Table 5.
Results of multivariable analysis of psychological and physical predictive risk factors for forearm/hands complaints adjusted for age, sex and history of complaint
| Risk factor | Bivariate analysis | Multivariable analysis | ||
|---|---|---|---|---|
| OR (95% CI) | P-value | OR (95% CI) | P-value | |
| Computer working hours/day | 0.8 (0.45–1.46) | 0.50 | 0.96 (0.79–1.17) | 0.36 |
| Previous history of complaints | 6.9 (3.41–13.9) | 0.01 | 7.1 (3.5–14.20) | 0.00 |
| Equipment position | 2.0 (0.93–2.78) | 0.40 | 0.8 (0.6–1.21) | 0.47 |
| Personal computer placement | 0.5 (0.05–0.85) | 0.61 | 1.1 (0.6–1.92) | 0.67 |
| Awkward body posture | 2.0 (0.07–0.23) | 0.01 | 1.0 (0.9–1.10) | 0.88 |
| Irregular head and body posture | 0.1 (0.09–0.36) | 0.05 | 0.9 (0.8–1.01) | 0.27 |
| Decision authority | 1.5 (0.25–0.31) | 0.11 | 0.9 (0.8–1.02) | 0.34 |
| Skills discretion | 1.6 (0.75–1.75) | 0.09 | 0.9 (0.8–1.25) | 0.32 |
| Job pressure | 1.7 (0.02–0.27) | 0.08 | 0.9 (0.8–1.02) | 0.54 |
| Task difficulty | 1.5 (0.07–0.60) | 0.12 | 1.0 (0.9–1.30) | 0.05 |
| Social support | 1.1 (0.05–0.18) | 0.24 | 1.0 (0.9–1.11) | 0.80 |
| Work flow | 1.2 (0.10–1.43) | 0.21 | 1.0 (0.8–1.21) | 0.73 |
| Job strain | 0.3 (0.23–0.34) | 0.97 | 2.5 (1.6–13.10) | 0.34 |