Table 1.
Variable | Univariate analysis | Multivariate analysis | ||||
---|---|---|---|---|---|---|
OR | 95% CI | P | OR | 95% CI | P | |
Age | 1.0 | 0.9–1.1 | 0.292 | 1.0 | 0.9–1.1 | 0.534 |
Primiparae | 1.1 | 0.4–2.9 | 0.185 | 1.5 | 0.4–5.0 | 0.482 |
Residence | 1.1 | 0.4–2.8 | 0.701 | 0.8 | 0.2–3.0 | 0.773 |
Maternal education < secondary level | 1.5 | 0.6–4.1 | 0.340 | 1.1 | 0.3–3.7 | 0.867 |
Lack of antenatal care | 1.6 | 0.6–4.0 | 0.309 | 1.5 | 0.3–6.6 | 0.584 |
Body mass index | 1.0 | 0.8–1.2 | 0.851 | 1.0 | 0.8–1.3 | 0.766 |
Hemoglobin | 0.8 | 0.5–1.2 | 0.329 | 0.6 | 0.4–1.0 | 0.103 |
Blood group O | 0.6 | 0.2–1.8 | 0.457 | 0.8 | 0.3–2.5 | 0.804 |