Birth weight, infant mortality, and race: Twin comparisons and genetic/environmental inputs

Genetic and environmental inputs may shape population health disparities in varying ways. In this article, we use unique variation involved in twin births to attempt to untangle how genetic and prenatal environmental variation may make different contributions to infant health among white and black p...

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Veröffentlicht in:Social science & medicine (1982) 2012-12, Vol.75 (12), p.2446-2454
Hauptverfasser: Conley, Dalton, Strully, Kate W.
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description Genetic and environmental inputs may shape population health disparities in varying ways. In this article, we use unique variation involved in twin births to attempt to untangle how genetic and prenatal environmental variation may make different contributions to infant health among white and black populations in the United States. Using twin fixed effects models and data from the 1995–1997 Matched Multiple Birth Dataset we compare birth weight–mortality associations across twin sex composition, zygosity, and race. Findings reveal suggestive differences between fraternal and imputed identical twin estimates for white and black twin pairs. ► This study examines how genes and environment may shape race differences in birth weight and infant mortality. ► Twin estimates suggest that prenatal environment partially accounts for birth weight–mortality associations. ► Race differences in estimates highlight the need for further research into gene–environment interactions in health disparities.
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source MEDLINE; Elsevier ScienceDirect Journals; Sociological Abstracts
subjects African Americans
Biological and medical sciences
Birth rate
Birth weight
Birth Weight - genetics
Black White Relations
Blacks
Childrens health
Databases, Factual
Environment. Living conditions
Epidemiology
European Continental Ancestry Group
Female
General aspects
Genetics
Gene–environment interactions
Health
Health inequality
Health Status Disparities
Humans
Inequality
Infant
Infant Mortality
Infant, Newborn
Infants
Male
Medical sciences
Miscellaneous
Population statistics
Prenatal Care
Public health. Hygiene
Public health. Hygiene-occupational medicine
Race
Racial Differences
Social environment
Twin Studies as Topic
Twins
U.S.A
United States - epidemiology
Whites
title Birth weight, infant mortality, and race: Twin comparisons and genetic/environmental inputs
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