Univariate analysis | Multivariate analysis | |||||
---|---|---|---|---|---|---|
Variable | OR 95% CI P | OR 95% CI P | ||||
Age | 0.9 | 0.9─1.0 | 0.152 | 1.0 | 0.9─1.1 | 0.524 |
Primiparae | 0.8 | 0.7─1.0 | 0.185 | 1.2 | 0.3─4.0 | 0.714 |
Residence | 0.6 | 0.3─1.4 | 0.696 | 1.1 | 0.3─3.7 | 0.785 |
Maternal education < secondary level | 0.7 | 0.2─1.8 | 0.485 | 0.9 | 0.3─2.6 | 0.850 |
lack of antenatal care | 1.3 | 0.6─2.5 | 0.242 | 1.0 | 0.3─3.4 | 0.920 |
Body mass index | 1.0 | 0.9─1.0 | 0.668 | 1.1 | 0.8─1.3 | 0.377 |
Hemoglobin | 0.3 | 0.1─0.8 | 0.016 | 0.7 | 0.4─1.1 | 0.201 |
Blood group O | 0.9 | 0.3─2.5 | 0.941 |