Table 3.
Bivariate and multivariate logistic regression model for host- and pregnancy-related risk factor.
| Host- and pregnancy-related characteristics | Bivariate analysis | Multivariate analysis | ||
|---|---|---|---|---|
| Unadjusted OR (95% CI) | p value | Adjusted OR (95% CI) | p value | |
| Age | ||||
| ≤30 | Ref | |||
| >30 | 2.02 (0.76-5.37) | 0.157 | ||
| Education level | ||||
| Up to lower primary | 1.24 (0.59-2.59) | 0.565 | ||
| Secondary | 0.86 (0.40-1.88) | 0.722 | ||
| Graduate or above | Ref | |||
| BMI | ||||
| Normal | Ref | |||
| Overweight | 3.44 (1.61-7.36) | 0.001∗ | 4.11 (1.74-9.71) | 0.001∗ |
| Obesity | 15.22 (4.90-47.29) | <0.001∗ | 15.72 (4.60-53.67) | <0.001 |
| Parity | ||||
| Primi | Ref | |||
| Multi | 0.53 (0.27-1.04) | 0.066 | ||
| ANC visits | ||||
| ≤4 times | Ref | |||
| >4 times | 1.94 (0.93-4.05) | 0.074 | ||
| Previous CS | ||||
| Yes | 0.38 (0.14-0.99) | 0.048∗ | 0.599 (0.21-1.70) | 0.337 |
| No | Ref | |||
| Medical complication | ||||
| None | Ref | Ref | ||
| DM/HTN | 5.62 (2.19-14.37) | <0.001∗ | 4.75 (1.69-13.32) | 0.003∗ |
| Others | 7.15 (2.48-20.60) | <0.001∗ | 9.38 (2.89-30.46) | 0.001∗ |
∗Denotes statistically significant at p < 0.05.