Time-series Analysis of Heat Waves and Emergency Department Visits in Atlanta, 1993 to 2012

被引:1
作者
Chen, Tianqi [1 ]
Sarnat, Stefanie E. [2 ]
Grundstein, Andrew J. [3 ]
Winquist, Andrea [2 ]
Chang, Howard H. [1 ]
机构
[1] Emory Univ, Dept Biostat & Bioinformat, 1518 Clifton Rd NE, Atlanta, GA 30322 USA
[2] Emory Univ, Dept Environm Hlth, Atlanta, GA 30322 USA
[3] Univ Georgia, Dept Geog, Athens, GA 30602 USA
基金
美国国家卫生研究院;
关键词
HOSPITAL ADMISSIONS; CLIMATE-CHANGE; PUBLIC-HEALTH; EXTREME HEAT; AMBIENT-TEMPERATURE; SUMMER TEMPERATURES; UNITED-STATES; MORTALITY; WEATHER; IMPACT;
D O I
10.1289/EHP44
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
BACKGROUND: Heat waves are extreme weather events that have been associated with adverse health outcomes. However, there is limited knowledge of heat waves' impact on population morbidity, such as emergency department (ED) visits. OBJECTIVES: We investigated associations between heat waves and ED visits for 17 outcomes in Atlanta over a 20-year period, 1993-2012. METHODS: Associations were estimated using Poisson log-linear models controlling for continuous air temperature, dew-point temperature, day of week, holidays, and time trends. We defined heat waves as periods of >= 2 consecutive days with temperatures beyond the 98th percentile of the temperature distribution over the period from 1945-2012. We considered six heat wave definitions using maximum, minimum, and average air temperatures and apparent temperatures. Associations by heat wave characteristics were examined. RESULTS: Among all outcome-heat wave combinations, associations were strongest between ED visits for acute renal failure and heat waves defined by maximum apparent temperature at lag 0 [relative risk (RR) = 1.15; 95% confidence interval (CI): 1.03-1.29], ED visits for ischemic stroke and heat waves defined by minimum temperature at lag 0 (RR = 1.09; 95% CI: 1.02-1.17), and ED visits for intestinal infection and heat waves defined by average temperature at lag 1 (RR = 1.10; 95% CI: 1.00-1.21). ED visits for all internal causes were associated with heat waves defined by maximum temperature at lag 1 (RR = 1.02; 95% CI: 1.00, 1.04). CONCLUSIONS: Heat waves can confer additional risks of ED visits beyond those of daily air temperature, even in a region with high air-conditioning prevalence. https://doi.org/10.1289/EHP44.
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页数:9
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