The 12 month prevalence of low back pain and upper extremity co-morbidity among blue collar workers
| n | % | |
|---|---|---|
| *p<0.05, χ2 test for the presence of low back pain and presence of upper extremity complaints in all subjects. | ||
| All workers (n = 505) | ||
| Low back pain | 252 | 49.9 |
| Upper extremity complaints | 277 | 54.9 |
| Neck pain | 137 | 27.1 |
| Shoulder pain | 158 | 31.3 |
| Elbow, and/or wrist, hand pain | 112 | 22.2 |
| Workers with low back complaints (n = 252) | ||
| Low back pain and upper extremity complaints* | 170 | 67.5 |
| Low back pain and neck pain* | 92 | 36.5 |
| Low back pain and shoulder pain* | 100 | 39.7 |
| Low back pain and elbow and/or wrist, hand pain* | 68 | 27.0 |