Exposure to Heatwaves and High Depressive Symptoms among Older Adults in Mexico
Brian Downer, Joseph Saenz, Rebeca Wong, Emma Aguila, Jorge Peniche

TL;DR
Heatwaves may increase depression risk in older adults in Mexico, with home characteristics influencing this link.
Contribution
Identifies how home structural features modify the impact of heatwaves on depressive symptoms in older adults.
Findings
Experiencing more than two heatwaves increased odds of high depressive symptoms by 15%.
Single-story homes with mixed floor materials showed a stronger association between heatwaves and depression.
Multi-story homes with wood floors showed weaker associations between heatwaves and depression.
Abstract
Heatwaves can increase the risk of depressive symptoms among older adults. However, it is unknown whether this association is modified by the structural and physical characteristics of a person’s home. We used data from 8,952 participants in the Mexican Health and Aging Study who were aged 60 and older in 2018. Participants were linked to municipality-level data for daily maximum temperatures from May 1st to August 31st of each year from 1981-2018. A heatwave was defined as > 2 consecutive days with a maximum daily temperature >95th percentile of municipality-specific temperatures from 1981-2017. We created a variable for the total number of heatwaves (0, 1, >2) in summer 2018. Latent class analysis was used to define home types based on the materials for the roof, walls, floor, and the number of levels and rooms. Logistic regression models that adjusted for demographic characteristics…
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Taxonomy
TopicsClimate Change and Health Impacts · Thermal Regulation in Medicine · Thermoregulation and physiological responses
