TABLE 6.

Multivariable regression model for predicting rapid weight gain (upward weight-for-age percentile crossing) by infants and toddlers from protein and added sugar in milk-based sources¹

Effect	β	t	P	f  2
Child
Sex	0.051	0.356	0.722	0.001
Age, mo	0.012	0.203	0.840	0.000
Gestational age, wk	−0.130	−2.28	0.024	0.044
Maternal
Pre-pregnancy BMI, kg/m²	0.018	1.758	0.081	0.024
Education level, y	−0.023	−0.646	0.519	0.005
Dietary intakes
Introduction of solid foods, mo	−0.056	−0.749	0.455	0.005
Total energy, kcal/d	0.000	0.792	0.430	0.005
Milk-based protein, kcal/d	−0.002	−0.327	0.744	0.001
Milk-based added sugars, kcal/d	0.004	1.77	0.080	0.024

¹Weight-for-age percentile crossing was calculated according to the WHO's growth charts (29).