Linear regression analysis of infant’s birth weight by maternal and child characteristics
| Variable (Ref) | Coefficient | P value | CI (95%) | |
| Lower | Upper | |||
| Site (Korogocho) | ||||
| Viwandani | −0.04 | 0.650 | −0.21 | 0.13 |
| Child characteristics | ||||
| Child’s sex (Female) | ||||
| Male | 0.14 | 0.872 | −1.56 | 0.18 |
| Maternal characteristics | ||||
| Maternal age (<20 years) | ||||
| 20–24 | 0.14 | 0.054 | 0.00 | 0.27 |
| 25–29 | 0.11 | 0.132 | −0.03 | 0.24 |
| ≥30 | 0.11 | 0.221 | −0.06 | 0.27 |
| Marital status (Single) | ||||
| Married/living together | 0.09 | 0.385 | −0.11 | 0.28 |
| Ethnic group (Somali) | ||||
| Kikuyu/Embu | 0.20 | 0.326 | −0.19 | 0.58 |
| Kamba | 0.20 | 0.370 | −0.24 | 0.63 |
| Kisii | 0.49 | 0.115 | −0.10 | 1.08 |
| Luhya | 0.16 | 0.457 | −0.25 | 0.56 |
| Luo | 0.31 | 0.141 | −0.10 | 0.71 |
| Taita | −0.58 | 0.201 | −1.47 | 0.31 |
| Religion (Christian) | ||||
| Muslim | −0.14 | 0.371 | −0.46 | 0.18 |
| Parity (0) | ||||
| 1–2 | 0.09 | 0.342 | −0.09 | 0.27 |
| 3–4 | 0.05 | 0.756 | −0.25 | 0.34 |
| 5+ | 0.30 | 0.173 | −0.13 | 0.73 |
| Occupation (None) | ||||
| Informal | 0.00 | 0.982 | −0.20 | 0.21 |
| Formal | 0.03 | 0.878 | −0.35 | 0.41 |
| Education (None) | ||||
| Primary school | 0.04 | 0.740 | −0.18 | 0.26 |
| Secondary school | 0.03 | 0.862 | −0.29 | 0.34 |
| College/university | −0.02 | 0.947 | −0.63 | 0.59 |
| Number of ANC visits (None) | ||||
| 1–3 | 0.17 | 0.291 | −0.15 | 0.49 |
| >3 | 0.08 | 0.623 | −0.23 | 0.39 |
| Pregnancy complications | ||||
| 1 | −0.10 | 0.371 | −0.32 | 0.12 |
| 2 | −0.06 | 0.636 | −0.28 | 0.17 |
| 3–5 | 0.09 | 0.487 | −0.17 | 0.35 |
ANC, antenatal care.