Prevalence of shoulder pain at baseline, and incidence
Men | Women | |||||||
---|---|---|---|---|---|---|---|---|
n* | Prevalence at baseline, % | Without shoulder disorder at baseline | Incident cases (incidence, %) | n* | Prevalence at baseline, % | Without shoulder disorder at baseline | Incident cases (incidence, %) | |
*Number of subjects at baseline (1993–94). | ||||||||
†All the cashiers were women. | ||||||||
Age | ||||||||
⩽29 | 59 | 34 | 39 | 13 (33) | 58 | 31 | 40 | 8 (20) |
30–39 | 72 | 32 | 49 | 13 (27) | 153 | 49 | 78 | 18 (23) |
40–49 | 37 | 46 | 20 | 5 (25) | 166 | 51 | 81 | 16 (20) |
⩾50 | 10 | 60 | 4 | 1 (25) | 43 | 65 | 15 | 2 (13) |
Sector | ||||||||
Assembly line | 24 | 33 | 16 | 5 (31) | 223 | 51 | 110 | 25 (23) |
Clothing | 11 | 36 | 7 | 3 (43) | 52 | 37 | 33 | 3 (9) |
Food | 123 | 39 | 75 | 22 (29) | 20 | 50 | 10 | 2 (20) |
Packaging | 20 | 30 | 14 | 2 (14) | 83 | 42 | 48 | 12 (25) |
Cashiers | † | 42 | 69 | 13 | 2 (15) | |||
Entire sample | 178 | 37 | 112 | 32 (29) | 420 | 49 | 214 | 44 (21) |