| Physical work load factor | 30–44 years | 45–64 years | ⩾65 years | |||
| No | OR (95% CI) | No | OR (95% CI) | No | OR (95% CI) | |
| Handling of loads heavier than 5 or 20 kg | ||||||
| No | 1620 | 1 | 1884 | 1 | 750 | 1 |
| Yes | 484 | 1.3 (0.6 to 2.6) | 809 | 1.5 (1.0 to 2.2) | 594 | 2.2 (1.2 to 4.0) |
| Repetitive movements of the hand or wrist | ||||||
| No | 1183 | 1 | 1402 | 1 | 661 | 1 |
| Yes | 925 | 2.0 (1.1 to 3.7) | 1292 | 1.2 (0.8 to 1.8) | 690 | 2.2 (1.1 to 4.4) |
| Handgrip with high forces | ||||||
| No | 1653 | 1 | 1879 | 1 | 813 | 1 |
| Yes | 455 | 3.3 (1.6 to 6.5) | 814 | 1.9 (1.3 to 2.7) | 534 | 1.4 (0.7 to 2.6) |
| Work with vibrating tools | ||||||
| No | 1967 | 1 | 2418 | 1 | 1170 | 1 |
| Yes | 141 | 2.6 (0.99 to 6.8) | 277 | 2.9 (1.6 to 5.0) | 181 | 1.4 (0.4 to 4.9) |
Adjustment for age, gender, body mass index, smoking and somatisation.