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This is a Quantitative Study study.

September 26, 2025Open Access

Association Between Types of Shift Work and Physical Health Symptoms, Including Musculoskeletal Symptoms and Sleep Disturbance: Evidence from the 7th Korean Working Conditions Survey

Key Points

Rotating shift work significantly increases the odds of low back pain and upper extremity pain.
Fixed shift workers show a heightened risk for anxiety and depression compared to non-shift workers.
Data analysis involved 43,011 participants from the 7th Korean Working Conditions Survey.
The findings emphasize the need for tailored occupational health interventions and policy responses.

Abstract

Abstract Objective This study examined the associations between different types of shift work and health symptoms, including musculoskeletal symptoms and sleep disturbances, among South Korean workers. Methods Data from 43,011 participants in the 7th Korean Working Conditions Survey were analyzed. Multivariate logistic regression was used to estimate adjusted odds ratios (aORs) with 95% confidence intervals (CIs) for each shift type. Results Rotating shift work was significantly associated with low back pain (aOR = 1.31, 95% CI: 1.13–1.52), upper extremity pain (aOR = 1.31, 95% CI: 1.14–1.51), and waking up exhausted (aOR = 1.41, 95% CI: 1.20–1.64). Fixed shift workers had increased risks of anxiety (aOR = 1.77, 95% CI: 1.33–2.34) and depression (aOR = 2.08, 95% CI: 1.50–2.86). Conclusion Rotating and fixed shift types are associated with adverse health outcomes. These findings support the need for shift type specific occupational health interventions and policy responses.

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