Table 5.
Odds ratio for pregnancy outcomes by prepregnancy BMI categories.
| Pregnancy outcomes | Underweight (n = 154) | Normal (n = 1049) | Overweight (n = 238) | Obese (n = 105) |
|---|---|---|---|---|
| Gestational diabetesa | 0.783 (0.495-1.240) | Ref | 0.993 (0.699-1.410) | 2.649 (1.701-4.126)∗∗∗ |
| PPROMb | 1.864 (1.269-2.737)∗∗ | Ref | 0.850 (0.577-1.250) | 1.090 (0.630-1.889) |
| Anemiac | 1.218 (0.788-1.884) | Ref | 0.971 (0.662-1.424) | 0.300 (0.128-0.704)∗∗ |
| Postpartum hemorrhaged | 0.728 (0.338-1.565) | Ref | 1.460 (0.876-2.432) | 1.468 (0.684-3.152) |
| Preeclampsiae | 0.368 (0.049-2.781) | Ref | 1.319 (0.512-3.394) | 3.654 (1.420-9.404)∗∗ |
Note: amodel adjusted for age, conception method, the number of pregnancies, anemia, and preeclampsia. bModel adjusted for age, conception method, the number of pregnancies, gestational diabetes, anemia, and preeclampsia. cModel adjusted for age, conception method, the number of pregnancies, gestational diabetes, and preeclampsia. dModel adjusted for age, conception method, the number of pregnancies, gestational diabetes, anemia, PPROM, and preeclampsia. eModel adjusted for age, conception method, the number of pregnancies, gestational diabetes, and anemia. Abbreviations: BMI: body mass index; PPROM: preterm premature rupture of membranes.