ArticleJournal of the American Geriatrics Society2026
Variation in One-Year Mortality Following Severe Weather Exposure Among Older Americans by Chronic Health Condition and Sociodemographic Status.
Article in Journal of the American Geriatrics Society, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Variation in One-Year Mortality Following Severe Weather Exposure Among Older Americans by Chronic Health Condition and Sociodemographic Status.Journal of the American Geriatrics Society · 2026Article
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Authors and funding
9 authors.
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Abstract
backgroundWhile the immediate effect of exposure to severe weather from hurricanes on mortality is well documented, it is unknown whether mortality in the year following exposure to severe weather differs across older Americans with specific vulnerable characteristics. This paper sought to determine whether the association between exposure to high rain and one-year mortality differs across vulnerable subgroups of older adults.
methodsThis retrospective cohort study used Medicare claims data from fee-for-service beneficiaries aged ≥ 65 in Texas and Louisiana in the year before and after Hurricane Harvey. Historical weather data was used to construct a 4-day measure of cumulative rainfall, the primary severe weather caused by Hurricane Harvey. We identified vulnerable subgroups based on five chronic health conditions requiring regular healthcare access, and sociodemographic factors (e.g., ≥ 85 years, dual eligibility). Cox proportional hazards regression was used to adjust for covariates when estimating the association between high rain exposure and mortality up to 1 year after exposure.
resultsIn adjusted models, high rain exposure was significantly associated with greater mortality risk (HR 1.03, 95% CI 1.01-1.05). Among those with chronic health conditions including Alzheimer's disease and related dementias (ADRD) (HR 1.05 [95% CI 1.03, 1.08]), diabetes (HR 1.04 [1.02, 1.07]), and chronic kidney disease (HR 1.04 [1.01, 1.06]) exposed to high rain versus those unexposed to high rain, associations with high rain were found. Higher mortality was also observed among Non-Hispanic Black (HR 1.06 [95% CI 1.01, 1.11]) and Hispanic and Latino populations (HR 1.13 [95% CI 1.08, 1.19]).
conclusionExposure to high rain from Hurricane Harvey was associated with higher one-year mortality that varied across vulnerable groups. The largest associations were observed among older adults with health conditions that require regular healthcare (e.g., CKD, ADRD) and minoritized racial and ethnic groups.
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