| Variable | Frequency (N = 400) | Percent |
| Age (days) |
|
|
| Mean ± SD | 5.10 ± 4.28 | |
| Range | 1.0 - 28.0 | |
| Sex |
|
|
| Male | 207 | 51.8 |
| Female | 193 | 48.2 |
| Birth weight (Kg) |
|
|
| Mean ± SD | 3.13 ± 0.63 | |
| Range | 1.00 - 4.70 | |
| Place of birth |
|
|
| Home | 60 | 15.0 |
| Traditional birth | 28 | 7.0 |
| Mission | 38 | 9.5 |
| Hospital | 254 | 63.5 |
| Others | 20 | 5.0 |
| Social class |
|
|
| High | 228 | 57.0 |
| Middle | 150 | 37.5 |
| Low | 22 | 5.5 |