Annals of Occupational and Environmental Medicine

Research Article

A study of job stress, suicidal ideation and suicide attempts in display manufacturing workers: a cross-sectional study: Seung-hwan Ahn, Yong-Jin Lee, Eun-Chul Jang, Soon-Chan Kwon, Young-Sun Min, Seung-Hoon Ryu; Ann Occup Environ Med 2020;32:e16. Published online June 2, 2020; DOI: https://doi.org/10.35371/aoem.2020.32.e16

Background

This study aimed to investigate the association between job stress and suicide ideation/attempts among display manufacturing workers.

Methods

Data were collected from 836 workers in a display manufacturing company who participated in health screenings from May 22 to June 16, 2017. The data included general characteristics, night work, job tenure, previous physician-diagnosed chronic diseases, suicidal ideation/suicide attempts, and job stress. We investigated suicidal ideation/suicide attempts that covered the past year by using a self-reported questionnaire. Job stress was measured using the 43-item Korean Occupational Stress Scale. Multiple logistic regression analysis was used to investigate the association between job stress and suicidal ideation/suicide attempts. The mediator effect of depression on suicidal ideation/suicide attempts was tested using a series of logistic regression by applying Baron and Kenny's mediation method.

Results

In the model adjusting for variables (e.g., age, body mass index, smoking, alcohol consumption, regular exercise, shift work, job tenure, chronic disease and depression), physical environment (OR: 3.60, 95% CI: 1.08–12.02), lack of reward (OR: 5.31, 95% CI: 1.54–18.34), and occupation climate (OR: 7.36, 95% CI: 2.28–23.72) were correlated with suicidal ideation/suicide attempts in women. However, all subscales of job stress were not significantly correlated with suicidal ideation/suicide attempts in men. In mediation analysis, job instability and occupational climate were correlated with suicidal ideation/suicide attempts and were mediated by depression in men workers.

Conclusions

In women workers, the experiences of suicidal ideation/suicide attempts were significantly correlated with the physical environment, lack of reward, and occupational climate that were subscales of job stress. In men workers, depression rather than job stress was correlated with experiences of suicidal ideation/suicide attempts.

Citations

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Relationship between job stress and impaired fasting glucose in male steel industry workers: a cross-sectional study
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Abdulselami Sarigül, Alican Kaya, Izaddin Ahmad Aziz, Murat Yıldırım, Halil Ibrahim Özok, Francesco Chirico, Salvatore Zaffina
Frontiers in Public Health.2023;[Epub] CrossRef
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Original Article

Association between Long Working Hours and Suicidal Ideation: Ki Ung Kim, Shin Goo Park, Hwan Cheol Kim, Jong Han Lim, Sung June Lee, Sung Hwan Jeon, Yong Suk Huh; Korean Journal of Occupational and Environmental Medicine 2012;24(4):339-346. Published online December 31, 2012; DOI: https://doi.org/10.35371/kjoem.2012.24.4.339

Abstract PDF

OBJECTIVES
This study was conducted to investigate the relationship between long working hours and suicidal ideation.
METHODS
Data based on the fourth Korea National Health and Nutrition Health and Nutrition Examination Survey_(2007~2009) pertaining to a total of 4,539 full-time workers were analyzed. Working hours were divided into four groups (<40 hours/week, 40~51 hours/week, 52~60 hours/week, >60 hours/week). The relationship between working hours and suicidal ideation was then analyzed after adjusting for general and occupational characteristics using a multivariate logistic regression model.
RESULTS
Working 40-51 hours/week showed the lowest suicidal ideation(9.5%), whereas working 52~59 hours/week, over 60 hours/week and less than 40 hours/week showed suicidal ideations of 14.8%, 15.7% and 17.2% respectively. Even after adjusting for general and occupational characteristics, employees working 40~51 hours/week had the lowest suicidal ideation. Working 52~59 hour/week, over 60 hours/week and less than 40 hours/week showed an odds ratios of 1.413(p-value: 0.058), 1.380(p-value: 0.020) and 1.164(p-value: 0.358) respectively.
CONCLUSIONS
The results suggest that working long hours, especially over 60 hours per week, is related to suicidal ideation.

Citations

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Statement by the Korean Society of Occupational and Environmental Medicine on the proposed reform of working hours in South Korea
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Annals of Occupational and Environmental Medicine.2016;[Epub] CrossRef
Relationship between Long Working Hours and Suicidal Thoughts: Nationwide Data from the 4th and 5th Korean National Health and Nutrition Examination Survey
Jin-Ha Yoon, Pil Kyun Jung, Jaehoon Roh, Hongdeok Seok, Jong-Uk Won, Kenji Hashimoto
PLOS ONE.2015; 10(6): e0129142. CrossRef
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Chang‐Gyo Yoon, Kyu‐Jung Bae, Mo‐Yeol Kang, Jin‐Ha Yoon
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Original Article

The Association between Nonstandard Employment and Suicidal Ideation: Data from the First~Fourth Korea National Health and Nutrition Examination Surveys: Woncheol Lee, Jaehyeok Ha; Korean Journal of Occupational and Environmental Medicine 2011;23(1):89-97. Published online March 31, 2011; DOI: https://doi.org/10.35371/kjoem.2011.23.1.89

Abstract PDF

OBJECTIVES
In light of the high percentage of nonstandard workers and the high suicide rates in South Korea since the 1997 economic crisis, we examined the association between nonstandard employment and suicidal ideation among South Korean employees.
METHODS
We analyzed data from the Korean National Health and Nutrition Examination Surveys (KNHANES) I, II, III and IV, conducted in 1998, 2001, 2005 and 2007-2009, respectively (13,632 waged workers aged 20-69 years). Employment status was categorized into standard and nonstandard (part-time, temporary and daily) employment. Prevalence ratios (PRs) for self-reported suicidal ideation were compared between nonstandard and standard workers according to each survey wave.
RESULTS
After adjusting for background variables, the risk for suicidal ideation was consistently higher among nonstandard workers in every survey wave. In women, the PRs for suicidal ideation of nonstandard workers compared with standard ones were 1.24~1.37 and all of them were statistically significant. In men, those PRs were 1.36~1.52 with (marginal) statistical significance except for the First KNHANES (1998). Because nonstandard employment is closely related to other factors of suicidal ideation, these estimates are unlikely to have been underestimated.
CONCLUSIONS
The findings suggest the impact of employment status on suicidal ideation and the need for further prospective investigation that lead to policies aimed at improving the problematic labor markets.

Citations

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Sleep and Biological Rhythms.2017; 15(1): 81. CrossRef
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