDI 2.1) was administered by trained interviewers to judge whether a driver has suicide ideation and to diagnose psychiatric disorders. A questionnaire was also administered to collect data on sociodemographic characteristics, work environments, occupational stress, person under train (PUT) experience, and work-related problems. Occupational stress was examined by using the Korean Occupational Stress Scale (KOSS). Logistic regression was applied to evaluate the association between work-related factors and suicide ideation among subway drivers.

Results: Regarding work-related problems, conflict with passengers and sudden stops due to the emergency bell were significantly associated with suicide ideation. MDD, PTSD, and panic disorder were strongly associated with suicide ideation. In the analysis of occupational stress, insufficient job control (OR 2.34) and lack of reward (OR 2.52) were associated with suicide ideation even after being adjusted for psychiatric disorders and other work-related factors.

Conclusions: Insufficient job control and lack of reward were associated with suicide ideation among subway drivers. Strategies for drivers to have autonomy while working and to achieve effort-reward balance should be implemented. Furthermore, drivers who have experienced negative work-related problems should be managed appropriately.

Keywords: Occupational stress; Subway drivers; Suicide; Suicide ideation.

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