Anatomical distribution of musculoskeletal complaints among the study groups in the past 12 months
| MSW collectors | Comparison group | Test of significance | |
|---|---|---|---|
| n=120 | n=110 | ||
| n (%) | n (%) | ||
| No complaint | 47 (39.2) | 62 (56.4) | χ2=6.8, p≤0.01 |
| One or more complaints | 73 (60.8) | 48 (43.6) | |
| Neck | 9 (7.5) | 2 (1.8) | χ2=4.1, p≤0.05 |
| Shoulders | 19 (15.8) | 9 (8.2) | χ2=3.1, p>0.05 |
| Elbow | 7 (5.8) | 5 (4.5) | χ2=0.19, p>0.05 |
| Wrists/hands | 2 (1.7) | 2 (1.8) | Fisher's exact, p>0.05 |
| Upper back | 4 (3.3) | 8 (7.3) | χ2=1.8, p>0.05 |
| Low back | 27 (22.5) | 21 (19.1) | χ2=0.4, p>0.05 |
| Hips/thighs | 7 (5.8) | 0 (0.0) | Fisher's exact, p≤0.01 |
| Knee | 8 (6.7) | 5 (4.5) | χ2=0.5, p>0.05 |
| Ankles/feet | 4 (3.3) | 1 (0.9) | Fisher's exact, p>0.05 |