TABLE 3

Integer Values for Predictor Variables of Childhood Overweight at 3 Years

Risk Factorsβ CoefficientInteger Score
Gender
 BoyRef0
 Girl0.13662
Infant birth weight (quintiles)
 <2.93 kgRef0
 2.93 to <3.24 kg0.07411
 3.24 to <3.49 kg0.21143
 3.49 to <3.81 kg0.36125
 ≥3.81 kg0.48597
Infant rapid weight gain in first year
 No (≤0.67 SD ΔWFA z score)Ref0
 Yes (>0.67 SD ΔWFA z score)1.423919
Maternal prepregnancy weight status
 <18.5 kg/m2Ref0
 18.5 to <25 kg/m20.56588
 25 to <30 kg/m20.856012
 ≥30 kg/m21.090615
Paternal BMI
 <18.5 kg/m2Ref0
 18.5 to <25 kg/m20.08241
 25 to <30 kg/m20.44956
 ≥30 kg/m20.68329
Maternal smoking in pregnancy
 NoRef0
 Yes0.28844
Ever breastfed infant in first year
 No0.21993
 YesRef0
  • WFA, weight-for-age.