| Variables | Frequency n = 57 | Percentage (%) |
| Nose | 2 | 3.5 |
| Eyes | 6 | 10.5 |
| All orifice | 14 | 24.6 |
| Mouth | 15 | 26.3 |
| None | 20 | 35.1 |
| Total | 57 | 100 |