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Table 4 Odds ratios and 95% confidence intervals of work-related musculoskeletal symptoms with gender stratification

From: The association between long working hours and work-related musculoskeletal symptoms of Korean wage workers: data from the fourth Korean working conditions survey (a cross-sectional study)

 

Weekly working hour

Upper limb pain

Lower limb pain

Male

Female

Male

Female

OR

95% CI

OR

95% CI

OR

95% CI

OR

95% CI

Crude

≤40

1

Reference

1

Reference

1

Reference

1

Reference

41–52

1.50

1.37–1.65

1.22

1.16–1.33

1.39

1.24–1.55

1.17

1.06–1.29

> 52

1.90

1.73–2.10

1.96

1.76–2.18

2.09

1.87–2.34

1.98

1.77–2.22

Model I*

≤40

1

Reference

1

Reference

1

Reference

1

Reference

41–52

1.37

1.24–1.51

1.28

1.16–1.41

1.27

1.13–1.43

1.23

1.10–1.38

> 52

1.47

1.32–1.64

1.77

1.57–2.00

1.52

1.34–1.73

1.56

1.40–1.72

Model II**

≤40

1

Reference

1

Reference

1

Reference

1

Reference

41–52

1.36

1.23–1.50

1.26

1.14–1.39

1.26

1.11–1.42

1.20

1.07–1.35

> 52

1.40

1.25–1.57

1.66

1.46–1.89

1.47

1.29–1.68

1.47

1.28–1.69

  1. *Adjusted for gender, age, education, occupation, monthly income, employment status, shift work and number of employees
  2. **Adjusted for gender, age, education, occupation, monthly income, employment status, shift work, number of employees, working motion or posture, job stress, and social support
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Annals of Occupational and Environmental Medicine

ISSN: 2052-4374

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