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Research Article
- Relationship between long work hours and self-reported sleep disorders of non-shift daytime wage workers in South Korea: data from the 5th Korean Working Conditions Survey
- Hongsuk Choi, Sungho Lee, Man-Joong Jeon, Young-Sun Min
- Ann Occup Environ Med 2020;32:e35. Published online November 3, 2020
- DOI: https://doi.org/10.35371/aoem.2020.32.e35
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ePub Background Studies have investigated the relationship between long work hours and sleep disorders; however, they have focused on shift workers or specific workers who are at high risk of industrial accidents rather than wage workers in general. The purpose of this study is to investigate the effects of long work hours on sleep disorders among non-shift daytime wage workers.
Methods We conducted a secondary analysis of data from the 5th Korean Working Conditions Survey. From the 50,205 total participants, we included 26,522 non-shift daytime wage workers after excluding self-employed people, business owners, unpaid family employees, and wage workers who work nights and shifts. Sleep disorders were categorized into “difficulty in falling asleep,” “frequent waking,” and “waking up with fatigue.” Logistic regression analysis was used to evaluate the influence of long work hours on sleep disorders, and the odds ratios (ORs) were calculated.
Results The OR of working > 52 hours per week was 1.183 (95% confidence interval [CI]: 1.002–1.394) for the risk of developing insomnia compared with working ≤ 40 hours per week. The OR of waking up with fatigue was 1.531 (95% CI: 1.302–1.801). Long work hours showed no significant relationship with difficulty in falling asleep or with frequent waking.
Conclusions Working for extended hours was associated with increased fatigue upon waking in non-shift daytime wage workers.
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Citations
Citations to this article as recorded by
- Relationship between working hours and sleep quality with consideration to effect modification by work style: a community-based cross-sectional study
Aya Yoshida, Keiko Asakura, Haruhiko Imamura, Sachie Mori, Minami Sugimoto, Takehiro Michikawa, Yuji Nishiwaki
Environmental Health and Preventive Medicine.2024; 29: 19. CrossRef - The role of work–family conflict in the association between long working hours and workers’ sleep disturbance and burnout: results from the sixth Korean Working Conditions Survey
Seong-Uk Baek, Jong-Uk Won, Jin-Ha Yoon
BJPsych Open.2023;[Epub] CrossRef - The associations between working conditions and subjective sleep quality among female migrant care workers
I-Ming Chen, Tzu-Yun Lin, Yi-Ling Chien, Jennifer Yi-Ying Chen, Jen-Hui Chan, Shih-Cheng Liao, Po-Hsiu Kuo, Hsi-Chung Chen
Frontiers in Public Health.2023;[Epub] CrossRef - Willingness to pay for integrative healthcare services to treat sleep disturbances: Evidence from a nationwide survey
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European Journal of Integrative Medicine.2023; 58: 102223. CrossRef - Work schedule characteristics associated with sleep disturbance among healthcare professionals in Europe and South Korea: a report from two cross-sectional surveys
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BMC Nursing.2022;[Epub] CrossRef - Predictors of Satisfaction With Work Environment in the Context of a Mismatch in Working Hours: A Nationwide, Large-Scale, Cross-Sectional Study
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INQUIRY: The Journal of Health Care Organization, Provision, and Financing.2022; 59: 004695802211282. CrossRef - Association between physical risk factors and sleep disturbance among workers in Korea: The 5th Korean Working Conditions Survey
Inho Park, Seunghan Kim, Yangwook Kim, Byungyoon Yun, Jin-Ha Yoon
Sleep Medicine.2022; 100: 157. CrossRef - Changes in the Health Indicators of Hospital Medical Residents During the Four-Year Training Period in Korea
Ji-Sung Ahn, Seunghyeon Cho, Won-Ju Park
Journal of Korean Medical Science.2022;[Epub] CrossRef
- Relationship between working hours and sleep quality with consideration to effect modification by work style: a community-based cross-sectional study
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- 10 Web of Science
- 8 Crossref
Research Article
- The relationship between precarious employment and subjective well-being in Korean wage workers through the Cantril ladder Scale
- Go Choi, Shin-Goo Park, Youna Won, Hyeonwoo Ju, Sung Wook Jang, Hyung Doo Kim, Hyun-Suk Jang, Hwan-Cheol Kim, Jong-Han Leem
- Ann Occup Environ Med 2020;32:e11. Published online April 17, 2020
- DOI: https://doi.org/10.35371/aoem.2020.32.e11
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Abstract
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Background The global labor market is moving towards increasing job instability. Relatively few studies have examined the relationship between precarious employment and subjective well-being using quantitative scales. We evaluated the association between wage workers' employment status and their subjective well-being through the Cantril ladder scale using Korean Welfare Panel Survey data (KOWEPS).
Methods This study used KOWEPS data. A total of 4,423 wage workers were divided into permanently employed workers, temporarily employed workers and daily employed workers. The relationship between precarious employment and subjective well-being was analyzed by multiple linear regression adjusted for potential confounding factors.
Results The more unstable the employment status, the lower the subjective well-being, which can be expressed by the Cantril ladder scale. The mean score of both temporarily employed and daily employed workers were statistically significantly lower (B = −0.454,
p < 0.001; B = −0.994,p < 0.001, respectively) than permanently employed workers. This appeared to be the same when occupational and sociodemographic factors were adjusted (B = −0.153,p = 0.002 for temporarily employed, B = −0.610,p < 0.001 for daily employed).Conclusions The more unstable the employment status, the lower the subjective well-being score according to the Cantril ladder scale.
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Citations
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Advances in Education.2023; 13(10): 7806. CrossRef - Increased risk of sleep problems according to employment precariousness among paid employees in Korea
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PLOS ONE.2022; 17(2): e0263170. CrossRef - Association between Precarious Employment and Smoking and Regular Exercise: Results from Nationally Representative Surveys from 2005 to 2020
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Sustainability.2020; 13(1): 60. CrossRef
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Research Article
- Effect of Long Working Hours on Self-reported Hypertension among Middle-aged and Older Wage Workers
- Dong Hyun Yoo, Mo-yeol Kang, Domyung Paek, Bokki Min, Sung-il Cho
- Ann Occup Environ Med 2014;26:25-25. Published online September 3, 2014
- DOI: https://doi.org/10.1186/s40557-014-0025-0
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Abstract
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Objectives Many studies have reported an association between overwork and hypertension. However, research on the health effects of long working hours has yielded inconclusive results. The objective of this study was to identify an association between overtime work and hypertension in wage workers 45 years and over of age using prospective data.
Methods Wage workers in Korea aged 45 years and over were selected for inclusion in this study from among 10,254 subjects from the Korean Longitudinal Study of Ageing. Workers with baseline hypertension and those with other major diseases were excluded. In the end, a total of 1,079 subjects were included. A Cox proportional hazards model was used to calculate hazard ratios and adjust for baseline characteristics such as sex, age, education, income, occupation, form of employment, body mass index, alcohol habit, smoking habit, regular exercise, and number of working days per week. Additional models were used to calculate hazard ratios after gender stratification.
Results Among the 1,079 subjects, 85 workers were diagnosed with hypertension during 3974.2 person-months. The average number of working hours per week for all subjects was 47.68. The proportion of overtime workers was 61.0% (cutoff, 40 h per week). Compared with those working 40 h and less per week, the hazard ratio of subjects in the final model, which adjusted for all selected variables, working 41-50 h per week was 2.20 (95% confidence interval [CI], 1.19–4.06), that of subjects working 51-60 h per week was 2.40 (95% CI, 1.07–5.39), and that of subjects working 61 h and over per week was 2.87 (95% CI, 1.33–6.20). In gender stratification models, the hazard ratio of the females tended to be higher than that of the males.
Conclusion As the number of working hours per week increased, the hazard ratio for diagnosis of hypertension significantly increased. This result suggests a positive association between overtime work and the risk of hypertension.
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- 241 View
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- 32 Web of Science
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