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Neighborhood-level socioeconomic position and mortality among children born with critical congenital heart defects
Journal article   Peer reviewed

Neighborhood-level socioeconomic position and mortality among children born with critical congenital heart defects

Sanjida J Mowla, Chantel L Martin, Jeanette A Stingone, Thomas J Luben, Nina E Forestieri, Matthew E Oster, Elizabeth C Ailes, Shannon Pruitt Evans, Sarah C Fisher, Paul A Romitti, …
American journal of epidemiology
04/17/2026
DOI: 10.1093/aje/kwag078
PMID: 41995389

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Abstract

We examined the role of nSEP on 1-year and 5-year survival among children with critical congenital heart defects (CCHDs). Children with CCHDs in the National Birth Defects Prevention Study (1999-2011) were grouped into univentricular and biventricular defects and linked to vital records for 1-year and 5-year mortality. The Neighborhood Deprivation Index (NDI) classified census-tract nSEP (low [referent], moderate, high deprivation) using maternal periconceptional address. Kaplan-Meier survival curves and log-rank tests evaluated survival differences. Cox proportional hazards regression models estimated crude and adjusted hazard ratios (HRs) and 95% confidence intervals, adjusting for birth years, maternal sociodemographic factors, and residential mobility. Among 2459 children with CCHDs, 1-year survival curves differed by neighborhood deprivation. Survival was lowest among children of mothers living in high vs. low deprivation neighborhoods. In crude analyses, high deprivation was associated with higher 1-year mortality (all CCHDs: 1.58 [1.17, 2.13]; univentricular CCHDs: 1.50 [0.99, 2.26]; biventricular CCHDs: 1.64 [1.02, 2.64]). After adjustment, estimates were generally attenuated and less precise. Five-year survival showed similar trends. Further research could inform strategies to address the structural, environmental, and/or physiological factors associated with a potential reduced survival among children with CCHDs born to mothers in socioeconomically deprived areas.
survival analysis disparity early childhood mortality deprivation CCHD severity socioeconomic neighborhood critical congenital heart defects infant mortality

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