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Original Article The association between occupational stress level and health-related productivity loss among Korean employees
Jonghee Chung1orcid , Jin-Hyo Kim1orcid , Jae Yoon Lee1orcid , Hee Seok Kang1orcid , Dong-wook Lee2,3orcid , Yun-Chul Hong4orcid , Mo-Yeol Kang5orcid
Epidemiol Health 2023;45e2023009-0
DOI: https://doi.org/10.4178/epih.e2023009
Published online: December 28, 2022
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1College of Medicine, The Catholic University of Korea, Seoul, Korea
2Public Healthcare Center, Seoul National University Hospital, Seoul, Korea
3Department of Preventive Medicine, Seoul National University College of Medicine, Seoul, Korea
4Department of Human Systems Medicine, Seoul National University College of Medicine, Seoul, Korea
5Department of Occupational and Environmental Medicine, Seoul St. Mary’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
Corresponding author:  Mo-Yeol Kang,
Email: snaptoon@naver.com
Received: 15 November 2022   • Accepted: 28 December 2022
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Abstract

OBJECTIVES
Occupational stress management is particularly important for successful business operations, since occupational stress adversely affects workers’ health, eventually lowering their productivity. Therefore, this study aimed to investigate the correlation between occupational stress and health-related productivity loss (HRPL) among Korean workers.
METHODS
In 2021, 1,078 workers participated in a web-based questionnaire survey. HRPL was measured using the Work Productivity and Activity Impairment Questionnaire, and occupational stress was measured using the Korean Occupational Stress Scale-Short Form. The occupational stress level was divided into tertiles (low, intermediate, and high), and the low occupational stress group was used as the reference group. Using a generalised linear model, differences in labour productivity loss according to the level of occupational stress were tested after adjusting for demographic characteristics such as age, gender, education level, household income, occupation, and underlying medical conditions.
RESULTS
Non-parametric regression analysis of HRPL according to occupational stress showed a direct association between occupational stress and HRPL. A statistically significant difference was observed in HRPL between participants with intermediate and high occupational stress and those with low occupational stress.
CONCLUSIONS
Our results support the hypothesis that high occupational stress is associated with decreased labour productivity.

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