Table 1

Prevalence of shoulder pain at baseline, and incidence

MenWomen
n*Prevalence at baseline, %Without shoulder disorder at baselineIncident cases (incidence, %)n*Prevalence at baseline, %Without shoulder disorder at baselineIncident cases (incidence, %)
*Number of subjects at baseline (1993–94).
†All the cashiers were women.
Age
⩽2959343913 (33)5831408 (20)
30–3972324913 (27)153497818 (23)
40–493746205 (25)166518116 (20)
⩾50106041 (25)4365152 (13)
Sector
Assembly line2433165 (31)2235111025 (23)
Clothing113673 (43)5237333 (9)
Food123397522 (29)2050102 (20)
Packaging2030142 (14)83424812 (25)
Cashiers4269132 (15)
Entire sample 1783711232 (29)4204921444 (21)