From: Musculoskeletal disorders in shipyard industry: prevalence, health care use, and absenteeism
 | White collar workers (n = 229) | Blue collar worker (n = 624) |
---|---|---|
Age (y, mean (SD)) | 36.8 (9.1) | 38.7 (9.5) |
Height (cm, mean(SD)) | 174.9 (8.8) | 176.1 (6.5) |
Body mass index | Â | Â |
   (kg/m2, mean (SD)) | 26.0 (4.8) | 27.4 (4.0) |
Educational level (%) * | Â | Â |
   Higher | 46.9 | 3.4 |
   Technical | 29.6 | 60.3 |
   Basic | 23.5 | 36.3 |
Duration of employment * | Â | Â |
   (y, mean (SD)) | 9.5 (8.8) | 16.0 (10.0) |
Family situation (%) * | Â | Â |
   Alone | 24.6 | 12.4 |
   Relatives/friends | 75.4 | 87.6 |
Manual material handling (%) * | 6.0 | 21.8 |
Strenuous shoulder/hand movements (%) * | 34.6 | 66.7 |
Strenuous (awkward) postures (%) * | 17.3 | 53.6 |
Perceived exertion (score, mean (SD)) * | 11.05 (3.65) | 14.01 (2.72) |
Psychosocial load (score, mean (SD)): | Â | Â |
   Job control | 41.24 (24.04) | 40.53 (22.25) |
   Work demands * | 44.36 (22.40) | 36.47 (21.36) |
General health | Â | Â |
   Need for recovery (score, mean (SD) | 40.55 (28.52) | 39.41 (26.85) |
   Perceived general health (score, mean (SD) * | 21.72 (21.43) | 17.38 (18.97) |
   Musculoskeletal co-morbidity (%) * | 24.1 | 16.3 |