Table 4.
Association between pre-pregnancy body mass index status and early breastfeeding cessation at different periods.
| Crude OR | 95% CI | Adjusted OR * | 95% CI | |
|---|---|---|---|---|
| Breastfeeding cessation at 2 months postpartum | ||||
| Underweight | 1.17 | 1.09, 1.26 | 1.11 | 1.03, 1.2 |
| Normal | Reference | - | Reference | - |
| Overweight | 1.21 | 1.08, 1.34 | 1.05 | 0.94, 1.17 |
| Obese | 1.73 | 1.39, 2.15 | 1.36 | 1.09, 1.7 |
| Breastfeeding cessation at 4 months postpartum | ||||
| Underweight | 1.33 | 1.23, 1.44 | 1.32 | 1.21, 1.43 |
| Normal | Reference | - | Reference | - |
| Overweight | 1.13 | 1.01, 1.26 | 0.96 | 0.85, 1.08 |
| Obese | 1.59 | 1.24, 2.03 | 1.21 | 0.94, 1.57 |
| Breastfeeding cessation at 6 months postpartum | ||||
| Underweight | 1.31 | 1.2, 1.43 | 1.3 | 1.18, 1.42 |
| Normal | Reference | - | Reference | - |
| Overweight | 1.04 | 0.92, 1.18 | 0.87 | 0.77, 1 |
| Obese | 1.52 | 1.16, 1.99 | 1.15 | 0.87, 1.52 |
* Adjusted for maternal age, parity, maternal education, maternal immigration status, urbanicity of living area, maternal gestational diabetes, cesarean delivery, employment status at 6 months postpartum, preterm delivery, marital status, dyad separation, gestational weight gain and smoking during pregnancy.