Table 2.
The association between prepregnancy BMI and pregnancy outcomes, unadjusted logistic regression model.
| Pregnancy outcomes | Unadjusted logistic regression model | |||
|---|---|---|---|---|
| Underweight (n = 154) | Normal (n = 1049) | Overweight (n = 238) | Obese (n = 105) | |
| Gestational diabetes | 0.679 (0.432-1.067) | Ref | 1.003 (0.715-1.407) | 2.838 (1.881-4.282)∗∗∗ |
| PPROM | 1.757 (1.210-2.549)∗∗ | Ref | 0.807 (0.559-1.167) | 0.857 (0.510-1.440) |
| Anemia | 1.225 (0.800-1.875) | Ref | 0.982 (0.674-1.430) | 0.347 (0.159-0.760)∗∗ |
| Postpartum hemorrhage | 0.784 (0.384-1.597) | Ref | 1.548 (0.969-2.474) | 1.329 (0.665-2.654) |
| Preeclampsia | 0.354 (0.047-2.666) | Ref | 1.402 (0.554-3.549) | 4.472 (1.908-10.483)∗∗ |
Note: prepregnancy BMI groups were defined underweight < 18.5 kg/m2, normal 18.5-23.9 kg/m2, overweight 24-27.9 kg/m2, and obese ≥ 28 kg/m2. ∗P < 0.05, ∗∗P < 0.01, and ∗∗∗P < 0.001. Abbreviations: BMI: body mass index; PPROM: preterm premature rupture of membranes.