BMC Pregnancy and Childbirth

Table 2 Univariable and Multivariable Linear regression for comparison of WAZ and LAZ between HEU and HU infants

From: Lower birth weight-for-age and length-for-age z-scores in infants with in-utero HIV and ART exposure: a prospective study in Cape Town, South Africa

Anthropometric measure			Univariable		Multivariable
Anthropometric measure	Predictor	N	β (95% CI)	P-value	β (95% CI)	P-value
Weight for age Z-score (WAZ)	HU	457	Ref		Ref
Weight for age Z-score (WAZ)	HEU	431	−0.15 (−0.28; − 0.02)	0.02	− 0.14 (− 0.28; − 0.01)	0.04
Length for age Z-score (LAZ)	HU	420	Ref
Length for age Z-score (LAZ)	HEU	400	−0.20 (− 0.42; − 0.01)	0.04	− 0.18 (− 0.41; + 0.04)	0.11

Adjusted for maternal age, gravidity, alcohol use, marital and employment status,
HEU HIV-exposed uninfected, HU HIV-unexposed
β: mean change in z-score between HEU and HU, CI Confidence interval, N Number of participants

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