Variable | Null model | Model II AOR (95% CI) | Model III AOR (95% CI) | Model IV AOR (95% CI) |
---|---|---|---|---|
Age | ||||
15–19 | 1 | 1 | ||
20–24 | 1.13 (0.41, 3.14) | 1.16 (0.42, 3.21) | ||
25–29 | 1.17 (0.40, 3.36) | 1.21 (0.42, 3.52 | ||
30–34 | 0.71 (0.23, 2.23) | 0.75 (0.24, 2.34 | ||
35–39 | 1.33 (0.43, 4.05) | 1.37 (0.45, 4.22) | ||
40–44 | 1.94 (0.60, 6.30) | 2.00 (0.62, 6.54) | ||
45–49 | 3.45 (0.96, 12.43) | 3.54 (0.98, 12.78) | ||
Residence | ||||
Urban | 1 | 1 | ||
Rural | 1.84 (1.26, 2.67) | 1.31 (0.68, 2.52) | ||
Husband’s educational status | ||||
No education | 2.54 (1.25, 5.14) | 2.31 (1.10, 4.83)* | ||
Primary | 3.10 (1.54, 6.25) | 2.85 (1.38, 5.90)** | ||
Secondary and above | 1 | 1 | ||
Child sex | ||||
Male | 1 | 1 | ||
Female | 0.57 (0.39, 0.83) | 0.57 (0.39, 0.83)** | ||
Child is twin | ||||
No | 1 | 1 | ||
Yes | 13.63 (7.15, 26.00) | 13.62 (7.14, 25.99)*** | ||
Duration of pregnancy | ||||
Term | 1 | 1 | ||
Pre term | 14.61 (87.60, 28.07) | 15.07 (7.80, 29.12)*** | ||
Preceding birth interval | ||||
Not applicable (single birth) | 1.42 (0.76, 2.67) | 1.46 (0.77, 2.75) | ||
< 2 years | 1.51 (0.96, 2.37) | 1.50 (0.96, 2.36) | ||
≥ 2 years | 1 | 1 | ||
Number of TT injections during pregnancy (n = 7193) | ||||
No or one injection | 1.01 (0.64, 1.59) | 1.00 (0.64, 1.59) | ||
≥ 2 injections | 1 | 1 | ||
Number of ANC visit during pregnancy (n = 7193) | ||||
No visit | 2.00 (1.18, 3.38) | 1.90 (1.11, 3.25)* | ||
1–3 visit | 0.95 (0.56, 1.62) | 0.92 (0.53, 1.57) | ||
≥ 4 visit | 1 | 1 | ||
Intercept | 0.025 (0.022, 0.030) | 0.004 (0.0019, 0.0090) | 0.015 (0.011, 0.022) | 0.004 (0.002, 0.008) |
Log-likelihood | − 1428.86 | − 584.26 | − 1423.19 | − 583.84 |
Deviance | 2857.72 | 1168.52 | 2846.38 | 1167.68 |