Table 3

 Disparities in the risk of upper limb disorders between manual and non-manual workers in the Pays de la Loire study (age adjusted prevalence ratios (PR), 95% confidence intervals (95% CI))

Any of six principal upper limb disorders*
Men (n = 1549; 175 cases)Women (n = 1107; 167 cases)
PR (95% CI)% Difference from Model 1PR (95% CI)% Difference from Model 1
*Includes rotator cuff syndrome, ICD10 M75.1; epicondylitis, ICD10 M77.1; cubital tunnel syndrome, ICD10 G56.2; extensor/flexor tendonitis/tenosynovitis, ICD10 G65.8; de Quervain’s disease, ICD10 G65.4; and carpal tunnel syndrome, ICD10 G56.0.
†Adjusted for age.
‡Adjusted for age, obesity, diabetes, thyroid disease, arthritis.
Model 1†Manual occupation1.67 (1.24–2.24)1.90 (1.44–2.51)
BMI ⩾30 kg/m21.56 (1.07–2.27)0.90 (0.57–1.42)
Diabetes1.32 (0.62–2.82)2.72 (1.34–5.52)
Thyroid disease0.46 (0.10–2.11)1.00 (0.62–1.63)
Arthritis0.95 (0.27–3.33)1.09 (0.55–2.14)
Model 2‡Manual occupation1.46 (1.08–1.97)311.44 (1.07–1.94)51
Repetitive movements with breaks1.72 (1.27–2.35)1.76 (1.29–2.40)
Repetitive movements w/o breaks1.98 (1.15–3.43)2.25 (1.52–3.33)
Model 3§Manual occupation1.48 (1.07–2.05)281.83 (1.37–2.44)8
Force exertion: <2 hours/day1.16 (0.79–1.68)1.28 (0.89–1.82)
⩾2 hours/day1.53 (1.07–2.16)1.13 (0.69–1.85)
Model 4§Manual occupation1.32 (0.95–1.84)521.39 (1.02–1.89)57
Repetitive movements with breaks1.68 (1.22–2.30)1.75 (1.27–2.39)
Repetitive movements w/o breaks1.95 (1.12–3.38)2.30 (1.55–3.42)
Forceful movements: <2 hours/day1.18 (0.82–1.70)1.31 (0.91–1.87)
⩾2 hours/day1.44 (1.00–2.06)1.05 (0.65–1.71)