Table 3.
Odds ratios (OR) and 95% confidence intervals (95% CI) for childhood overweight or obesity according to maternal pre-pregnancy BMI status and delivery mode, modeled independently and jointly.
| Pre-pregnancy BMI | Cesarean section | n | Cases (%) | Crude | Adjusteda | ||
|---|---|---|---|---|---|---|---|
|
|
|
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| OR (95%CI) | p | OR (95%CI) | p | ||||
|
|
|||||||
| Normal (18.5–25 kg/m2) | No | 506 | 161 (31.8) | 1.0 (Ref.) | Ref. | 1.0 (Ref.) | Ref. |
| Normal (18.5–25 kg/m2) | Yes | 177 | 63 (35.6) | 1.2 (0.8–1.7) | 0.357 | 1.1 (0.8–1.7) | 0.459 |
| Overweight (25.0–30 kg/m2) | No | 251 | 113 (45.0) | 1.8 (1.3–2.4) | <0.001 | 1.7 (1.2–2.3) | 0.001 |
| Overweight (25.0–30 kg/m2) | Yes | 145 | 75 (51.7) | 2.3 (1.6–3.3) | <0.001 | 2.2 (1.5–3.2) | <0.001 |
| Obesity (≥30 kg/m2) | No | 204 | 96 (47.1) | 1.9 (1.4–2.7) | <0.001 | 1.8 (1.3–2.6) | <0.001 |
| Obesity (≥30 kg/m2) | Yes | 158 | 93 (58.9) | 3.1 (2.1–4.4) | <0.001 | 2.8 (1.9–4.1) | <0.001 |
| Interaction | 0.549 | 0.569 | |||||
a
Adjusted for maternal age at delivery, maternal race/ethnicity, and maternal education.