Characteristics of subjects in source datasets
| Machinists n = 26 | Car mechanics n = 23 | House painters n = 23 | |
|---|---|---|---|
| All subjects were male. | |||
| *Including apprenticeship. | |||
| Age (years), mean (SD) | 44.6 (10.6) | 44.1 (10.2) | 45.1 (9.6) |
| Height (cm), mean (SD) | 178.7 (5.9) | 180.4 (5.7) | 179.7 (5.1) |
| Weight (kg), mean (SD) | 83.6 (12.5) | 80.3 (11.2) | 81.8 (12.0) |
| Handedness | |||
| Right handed (%) | 96.1 | 82.6 | 82.6 |
| Left handed (%) | 3.9 | 8.7 | 4.4 |
| Both handed (%) | 0.0 | 8.7 | 13.0 |
| Duration of employment in trade* (years), mean (SD) | 25.8 (12.1) | 26.1 (10.9) | 26.8 (9.1) |