| Variable | Prevalence (%) | p-value |
| Age categories |
| 0.593 |
| ≤20 | 1.9 |
|
| >20 | 1 |
|
| Health centers |
| 0.749 |
| BHC III | 2.3 |
|
| KHC III | 1.6 |
|
| MMCHC IV | 1 |
|
| NHC III | 0 |
|
| HIV status |
| 0.582 |
| positive | 0 |
|
| Negative | 1.3 |
|