| Chronic pain | Pain-free control |
---|---|---|
Demographics | Â | Â |
 Age (years) | 45 (11) | 45 (11) |
 Height (cm) | 179 (7) | 178 (7) |
 Weight (kg) | 90 (16) | 87 (13) |
 Body Mass Index (kg/m2) | 28 (5) | 28 (5) |
 Weekly working hours | 40 (1) | 39 (6) |
 Duration of slaughterhouse work (years) | 17 (10) | 16 (13) |
 Number of participants | 49 | 33 |
Clinical | Â | Â |
 Shoulder pain intensity previous week (0-10) | 5.6 (2.3) | 0.1 (0.3) |
 Elbow/Forearm pain intensity previous week (0–10) | 3.9 (2.7) | 0.0 (0.2) |
 Hand/Wrist pain intensity previous week (0–10) | 3.7 (2.9) | 0.2 (0.6) |
 Pain duration > 3 months (%) | 100 | 0 |