Table III.

Linear regression analysis of associations of central SBP and augmentation index in all children. Forward stepwise linear regression used for multivariable models

Variables	Central SBP			Augmentation index
	Univariable analyses			Univariable analyses
	Beta	Standard Error	Significance	Beta	Standard Error	Significance
Gestational age (weeks)	−0.32	0.13	0.012∗	−0.12	0.09	0.18
Birthweight (z-score)	−0.46	0.55	0.41	−0.50	0.37	0.18
Height (z-score)	0.30	0.62	0.63	−0.40	0.42	0.34
Body mass index (z-score)	0.92	0.51	0.07	1.24	0.34	<0.001‡
FMI	0.70	0.29	0.015∗	0.73	0.19	<0.001‡
Fat Free Mass Index	0.65	0.43	0.42	0.93	0.29	0.001†
Sex (ref = Male)	3.65	1.26	0.004†	0.44	0.87	0.61
Fetal growth restriction (ref = No)	4.27	1.96	0.029∗	4.28	1.31	0.001†
Antenatal smoking (ref = No)	5.82	2.34	0.013∗	0.83	1.61	0.60

	Multivariable analysis of central SBP
	Beta	Standard Error	Significance
Gestational age	−0.26	0.12	0.037∗
Sex (ref = Male)	3.53	1.24	0.005†
Antenatal smoking (ref = No)	5.19	2.31	0.025∗

	Multivariable analysis of augmentation Index
	Beta	Standard Error	Significance
Fat mass index	0.73	0.18	<0.001‡
Fetal growth restriction (ref = No)	4.29	1.26	0.001†

^∗P < .05.

^†P < .01.

^‡P < .00.