Table 2.

Longitudinal and multivariable models of infant WLZ trajectory, fat-free mass gain and fat mass gain

2 A. Longitudinal model of infant weight for length Z-score (WLZ) trajectory
Parameter	Estimate	SE	P
Intercept	−0.1725	0.2724	0.530
Time	0.001	0.001	0.278
Maternal BMI group (0 = NW)	−0.316	0.307	0.306
HM insulin differences between individuals	−0.042	0.019	0.028
HM insulin differences within individuals	0.003	0.003	0.237
HM insulin differences between individuals × BMI group	0.045	0.019	0.019
2 B. Multivariable model of fat-free mass deposition (g/day; by PEAPOD)
Parameter	Estimate	SE	P
Intercept	24.4	2.3	<.0001
Infant sex (0 = male)	−2.355	0.810	0.007
Maternal BMI group (0 = NW)	−10.27	3.10	0.002
Birth SF %fat	−0.192	0.212	0.373
Birth SF %fat × maternal BMI group	1.226	0.351	0.001
HM glucose concentration	−0.265	0.069	0.001
HM ghrelin concentration	−0.003	0.001	0.021
2 C. Multivariable model of fat mass deposition (g/day; by PEAPOD)
Parameter	Estimate	SE	P
Intercept	85.3	19.3	0.0002
Gestational age at delivery	−1.97	0.49	0.0003
Total breastfeeding exposure (0 = exclusive)	1.83	0.055	0.002
Average HM n-6:n-3 ratio	1.29	0.33	0.0005
Average HM protein	−5.63	1.65	0.002
Average HM adiponectin	−0.11	0.05	0.027
Quintile of average HM insulin1	N/A		0.010
Insulin quintile 2−1	0.293	1.18	0.806
Insulin quintile 3−2	−1.43	1.17	0.228
Insulin quintile 4−3	4.40	1.28	0.002
Insulin quintile 5−4	−4.90	1.41	0.002

¹Bimodal distribution.