Table 2:
Proportion of e-waste workers stratified by job category engaged in work-related sitting, standing and walking activities.
| Variable | Job Category (n) | Proportion of participants | Chi-square statistic and p-value |
|
|---|---|---|---|---|
| Yes (%) | No (%) | |||
| Sitting continuously for ≥ 1 hour during a workday | Collectors (70) | 56 (80.0%) | 14 (20.0%) | χ2 = 4.487, p = 0.106, Fisher’s exact p = 0.119 |
| Dismantlers (73) | 67 (91.8%) | 6 (8.2%) | ||
| Burners (20) | 18 (90.0%) | 2 (10.0%) | ||
| Standing continuously for ≥ 1 hour during a workday | Collectors (70) | 53 (75.7%) | 17 (24.3%) | χ2 = 4.881, p = 0.087, Fisher’s exact p = 0.070 |
| Dismantlers (73) | 52 (71.2%) | 21 (28.8%) | ||
| Burners (20) | 19 (95.0%) | 1 (5.0%) | ||
| Walking continuously for ≥ 1 hour during a workday | Collectors (70) | 65 (92.9%) | 5 (7.1%) | χ2 = 7.211, p = 0.027, Fisher’s exact p = 0.018* |
| Dismantlers (73) | 57 (78.1%) | 16 (21.9%) | ||
| Burners (20) | 15 (75.0%) | 5 (25.0%) | ||
| Sitting for a total of ≥ 4 hours during a day’s work | Collectors (70) | 21 (30.0%) | 49 (70.0%) | χ2 = 40.376, p = 0.001, Fisher’s exact p = 0.001* |
| Dismantlers (73) | 60 (82.2%) | 13 (17.8%) | ||
| Burners (20) | 13 (65.0%) | 7 (35.0%) | ||
| Standing for a total of ≥ 4 hours during a day’s work | Collectors (70) | 13 (18.6%) | 57 (81.4%) | χ2 = 19.384, p = 0.001, Fisher’s exact p = 0.001* |
| Dismantlers (73) | 36 (49.3%) | 37 (50.7%) | ||
| Burners (20) | 12 (60.0%) | 8 (40.0%) | ||
| Walking for a total of ≥ 4 hours during a day’s work | Collectors (70) | 62 (88.6%) | 8 (11.4%) | χ2 = 19.961, p = 0.001, Fisher’s exact p = 0.001* |
| Dismantlers (73) | 40 (54.8%) | 33 (45.2%) | ||
| Burners (20) | 13 (65.0%) | 7 (35.0%) | ||
*
indicates significant main effects at p < 0.05