Table 3.
Work-related Factors of the Quarry workers (N = 266).
| Variables | Mean (SD) | Frequency(n) | Percentages (%) |
|---|---|---|---|
| Work Experience | 4.9 (3.00) | ||
| 1-5 | 176 | 66.2 | |
| 6-10 | 76 | 28.6 | |
| 11-15 | 11 | 4.1 | |
| 16-20 | 3 | 1.1 | |
| Working Hours | |||
| <4 | 1 | 0.4 | |
| 4-6 | 5 | 1.9 | |
| 7-9 | 257 | 96.6 | |
| 10-12 | 3 | 1.1 | |
| Duration of break time | 14.0 (11.80) | ||
| <10 min | 100 | 37.6 | |
| 10–15 min | 25 | 9.4 | |
| 20–25 min | 89 | 33.5 | |
| 30–35 min | 50 | 18.8 | |
| >35 min | 3 | 0.8 | |
| Exposure to vibration | |||
| Yes | 124 | 46.6 | |
| No | 142 | 53.4 | |
| Work Training | |||
| No | 231 | 86.8 | |
| Yes | 35 | 13.2 | |
| High temperature workplace | |||
| Yes | 251 | 94.4 | |
| No | 15 | 5.6 | |
| Repetitive work | |||
| Yes | 264 | 99.2 | |
| No | 2 | 0.8 | |
| Awkward posture | |||
| Yes | 235 | 88.3 | |
| No | 31 | 11.7 | |
| High job demands | |||
| Yes | 262 | 98.5 | |
| No | 4 | 1.5 | |
| Working with injury | |||
| Yes | 254 | 95.5 | |
| No | 12 | 4.5 | |
| Use of Personal Protective Equipment | |||
| Yes | 7 | 2.6 | |
| No | 259 | 97.4 | |
| Poor work design | |||
| Yes | 231 | 87.2 | |
| No | 34 | 12.8 | |