Table 5.
Associations between physical exposure on the right side, as well as psychosocial factors, and complaints during the past 7 days in the neck and right upper limb, calculated with Poisson regression
| N | Neck/shoulder | Elbow/hand | |||
|---|---|---|---|---|---|
| Crude PR (95% CI) |
Age-adjusted PR (95% CI) |
Crude PR (95% CI) |
Age-adjusted PR (95% CI) |
||
| Physical exposure | |||||
| Head | |||||
| Forward inclination (°) 90th percentile | |||||
| Men | 1105 | 0.96 (0.89–1.04) | 0.96 (0.89–1.04) | 1.22 (1.09–1.37) | 1.23 (1.09–1.37) |
| Women | 3844 | 0.94 (0.90–0.99) | 0.94 (0.89–0.98) | 1.03 (0.95–1.11) | 0.98 (0.90–1.06) |
| Velocity (°/s) 50th percentile | |||||
| Men | 1105 | 1.00 (0.92–1.09) | 1.03 (0.94–1.13) | 1.40 (1.28–1.53) | 1.42 (1.29–1.56) |
| Women | 3844 | 1.11 (1.03–1.20) | 1.11 (1.03–1.21) | 1.63 (1.46–1.82) | 1.70 (1.53–1.90) |
| Trapezius | |||||
| Activity (%MVE) 90th percentile | |||||
| Men | 1049 | 1.11 (0.90–1.36) | 1.17 (0.96–1.43) | 2.10 (1.82–2.43) | 2.15 (1.84–2.50) |
| Women | 4227 | 1.23 (1.13–1.34) | 1.24 (1.13–1.35) | 1.80 (1.59–2.06) | 1.89 (1.66–2.14) |
| Upper arm | |||||
| Elevation (°) 90th percentile | |||||
| Men | 1105 | 0.93 (0.75–1.15) | 0.91 (0.73–1.13) | 1.27 (0.92–1.75) | 1.27 (0.92–1.75) |
| Women | 3823 | 0.97 (0.91–1.02) | 0.97 (0.91–1.03) | 0.93 (0.85–1.02) | 0.95 (0.86–1.04) |
| Velocity (°/s) 50th percentile | |||||
| Men | 1105 | 1.01 (0.99–1.03) | 1.01 (0.99–1.04) | 1.08 (1.06–1.10) | 1.09 (1.07–1.11) |
| Women | 3799 | 1.05 (1.03–1.07) | 1.05 (1.03–1.07) | 1.13 (1.10–1.16) | 1.15 (1.12–1.17) |
| Forearm extensors | |||||
| Activity (%MVE) 90th percentile | |||||
| Men | 930 | 0.97 (0.87–1.09) | 1.00 (0.89–1.12) | 1.40 (1.26–1.56) | 1.43 (1.28–1.60) |
| Women | 3516 | 1.05 (0.99–1.10) | 1.05 (0.99–1.11) | 1.27 (1.17–1.37) | 1.36 (1.26–1.47) |
| Wrist | |||||
| Palmar flexion (°) 50th percentile | |||||
| Men | 1049 | 0.94 (0.75–1.17) | 1.00 (0.79–1.26) | 1.50 (1.09–2.06) | 1.56 (1.13–2.14) |
| Women | 4663 | 0.99 (0.95–1.03) | 0.99 (0.95–1.03) | 1.24 (1.15–1.33) | 1.23 (1.14–1.32) |
| Velocity (°/s) 50th percentile | |||||
| Men | 1049 | 1.02 (0.95–1.10) | 1.05 (0.98–1.13) | 1.35 (1.25–1.45) | 1.37 (1.27–1.48) |
| Women | 4663 | 1.09 (1.06–1.12) | 1.09 (1.06–1.13) | 1.26 (1.21–1.32) | 1.31 (1.26–1.37) |
| Psychosocial factors | |||||
| Job demands | |||||
| Men | 857 | 1.29 (1.06–1.58) | 1.29 (1.06–1.57) | 1.30 (1.00–1.69) | 1.31 (1.00–1.71) |
| Women | 3584 | 1.34 (1.24–1.44) | 1.33 (1.24–1.44) | 1.43 (1.27–1.60) | 1.39 (1.25–1.56) |
| Job control | |||||
| Men | 876 | 0.92 (0.79–1.08) | 0.86 (0.74–1.01) | 0.61 (0.51–0.74) | 0.59 (0.49–0.71) |
| Women | 3608 | 0.80 (0.75–0.85) | 0.80 (0.75–0.86) | 0.66 (0.60–0.72) | 0.61 (0.56–0.66) |
| Job support | |||||
| Men | 875 | 0.83 (0.68–1.01) | 0.81 (0.67–0.99) | 0.71 (0.56–0.92) | 0.70 (0.55–0.90) |
| Women | 3596 | 0.84 (0.79–0.91) | 0.84 (0.78–0.91) | 0.70 (0.63–0.78) | 0.69 (0.62–0.77) |
Prevalence ratio (PR) and 95% confidence interval (CI). Results in bold face are statistically significant. The PRs are expressed per 10°, 10°/s, 10%MVE and for psychosocial factors per step on the 1–4 point scale