Table 5.
Data on changes in worker performance after ergonomic interventions (n = 84).
| Variable | Condition |
Change (%) | Value | p-values | |
|---|---|---|---|---|---|
| 1st month | 10th month | ||||
| Musculoskeletal complaints | 87.45 ± 1.53 | 65.35 ± 0.95 | 25.27(a) | 31.31t | 0.000 |
| Boredom | 86.45 ± 3.71 | 64.83 ± 1.84 | 25.01(a) | -3.31z | 0.001 |
| Satisfaction | 42.82 ± 2.33 | 59.29 ± 1.11 | 38.46(b) | -11.93z | 0.000 |
Note: (a) improvement; (b) decrease; t = different test with parametric analysis; z = different test with non-parametric analysis.