Variable | Estimated effect on birthweight (g) (95% CI) | p Value |
---|---|---|
Gestation (weeks) | 127 (101 to 153) | <0.001 |
BMI (kg/m2) | 21 (19 to 36) | <0.001 |
Gravidity | 48 (32 to 65) | <0.001 |
Number of antenatal clinic visits | 33 (21 to 45) | <0.001 |
Maternal height (cm) | 10 (5 to 16) | <0.001 |
Male infant | 84 (27 to 141) | 0.004 |
Smoking | −120 (−218 to −22) | 0.016 |
The estimated effect on birthweight is the change in birthweight (g) for the presence of a categorical predictor variable or a unit increase in a continuous variable.