期刊
INDOOR AIR
卷 32, 期 1, 页码 -出版社
WILEY
DOI: 10.1111/ina.12972
关键词
climate change; cognition; indoor temperature; sleepiness; socioeconomic; weather
类别
资金
- National Institute for Environmental Health Sciences [R00ES026198, P30 ES017885]
- National Institute for Occupational Safety and Health [T42 OH008455-09]
- National Science Foundation [1520803]
- University of Michigan Poverty Solutions and M-Cubed programs
The burden of temperature on health outcomes, especially in low-income households, is significant. In a study of low-income residents in Detroit, indoor temperature fluctuations were found to affect cognitive function and sleepiness. High and low indoor temperatures may influence health, but no detrimental effects of higher temperatures were observed.
The burden of temperature-associated mortality and hospital visits is significant, but temperature's effects on non-emergency health outcomes is less clear. This burden is potentially greater in low-income households unable to afford efficient heating and cooling. We examined short-term associations between indoor temperatures and cognitive function and daytime sleepiness in low-income residents of Detroit, Michigan. Apparent temperature (AT, based on temperature and humidity) was recorded hourly in 34 participant homes between July 2019-March 2020. Between July-October 2019, 18 participants were administered word list immediate (WLL) and delayed (WLD) recall tests (10-point scales) and the Epworth Sleepiness Scale (24-point scale) 2-4 times. We applied longitudinal models with nonlinear distributed lags of temperature up to 7 days prior to testing. Indoor temperatures ranged 8-34 degrees C overall and 15-34 degrees C on survey days. We observed a 0.4 (95% CI: 0.0, 0.7) point increase in WLL and 0.4 (95% CI: 0.0, 0.9) point increase in WLD scores per 2 degrees C increase in AT. Results suggested decreasing sleepiness scores with decreasing nighttime AT below 22 degrees C. Low-income Detroit residents experience uncomfortably high and low indoor temperatures. Indoor temperature may influence cognitive function and sleepiness, although we did not observe deleterious effects of higher temperatures.
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