Exploring vulnerability to heat and cold across urban and rural populations in Switzerland

Heat- and cold-related mortality risks are highly variable across different geographies, suggesting a differential distribution of vulnerability factors between and within countries, which could partly be driven by urban-to-rural disparities. Identifying these drivers of risk is crucial to character...

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Main Authors: Evan de Schrijver (Author), Dominic Royé (Author), Antonio Gasparrini (Author), Oscar H Franco (Author), Ana M Vicedo-Cabrera (Author)
Format: Book
Published: IOP Publishing, 2023-01-01T00:00:00Z.
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042 |a dc 
100 1 0 |a Evan de Schrijver  |e author 
700 1 0 |a Dominic Royé  |e author 
700 1 0 |a Antonio Gasparrini  |e author 
700 1 0 |a Oscar H Franco  |e author 
700 1 0 |a Ana M Vicedo-Cabrera  |e author 
245 0 0 |a Exploring vulnerability to heat and cold across urban and rural populations in Switzerland 
260 |b IOP Publishing,   |c 2023-01-01T00:00:00Z. 
500 |a 10.1088/2752-5309/acab78 
500 |a 2752-5309 
520 |a Heat- and cold-related mortality risks are highly variable across different geographies, suggesting a differential distribution of vulnerability factors between and within countries, which could partly be driven by urban-to-rural disparities. Identifying these drivers of risk is crucial to characterize local vulnerability and design tailored public health interventions to improve adaptation of populations to climate change. We aimed to assess how heat- and cold-mortality risks change across urban, peri-urban and rural areas in Switzerland and to identify and compare the factors associated with increased vulnerability within and between different area typologies. We estimated the heat- and cold-related mortality association using the case time-series design and distributed lag non-linear models over daily mean temperature and all-cause mortality series between 1990-2017 in each municipality in Switzerland. Then, through multivariate meta-regression, we derived pooled heat and cold-mortality associations by typology (i.e. urban/rural/peri-urban) and assessed potential vulnerability factors among a wealth of demographic, socioeconomic, topographic, climatic, land use and other environmental data. Urban clusters reported larger pooled heat-related mortality risk (at 99th percentile, vs. temperature of minimum mortality (MMT)) (relative risk = 1.17 (95%CI: 1.10; 1.24), vs peri-urban 1.03 (1.00; 1.06), and rural 1.03 (0.99; 1.08)), but similar cold-mortality risk (at 1st percentile, vs. MMT) (1.35 (1.28; 1.43), vs rural 1.28 (1.14; 1.44) and peri-urban 1.39 (1.27-1.53)) clusters. We found different sets of vulnerability factors explaining the differential risk patterns across typologies. In urban clusters, mainly environmental factors (i.e. PM _2.5 ) drove differences in heat-mortality association, while for peri-urban/rural clusters socio-economic variables were also important. For cold, socio-economic variables drove changes in vulnerability across all typologies, while environmental factors and ageing were other important drivers of larger vulnerability in peri-urban/rural clusters, with heterogeneity in the direction of the association. Our findings suggest that urban populations in Switzerland may be more vulnerable to heat, compared to rural locations, and different sets of vulnerability factors may drive these associations in each typology. Thus, future public health adaptation strategies should consider local and more tailored interventions rather than a one-size fits all approach. 
546 |a EN 
690 |a vulnerability 
690 |a heat 
690 |a cold 
690 |a adaptation 
690 |a Climate change 
690 |a mortality 
690 |a Environmental sciences 
690 |a GE1-350 
690 |a Public aspects of medicine 
690 |a RA1-1270 
655 7 |a article  |2 local 
786 0 |n Environmental Research: Health, Vol 1, Iss 2, p 025003 (2023) 
787 0 |n https://doi.org/10.1088/2752-5309/acab78 
787 0 |n https://doaj.org/toc/2752-5309 
856 4 1 |u https://doaj.org/article/ab33687a01c84d75bbccd68cfa307730  |z Connect to this object online.