| Survey Parameters | Workers at the Schools | Workers at the Hospitals | ||
| No. of Questionnaires | Percentage | No. of Questionnaires | Percentage | |
| Total copies of questionnaires distributed | 150 | 100% | 150 | 100% |
| Unreturned copies of questionnaires | 20 | 13.33% | 36 | 24.00% |
| Incomplete copies of questionnaires | 19 | 12.67% | 12 | 8.00% |
| Completed and usable questionnaires | 111 | 74.00% | 102 | 68.00% |