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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

From: Work-related neck and upper limb disorders – quantitative exposure–response relationships adjusted for personal characteristics and psychosocial conditions

  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)
  1. 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