| Knowledge scale | Frequency | Percent | Valid Percent | Cumulative percent |
| Yes | 32 | 88.88 | 88.88 | 88.88 |
| No | 3 | 8.33 | 8.33 | 97.21 |
| If no, give reason | 1 | 2.77 | 2.77 | 100 |
| Total |
| 100 | 100 |
|