[Explaining racial disparities in infant health in Brazil]

Kwame A Nyarko1, Jorge López-Camelo2, Eduardo E Castilla2

  • 1Departamento de Gestión y Políticas de Salud, Universidad de Iowa en la ciudad de Iowa, Iowa, Estados Unidos de América, george-wehby@uiowa.edu.

Insights

Racial disparities in low birth weight and preterm birth in Brazil are significantly influenced by differences in prenatal care and geographic location. These factors, along with socioeconomic status, explain a substantial portion of these health inequities.

Area of Science:

  • Public Health
  • Epidemiology
  • Health Disparities

Background:

  • Racial disparities in infant health outcomes, specifically low birth weight (LBW) and preterm birth (PTB), are a significant concern in Brazil.
  • Understanding the multifactorial nature of these disparities is crucial for developing effective public health interventions.

Purpose of the Study:

  • To quantify the extent to which socioeconomic, health care, demographic, and geographic factors contribute to racial disparities in LBW and PTB rates in Brazil.
  • To identify the primary drivers of these disparities between infants of African ancestry and European ancestry.

Main Methods:

  • Analysis of a large sample of 8,949 infants born in Brazil between 1995 and 2009 across 15 cities and 7 provinces.
  • Utilized a decomposition model to assess the contribution of various factors to disparities in LBW (< 2,500 g) and PTB (< 37 weeks).
  • Compared infants of African ancestry (alone or mixed) with infants of European ancestry.

Main Results:

  • The model explained a significant portion of the disparities, ranging from 45% to 94% for LBW and 64% to 94% for PTB.
  • Differences in prenatal care utilization and geographic location were identified as the most influential factors.
  • Socioeconomic differences also played a notable role, with varying contributions for mixed and solely African ancestry groups.

Conclusions:

  • Public health policies aimed at reducing infant health disparities in Brazil should prioritize interventions addressing disparities in prenatal care and geographic access.
  • Targeting these key areas can help mitigate the significant health inequities observed between infants of African and European ancestries.
Abstract

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