Table 5.

Regression analysis of principal component (PC) scores from neonatal anthropometry on parental anthropometry and potential confounding variables

Principal Component	Model term	Standardized coefficient (β)	P
PC1: head and trunk skeletal size	(Constant)		<0.001
	Male sex	0.21	<0.001
	Gestation	0.31	<0.001
	Mother smoked	−0.18	<0.001
	Maternal education
	Complete high school	0.06	0.08
	Post-high school	0.08	0.01
	Maternal heighta	0.15	<0.001
	Maternal BMI	0.09	<0.001
PC2: adiposity	(Constant)		<0.001
	Male sex	−0.16	<0.001
	Gestation	0.07	0.009
	Multiparous	0.10	<0.001
	Maternal BMI	0.15	<0.001
PC3: limb lengths	(Constant)		<0.001
	Male sex	0.109	<0.001
	Gestation	0.165	<0.001
	Mother smoked	−0.07	0.02
	Paternal height	0.143	<0.001
	Paternal BMI	0.085	0.004

^aParental height and BMI are log values.