Table 3.
Adjusted odds ratios and 95% confidence intervals for the final logistic regression model.
Factors | B | AdjOR (95% CI) | PPr. of LBW | S. E. |
Nationality | ||||
Afghan refugee | 0.970 | 2.64 (1.39, 5.01) ** | 0.17 | 0.032 |
Local (Ref.) | - | - | 0.09 | 0.009 |
Consanguinity | ||||
Consanguineous | 0.871 | 2.39 (1.39, 4.12)** | 0.12 | 0.012 |
Non-consanguineous (Ref.) | - | - | 0.06 | 0.012 |
Maternal age | ||||
<20 years | 2.122 | 8.35 (4.36, 15.98) ** | 0.32 | 0.048 |
>34 years | 0.099 | 1.11(0.58, 2.11) | 0.08 | 0.019 |
20–34 years (Ref.) | - | - | 0.08 | 0.009 |
Interactions | ||||
Area × anaemia | ||||
[Tribal area] [Anaemia (yes)] | 1.198 | 3.31(1.70, 6.50)** | 0.20 | 0.035 |
[Tribal area] [Anaemia (no)] | -0.134 | 0.88(0.40, 1.90) | 0.08 | 0.021 |
[Settled area] [Anaemia (yes)] | -0.106 | 0.90(0.49, 1.65) | 0.08 | 0.015 |
[Settled area] [Anaemia (no)] (Ref.) | - | - | 0.09 | 0.013 |
Gestation × Abortion/miscarriage | ||||
[Preterm] [Abortion/miscarriage (yes)] | 2.399 | 11.01(5.00, 24.23)** | 0.25 | 0.052 |
[Preterm] [Abortion/miscarriage (no)] | 2.350 | 10.49(5.73, 19.20)** | 0.25 | 0.032 |
[Full term] [Abortion/miscarriage (yes)] | 1.209 | 3.35(1.66, 6.77)** | 0.11 | 0.023 |
[Full term] [Abortion/miscarriage (no)] (Ref.) | - | 0.04 | 0.008 | |
Intercept | -4.530** |
**p < 0.01, *p < 0.05, Ref. (Reference Category), AdjOR (Adjusted Odds Ratios), C.I (Confidence Interval), PPr. (the predicted probability of LBW from the model, or prediction for the probability of LBW in future), and S.E. (Standard Error of the predicted probability).