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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