Pre-pregnancy BMI (kg/m2) | Mean GWG (kg/week) | Test valuea | MD (kg/week) | P value (95% CI) |
---|---|---|---|---|
Underweight (< 18.5) | 0.32 | 0.51 | −0.19 | < 0.001 (−0.22, −0.15) |
Normal weight (18.5–24.9) | 0.30 | 0.42 | −0.12 | < 0.001 (− 0.13, − 0.11) |
Overweight (25.0–29.9) | 0.28 | 0.28 | 0.00 | 0.869 (− 0.04, 0.05) |
Obese (≥ 30.0) | None | 0.22 | None | None |