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Sudden infant death and social justice: A syndemics approach

Melissa Bartick1, Cecília Tomori2

  • 1Department of Medicine, Cambridge Health Alliance and Harvard Medical School, Cambridge, Massachusetts.

Maternal & Child Nutrition
|August 24, 2018
PubMed

Insights

Sudden unexpected infant death (SUID) and sudden infant death syndrome (SIDS) are linked to poverty and discrimination, not just sleep practices. Addressing social inequities is crucial for reducing infant mortality rates globally.

Area of Science:

  • Public Health
  • Epidemiology
  • Sociology

Background:

  • Sudden unexpected infant death (SUID) and sudden infant death syndrome (SIDS) prevention has historically focused on individual behavioral risk factors, particularly bedsharing.
  • These infant deaths disproportionately affect marginalized populations in wealthy nations, including specific racial and ethnic minority groups and low-income communities.
  • The United States exhibits the highest prevalence of SUID/SIDS globally, with even White populations showing high rates.

Purpose of the Study:

  • To examine SUID/SIDS prevalence and associated risk factors across diverse global populations.
  • To investigate the clustering of risk factors within high-prevalence populations and their link to socioeconomic determinants.
  • To apply syndemics theory to understand the synergistic impact of co-occurring epidemics on SUID/SIDS rates.

Main Methods:

  • Analysis of public databases and existing literature on SUID/SIDS prevalence.
  • Examination of risk factors including maternal smoking, preterm birth, alcohol use, prenatal care, sleep position, bedsharing, and formula feeding.
  • Comparative analysis of SUID/SIDS rates and risk factor prevalence in selected international populations.

Main Results:

  • Risk factors for SUID/SIDS often cluster in high-prevalence populations and are frequently associated with poverty and discrimination.
  • Populations with the lowest SUID/SIDS rates often have low income inequality or high relative wealth, despite moderate to high rates of bedsharing.
  • Socially driven, co-occurring epidemics appear to act synergistically, amplifying SUID/SIDS risk.

Conclusions:

  • High SUID/SIDS prevalence is primarily driven by socially determined, synergistic epidemics linked to structural inequity and historical trauma.
  • Overemphasis on bedsharing may distract from critical structural interventions like improving prenatal care, supporting breastfeeding, and tobacco cessation.
  • Medical organizations should advocate for policies addressing root causes of infant mortality, including poverty, discrimination, and providing culturally sensitive family support.

Keywords:
SIDSSUIDbreastfeedinginfant mortalityinfant sleeptobacco

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