Table 3 Relative risk of hand pain as a prevalence ratio (PR) with a 95% confidence interval (95% CI) in unadjusted Model #1 and fully adjusted Model #5
Exposure of interest and covariates | Categories / Units | Unadjusted PR (95% CI) for hand pain (Model #1) | Adjusted PR (95% CI) for hand pain (Model #5) |
|---|---|---|---|
Manual handling operations | Often | 3.254 (2.945–3.595) | 2.260 (2.002–2.551) |
Sometimes | 1.602 (1.383–1.855) | 1.343 (1.149–1.571) | |
Rarely | 1.206 (1.015–1.433) | 1.172 (0.981–1.400) | |
Never (ref.) | 1 (ref.) | 1 (ref.) | |
Manual lifting of heavy loads | Often | 1.341 (1.183–1.520) | |
Sometimes | 1.149 (1.003–1.317) | ||
Rarely | 0.959 (0.844–1.089) | ||
Never (ref.) | 1 (ref.) | ||
Overhead work | Often | 1.386 (1.229–1.563) | |
Rarely (ref.) | 1 (ref.) | ||
Cold; heat; wet humidity; draught | Often | 1.496 (1.340–1.669) | |
Sometimes | 1.191 (1.056–1.343) | ||
Rarely | 0.985 (0.856–1.133) | ||
Never (ref.) | 1 (ref.) | ||
Age | Per year | 1.010 (1.007–1.014) | |
Gender | Women / men (ref.) | 1.587 (1.464–1.721) | |
Actual weekly working hours | Per hour | 0.988 (0.982–0.994) | |
Psychosocial workload index (Kroll 2011) [26] | Per index-point | 1.012 (1.009–1.016) |