Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France

Abstract Background The first wave of the COVID-19 pandemic in France was associated with high excess mortality, and anecdotal evidence pointed to differing excess mortality patterns depending on social and environmental determinants. In this study we aimed to investigate the spatial distribution of...

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Autores principales: Hugo Pilkington, Thierry Feuillet, Stéphane Rican, Jeanne Goupil de Bouillé, Olivier Bouchaud, Johann Cailhol, Hélène Bihan, Pierre Lombrail, Chantal Julia
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spelling oai:doaj.org-article:00a112c3cd4e4e279bd32e755d58d09d2021-11-28T12:12:44ZSpatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France10.1186/s12889-021-12203-81471-2458https://doaj.org/article/00a112c3cd4e4e279bd32e755d58d09d2021-11-01T00:00:00Zhttps://doi.org/10.1186/s12889-021-12203-8https://doaj.org/toc/1471-2458Abstract Background The first wave of the COVID-19 pandemic in France was associated with high excess mortality, and anecdotal evidence pointed to differing excess mortality patterns depending on social and environmental determinants. In this study we aimed to investigate the spatial distribution of excess mortality during the first wave of the COVID-19 pandemic in France and relate it at the subnational level to contextual determinants from various dimensions (socioeconomic, population density, overall health status, healthcare access etc.). We also explored whether the determinants identified at the national level varied depending on geographical location. Methods We used available national data on deaths in France to calculate excess mortality by department for three age groups: 0–49, 50–74 and > 74 yrs. between March 1st and April 27th, 2020. We selected 15 variables at the department level that represent four dimensions that may be related to overall mortality at the ecological level, two representing population-level vulnerabilities (morbidity, social deprivation) and two representing environmental-level vulnerabilities (primary healthcare supply, urbanization). We modelled excess mortality by age group for our contextual variables at the department level. We conducted both a global (i.e., country-wide) analysis and a multiscale geographically weighted regression (MGWR) model to account for the spatial variations in excess mortality. Results In both age groups, excess all-cause mortality was significantly higher in departments where urbanization was higher (50–74 yrs.: β = 15.33, p < 0.001; > 74 yrs.: β = 18.24, p < 0.001) and the supply of primary healthcare providers lower (50–74 yrs.: β = − 8.10, p < 0.001; > 74 yrs.: β = − 8.27, p < 0.001). In the 50–74 yrs. age group, excess mortality was negatively associated with the supply of pharmacists (β = − 3.70, p < 0.02) and positively associated with work-related mobility (β = 4.62, p < 0.003); in the > 74 yrs. age group our measures of deprivation (β = 15.46, p < 0.05) and morbidity (β = 0.79, p < 0.008) were associated with excess mortality. Associations between excess mortality and contextual variables varied significantly across departments for both age groups. Conclusions Public health strategies aiming at mitigating the effects of future epidemics should consider all dimensions involved to develop efficient and locally tailored policies within the context of an evolving, socially and spatially complex situation.Hugo PilkingtonThierry FeuilletStéphane RicanJeanne Goupil de BouilléOlivier BouchaudJohann CailholHélène BihanPierre LombrailChantal JuliaBMCarticleCOVID-19MortalitySocioeconomic factorsDelivery of health careDeprivationInequalityPublic aspects of medicineRA1-1270ENBMC Public Health, Vol 21, Iss 1, Pp 1-10 (2021)
institution DOAJ
collection DOAJ
language EN
topic COVID-19
Mortality
Socioeconomic factors
Delivery of health care
Deprivation
Inequality
Public aspects of medicine
RA1-1270
spellingShingle COVID-19
Mortality
Socioeconomic factors
Delivery of health care
Deprivation
Inequality
Public aspects of medicine
RA1-1270
Hugo Pilkington
Thierry Feuillet
Stéphane Rican
Jeanne Goupil de Bouillé
Olivier Bouchaud
Johann Cailhol
Hélène Bihan
Pierre Lombrail
Chantal Julia
Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France
description Abstract Background The first wave of the COVID-19 pandemic in France was associated with high excess mortality, and anecdotal evidence pointed to differing excess mortality patterns depending on social and environmental determinants. In this study we aimed to investigate the spatial distribution of excess mortality during the first wave of the COVID-19 pandemic in France and relate it at the subnational level to contextual determinants from various dimensions (socioeconomic, population density, overall health status, healthcare access etc.). We also explored whether the determinants identified at the national level varied depending on geographical location. Methods We used available national data on deaths in France to calculate excess mortality by department for three age groups: 0–49, 50–74 and > 74 yrs. between March 1st and April 27th, 2020. We selected 15 variables at the department level that represent four dimensions that may be related to overall mortality at the ecological level, two representing population-level vulnerabilities (morbidity, social deprivation) and two representing environmental-level vulnerabilities (primary healthcare supply, urbanization). We modelled excess mortality by age group for our contextual variables at the department level. We conducted both a global (i.e., country-wide) analysis and a multiscale geographically weighted regression (MGWR) model to account for the spatial variations in excess mortality. Results In both age groups, excess all-cause mortality was significantly higher in departments where urbanization was higher (50–74 yrs.: β = 15.33, p < 0.001; > 74 yrs.: β = 18.24, p < 0.001) and the supply of primary healthcare providers lower (50–74 yrs.: β = − 8.10, p < 0.001; > 74 yrs.: β = − 8.27, p < 0.001). In the 50–74 yrs. age group, excess mortality was negatively associated with the supply of pharmacists (β = − 3.70, p < 0.02) and positively associated with work-related mobility (β = 4.62, p < 0.003); in the > 74 yrs. age group our measures of deprivation (β = 15.46, p < 0.05) and morbidity (β = 0.79, p < 0.008) were associated with excess mortality. Associations between excess mortality and contextual variables varied significantly across departments for both age groups. Conclusions Public health strategies aiming at mitigating the effects of future epidemics should consider all dimensions involved to develop efficient and locally tailored policies within the context of an evolving, socially and spatially complex situation.
format article
author Hugo Pilkington
Thierry Feuillet
Stéphane Rican
Jeanne Goupil de Bouillé
Olivier Bouchaud
Johann Cailhol
Hélène Bihan
Pierre Lombrail
Chantal Julia
author_facet Hugo Pilkington
Thierry Feuillet
Stéphane Rican
Jeanne Goupil de Bouillé
Olivier Bouchaud
Johann Cailhol
Hélène Bihan
Pierre Lombrail
Chantal Julia
author_sort Hugo Pilkington
title Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France
title_short Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France
title_full Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France
title_fullStr Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France
title_full_unstemmed Spatial determinants of excess all-cause mortality during the first wave of the COVID-19 epidemic in France
title_sort spatial determinants of excess all-cause mortality during the first wave of the covid-19 epidemic in france
publisher BMC
publishDate 2021
url https://doaj.org/article/00a112c3cd4e4e279bd32e755d58d09d
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