Health disparities among older adults following tropical cyclone exposure in Florida

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Abstract
Tropical cyclones (TCs) pose a significant threat to human health, and research is needed to identify high-risk subpopulations. We investigated whether hospitalization risks from TCs in Florida (FL), United States, varied across individuals and communities. We modeled the associations between all storms in FL from 1999 to 2016 and over 3.5 million Medicare hospitalizations for respiratory (RD) and cardiovascular disease (CVD). We estimated the relative risk (RR), comparing hospitalizations during TC-periods (2 days before to 7 days after) to matched non-TC-periods. We then separately modeled the associations in relation to individual and community characteristics. TCs were associated with elevated risk of RD hospitalizations (RR: 4.37, 95% CI: 3.08, 6.19), but not CVD (RR: 1.04, 95% CI: 0.87, 1.24). There was limited evidence of modification by individual characteristics (age, sex, or Medicaid eligibility); however, risks were elevated in communities with higher poverty or lower homeownership (for CVD hospitalizations) and in denser or more urban communities (for RD hospitalizations). More research is needed to understand the potential mechanisms and causal pathways that might account for the observed differences in the association between tropical cyclones and hospitalizations across communities.
Funding Information
  • Brown | Institute at Brown for Environment and Society, Brown University (Voss Postdoctoral Fellowship)
  • U.S. Department of Health & Human Services | National Institutes of Health (R01ES028033, R01ES028033-S1, 5R01AG060232-03, 1R01ES029950)
  • U.S. Department of Health & Human Services | National Institutes of Health
  • U.S. Department of Health & Human Services | National Institutes of Health
  • U.S. Department of Health & Human Services | National Institutes of Health

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