Prevalence (95% confidence intervals) of musculoskeletal symptoms in other body parts
| Self reported symptoms | Controls, no symptoms (n = 197) | Controls, light symptoms (n = 182) | Controls, severe symptoms (n = 78) | Cases (n = 79) |
|---|---|---|---|---|
| At baseline (1989) | ||||
| Upper back | 5.1 (2.0:8.1) | 23.1 (17.0:29.2) | 43.6 (32.6:54.6) | 54.4 (43.4:65.4) |
| Lower back | 35.0 (28.4:41.7) | 55.5 (48.3:62.7) | 62.8 (52.1:73.5) | 59.5 (48.7:70.3) |
| Legs | 32.0 (25.5:38.5) | 43.4 (36.2:50.6) | 66.7 (56.2:77.1) | 46.8 (35.8:57.8) |
| At follow up (1997) | ||||
| Upper back | 15.2 (10.2:20.2) | 33.0 (26.1:39.8) | 53.8 (42.8:64.9) | 58.2 (47.4:69.1) |
| Lower back | 36.0 (29.3:42.7) | 60.4 (53.3:67.5) | 65.4 (54.8:75.9) | 59.5 (48.7:70.3) |
| Legs | 32.5 (25.9:39.0) | 46.7 (39.5:54.0) | 64.1 (53.5:74.7) | 59.5 (48.7:70.3) |