Birth weight of US biracial (black-white) infants: Regional differences

Anthony P. Polednak, Gary King

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

Objective. - The study examined the prevalence of low birth weight among biracial infants of black and white parents, by region of the United States. Methods. - Using the national linked live birth-death infant file for 1991, low birth weight (<2,500 g) was examined among 50,980 biracial singleton infants according to parental race (black mother-white father vs. white mother-black father). Results. - Nationally, the rate of low birth weight was 31% higher in the black mother-white father group (8.4%) than in the white mother-black father group (6.4%). The difference was smaller in the Northeast, reflecting a high rate (9.8%) for biracial infants of Puerto-Rican white mothers. The difference in the West was larger (75%), due to both a high rate in the black mother-white father group (9.1%) and a low rate for the white mother-black father group (5.2%), and persisted after controlling for parental education and a variety of maternal risk factors. Conclusions. - Further studies are needed to identify the maternal factors involved in the regional differences in the prevalence of low birth weight among biracial infants.

Original languageEnglish (US)
Pages (from-to)340-349
Number of pages10
JournalEthnicity and Disease
Volume8
Issue number3
StatePublished - Sep 1 1998

All Science Journal Classification (ASJC) codes

  • Epidemiology

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