| Classification | |||||
| Variable | Normal | Mild | Moderate | Severe | Total |
| Gender | |||||
| Female | 50.72% | 23.19% | 25.00% | 1.09% | 100.00% |
| Male | 51.54% | 29.23% | 17.69% | 1.54% | 100.00% |
| *X2: 3.525; **D.F.: 3; P-value: 0.318 | |||||
| Sector | |||||
| Central | 20.00% | 20.00% | 60.00% | 0.00% | 100.00% |
| East | 51.79% | 24.40% | 23.81% | 0.00% | 100.00% |
| North | 51.28% | 21.79% | 21.79% | 5.13% | 100.00% |
| West | 55.79% | 24.21% | 20.00% | 0.00% | 100.00% |
| South | 51.11% | 15.56% | 31.11% | 2.22% | 100.00% |
| *X2: 30.874; **D.F.:12; P-value: 0.002 | |||||