| Variables | Categories | Frequency n = 100 | Percentage (%) |
| Age | 1 month - 2 years | 15 | 15.0 |
| 3 years - 5 years | 31 | 31.0 | |
| 6 years - 12 years | 50 | 50.0 | |
| 13 years - 15 years | 4 | 4.0 | |
| Gender | Female | 51 | 51.0 |
| Male | 49 | 49.0 | |
| Female to male ratio | 1.04 |
| |
| Origin | Home | 34 | 34.0 |
| Referred | 66 | 66.0 | |
| Residence | Popular area | 62 | 62.0 |
| Residential area | 32 | 32.0 | |
| Not specified | 6 | 0.6 | |
| Immunization | Outdated | 3 | 0.3 |
| Updated | 77 | 77.0 | |
| Not specified | 20 | 20.0 | |
| No immunization | Outdated | 20 | 20.0 |
| Updated | 2 | 2.0 | |
| Human immunodeficiency infection | 1 | 1.0 | |
| Sickle cell disease | 1 | 1.0 | |
| Haemophilia | 1 | 1.0 | |
| Others | 7 | 7.0 |