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Quantifying Vulnerability to Extreme Heat in Time Series Analyses: A Novel Approach Applied to Neighborhood Social Disparities under Climate Change

机译:在时间序列分析中量化极热的脆弱性:一种适用于气候变化下邻里社会差距的新颖方法

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摘要

Objectives: We propose a novel approach to examine vulnerability in the relationship between heat and years of life lost and apply to neighborhood social disparities in Montreal and Paris. Methods: We used historical data from the summers of 1990 through 2007 for Montreal and from 2004 through 2009 for Paris to estimate daily years of life lost social disparities (DYLLD), summarizing social inequalities across groups. We used Generalized Linear Models to separately estimate relative risks (RR) for DYLLD in association with daily mean temperatures in both cities. We used 30 climate scenarios of daily mean temperature to estimate future temperature distributions (2021–2050). We performed random effect meta-analyses to assess the impact of climate change by climate scenario for each city and compared the impact of climate change for the two cities using a meta-regression analysis. Results: We show that an increase in ambient temperature leads to an increase in social disparities in daily years of life lost. The impact of climate change on DYLLD attributable to temperature was of 2.06 (95% CI: 1.90, 2.25) in Montreal and 1.77 (95% CI: 1.61, 1.94) in Paris. The city explained a difference of 0.31 (95% CI: 0.14, 0.49) on the impact of climate change. Conclusion: We propose a new analytical approach for estimating vulnerability in the relationship between heat and health. Our results suggest that in Paris and Montreal, health disparities related to heat impacts exist today and will increase in the future.
机译:目标:我们提出了一种新颖的方法来研究高温与失去的生命之间的关系中的脆弱性,并将其应用于蒙特利尔和巴黎的邻里社会差距。方法:我们使用了1990年至2007年夏季的蒙特利尔和2004年至2009年的巴黎的历史数据来估计每天失去的社会差距(DYLLD),总结了各群体之间的社会不平等。我们使用广义线性模型结合两个城市的日平均气温分别估算了DYLLD的相对风险(RR)。我们使用了30种每日平均温度的气候情景来估计未来的温度分布(2021-2050年)。我们进行了随机效应荟萃分析,以评估气候变化对每个城市的影响,并使用荟萃回归分析比较了气候变化对两个城市的影响。结果:我们表明,环境温度的升高导致在失去的日常生活中社会差距的增加。气候变化对DYLLD的归因于温度的影响在蒙特利尔为2.06(95%CI:1.90,2.25),在巴黎为1.77(95%CI:1.61,1.94)。该市解释说气候变化的影响相差0.31(95%CI:0.14,0.49)。结论:我们提出了一种新的分析方法来估计热量与健康之间关系的脆弱性。我们的结果表明,在巴黎和蒙特利尔,与热影响相关的健康差距目前存在,并且将来还会增加。

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