| Variables | n | % |
| Pain in the Chest | ||
| Yes | 151 | 41.1 |
| No | 216 | 58.9 |
| Blocked Chest | ||
| Yes | 135 | 36.8 |
| No | 232 | 63.2 |
| Pain in the Lungs | ||
| Yes | 48 | 13.1 |
| No | 319 | 86.9 |
| Sneezing and Coughing | ||
| Yes | 317 | 86.4 |
| No | 50 | 13.6 |
| Asthma | ||
| Yes | 34 | 9.3 |
| No | 333 | 90.7 |
| Pneumonia | ||
| Yes | 23 | 6.3 |
| No | 344 | 93.7 |
| Allergic Reaction to Dust | ||
| Yes | 67 | 18.3 |
| No | 300 | 81.7 |
| Medical Examinations before Joining EPZA Factory | ||
| Yes | 96 | 26.2 |
| No | 271 | 73.8 |
| Specific Medical Examination | ||
| Clinical Examination | 84 | 100.0 |
| None Response | 283 | |
| Medical Examination While Working in the Factory | ||
| Yes | 114 | 33.9 |
| No | 222 | 66.1 |
| None Response | 31 | |
| Specific Medical Examination While Working in the Country | ||
| Clinical Examination | 35 | 30.7 |
| Lung Function Test | 60 | 52.6 |
| Audiometric Test | 19 | 16.7 |
| None Response | 253 | |
| Frequency of Lung Function Test | ||
| Bi-annually | 34 | 43.0 |
| Annually | 45 | 57.0 |
| None Response | 288 | |