Table 2.
Unadjusted and adjusted lognormal models estimating the effects of child birth weight on timing of the BCG vaccination
| Model 1 | Model 2 | |||||
|---|---|---|---|---|---|---|
| Unadjusted | Adjusted | |||||
| Time ratio | 95% CI | Overall P-value | Time ratio | 95% CI | Overall P-value | |
| Child’s birth weight (ref: NBW (weight > =2500 grams)) | ||||||
| 2000-2499 grams | 1.22 | [0.98,1.51] | <0.0001 | 1.44 | [1.15,1.82] | <0.0001 |
| <2000 grams | 7.73 | [5.52,10.82] | 8.97 | [6.01,13.39] | ||
| Settlement area (ref: Korogocho) | ||||||
| Viwandani | 0.91 | [0.82,1.01] | 0.079 | |||
| Ethnic group (ref: Kikuyu) | ||||||
| Luhya | 1.16 | [1.02,1.32] | <0.0001 | |||
| Luo | 1.22 | [1.07,1.40] | ||||
| Kamba | 1.27 | [1.11,1.44] | ||||
| Others | 1.31 | [1.14,1.51] | ||||
| Mother’s level of education (incomplete primary) | ||||||
| Completed primary | 0.91 | [0.81,1.02] | 0.1773 | |||
| Secondary+ | 0.90 | [0.80,1.02] | ||||
| Pregnancy wanted ness (ref: wanted now) | ||||||
| Wanted later | 1.05 | [0.95,1.16] | 0.1492 | |||
| Not at all | 1.16 | [0.99,1.35] | ||||
| Child’s gender (ref: male) | ||||||
| Female | 0.95 | [0.87,1.03] | 0.221 | |||
| Type of facility (ref: private HF) | ||||||
| Public HF | 0.48 | [0.44,0.53] | <0.0001 | |||
| N | 3602 | 3185 | ||||
Estimates of a significance p < 0.05 are in bold writing.