Variables | Model I | Model II AOR (95% CI) | Model III AOR (95% CI) | Model IV AOR (95% CI) |
---|---|---|---|---|
Maternal age | ||||
 15–19 Years |  | 2.17 (1.04, 4.54) * |  | 2.16 (1.04, 4.51) * |
 20–24 Years |  | 1.06 (0.59, 1.89) |  | 1.05 (0.59, 1.86) |
 25–29 Years |  | 1.11 (1.76, 1.62) |  | 1.11 (0.76, 1.62) |
 30–34 Years |  | 0.86 (0.57, 1.31) |  | 0.87 (0.57, 1.31) |
 35–39 Years |  | 0.74 (0.45, 1.22) |  | 0.75 (0.45, 1.23) |
 40–44 Years |  | 1.21 (0.76, 1.93) |  | 1.22 (0.77, 1.94) |
 45–49 Years |  | 1 |  | 1 |
Maternal education attainment | ||||
 No education |  | 3.30 (1.29, 8.48) * |  | 3.12 (1.22, 7.94) * |
 Incomplete primary |  | 3.26 (1.28, 8.32) * |  | 3.12 (1.24, 7.87) * |
 Complete primary |  | 1.91 (0.49, 7.44) |  | 1.18 (0.46, 7.19) |
 Incomplete secondary |  | 2.10 (0.57, 7.81) |  | 2.02 (0.55, 7.43) |
 Complete secondary |  | 3.39 (0.70, 16.40) |  | 3.59 (0.74, 17.34) |
 Higher |  | 1 |  | 1 |
Wealth index | ||||
 Poorest |  | 1.16 (0.72, 1.85) |  | 1.05 (0.57, 1.93) |
 Poorer |  | 1.30 (0.84, 1.99) |  | 1.21 (0.72, 2.03) |
 Middle |  | 1.35 (0.86, 2.11) |  | 1.27 (0.74, 2.18) |
 Richer |  | 1.43 (0.89, 2.30) |  | 1.36 (0.79, 2.34) |
 Richest |  | 1 |  | 1 |
Number of babies at birth | ||||
 Singleton birth |  | 1 |  | 1 |
 Twin birth |  | 4.99 (3.31, 7.52) ** |  | 5.01 (3.32, 7.56) ** |
Sex of the child | ||||
 Male |  | 1.59 (1.31, 1.93) ** |  | 1.59 (1.31, 1.93) ** |
 Female |  | 1 |  | 1 |
Birth order | Â | 0.94 (0.99, 0.99) * | Â | 0.94 (0.89, 0.99) * |
Region | ||||
 Tigray |  |  | 1.37 (0.70, 2.66) | 1.13 (0.55, 2.31) |
 Afar |  |  | 1.25 (0.59, 2.67) | 1.03 (0.45, 2.34) |
 Amhara |  |  | 1.69 (0.98, 2.93) | 1.35 (0.71, 2.56) |
 Oromia |  |  | 1.57 (0.89, 2.79) | 1.24 (0.64, 2.39) |
 Somali |  |  | 1.64 (0.87, 3.12) | 1.39 (0.66, 2.93) |
 Benishangul |  |  | 1.95 (1.02, 3.75) * | 1.55 (0.73, 3.28) |
 SNNPR*** |  |  | 1.17 (0.65, 2.13) | 0.89 (0.46, 1.75) |
 Gambela |  |  | 2.23 (1.02, 4.88) * | 1.83 (0.78, 4.28) |
 Harari |  |  | 1.54 (0.88, 2.69) | 1.33 (0.73, 2.44) |
 Dire Dawa |  |  | 1.07 (0.57, 2.01) | 0.96 (0.49, 1.87) |
 Addis Ababa |  |  | 1 | 1 |
Place of residence | ||||
 Urban |  |  | 1 | 1 |
 Rural |  |  | 1.21 (0.91, 1.60) | 1.11 (0.77, 1.61) |
Altitude above sea level | ||||
  < 500 m |  |  | 0.62 (0.34, 1.14) | 0.64 (0.35, 1.19) |
 501–1500 m |  |  | 1.41 (1.01, 1.98) * | 1.36 (0.96, 1.93) |
 1501–2300 m |  |  | 1 | 1 |
  > 2300 m |  |  | 0.94 (0.65, 1.35) | 1.93 (0.65, 1.34) |