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- Title
Factors that most expose countries to COVID-19: a composite indicators-based approach.
- Authors
Libório, Matheus Pereira; Ekel, Petr Yakovlevitch; de Abreu, João Francisco; Laudares, Sandro
- Abstract
Studies carried out in different countries correlate social, economic, environmental, and health factors with the number of cases and deaths from COVID-19. However, such studies do not reveal which factors make one country more exposed to COVID-19 than other. Based on the composite indicators approach, this research identifies the factors that most impact the number of cases and deaths of COVID-19 worldwide and measures countries' exposure to COVID-19. Three composite indicators of exposure to COVID-19 were constructed through Principal Component Analysis, Simple Additive Weighting, and k-means clustering. The number of cases and deaths from COVID-19 is strongly correlated (R > 0.60) with composite indicator scores and moderately concordant (K > 0.4) with country clusters. Factors directly or indirectly associated with the age of the population are the ones that most expose countries to COVID-19. The population of countries most exposed to COVID-19 is 12 years older on average. The proportion of the elderly population in these countries is at least twice that of countries less exposed to COVID-19. Factors that can increase the population's life expectancy, such as Gross Domestic Product per capita and the Human Development Index, are four times and 1.3 times higher in more exposed countries to COVID-19. Providing better living conditions increases both the population's life expectancy and the country's exposure to COVID-19.
- Subjects
COVID-19; PRINCIPAL components analysis; PER capita; HUMAN Development Index; K-means clustering; OLDER people
- Publication
GeoJournal, 2022, Vol 87, Issue 6, p5435
- ISSN
0343-2521
- Publication type
Article
- DOI
10.1007/s10708-021-10557-5