Country‐level determinants of COVID‐19 case rates and death rates: An ecological study

The Coronavirus Disease 2019 (COVID‐19) pandemic has had a variable worldwide impact, likely related to country‐level characteristics. In this ecological study, we explored the association of COVID‐19 case rates (per 100,000 people) and death rates (per 100,000 people) with country‐level population...

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Veröffentlicht in:Transboundary and emerging diseases 2022-07, Vol.69 (4), p.e906-e915
Hauptverfasser: El Mouhayyar, Christopher, Jaber, Luke T., Bergmann, Matthias, Tighiouart, Hocine, Jaber, Bertrand L.
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container_end_page e915
container_issue 4
container_start_page e906
container_title Transboundary and emerging diseases
container_volume 69
creator El Mouhayyar, Christopher
Jaber, Luke T.
Bergmann, Matthias
Tighiouart, Hocine
Jaber, Bertrand L.
description The Coronavirus Disease 2019 (COVID‐19) pandemic has had a variable worldwide impact, likely related to country‐level characteristics. In this ecological study, we explored the association of COVID‐19 case rates (per 100,000 people) and death rates (per 100,000 people) with country‐level population health characteristics, economic and human development indicators, and habitat‐related variables. To calculate country‐level COVID‐19 case and death rates, the number of cases and deaths were extracted from the Johns Hopkins Coronavirus Resource Center through September 30, 2021. Country‐level population health characteristics, economic, human development, and habitat‐related indicators were extracted from several publicly available online sources of international organizations. Results were tabulated according to world zones and country economies. Unadjusted and adjusted multiple imputation linear regression analyses were performed to examine the association between country‐level variables (per 1‐standard deviation [SD] increase) and COVID‐19 case and death rates. To satisfy the linear regression model assumptions of normality of residuals, we used the square root transformation of both outcomes. A total of 187 countries and territories were analyzed, with a median (25th, 75th percentiles) aggregate COVID‐19 case rate of 3,605 (463, 8,228) per 100,000, a COVID‐19 death rate of 45.9 (8.9, 137.1) per 100,000, and a case‐fatality rate of 1.6% (1.2%, 2.6%). On multivariable analyses, each country‐level 1‐SD higher percentage of adults with obesity (β coefficient 13.7; 95% confidence interval [CI] 13.7; 8.9, 18.4), percentage of smokers (5.8; 95% CI 1.2, 10.5), percentage of adults with high blood pressure (4.9; 95% CI 0.3, 9.6), and gross national income (GNI) per capita (9.5; 95% CI 4.6, 14.5) was independently associated with higher square root of COVID‐19 case rate, while average household size (−1.7; 95% CI −12.3, −3.2) was independently associated with lower square root of COVID‐19 case rate. Similarly, each 1‐SD higher percentage of adults with obesity (1.76; 95% CI 0.99, 2.52), percentage of adults with high blood pressure (1.11; 95% CI 0.48, 1.74), percentage of adults with physical inactivity (1.01; 95% CI 0.10, 1.191), and travel & tourism competitiveness index (1.05; 95% CI 0.06, 2.04) was independently associated with higher square root of COVID‐19 death rate, whereas GNI per capita (−0.92; 95% CI −1.81, −0.03), and average household size (−1.07; 95% CI
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In this ecological study, we explored the association of COVID‐19 case rates (per 100,000 people) and death rates (per 100,000 people) with country‐level population health characteristics, economic and human development indicators, and habitat‐related variables. To calculate country‐level COVID‐19 case and death rates, the number of cases and deaths were extracted from the Johns Hopkins Coronavirus Resource Center through September 30, 2021. Country‐level population health characteristics, economic, human development, and habitat‐related indicators were extracted from several publicly available online sources of international organizations. Results were tabulated according to world zones and country economies. Unadjusted and adjusted multiple imputation linear regression analyses were performed to examine the association between country‐level variables (per 1‐standard deviation [SD] increase) and COVID‐19 case and death rates. To satisfy the linear regression model assumptions of normality of residuals, we used the square root transformation of both outcomes. A total of 187 countries and territories were analyzed, with a median (25th, 75th percentiles) aggregate COVID‐19 case rate of 3,605 (463, 8,228) per 100,000, a COVID‐19 death rate of 45.9 (8.9, 137.1) per 100,000, and a case‐fatality rate of 1.6% (1.2%, 2.6%). On multivariable analyses, each country‐level 1‐SD higher percentage of adults with obesity (β coefficient 13.7; 95% confidence interval [CI] 13.7; 8.9, 18.4), percentage of smokers (5.8; 95% CI 1.2, 10.5), percentage of adults with high blood pressure (4.9; 95% CI 0.3, 9.6), and gross national income (GNI) per capita (9.5; 95% CI 4.6, 14.5) was independently associated with higher square root of COVID‐19 case rate, while average household size (−1.7; 95% CI −12.3, −3.2) was independently associated with lower square root of COVID‐19 case rate. Similarly, each 1‐SD higher percentage of adults with obesity (1.76; 95% CI 0.99, 2.52), percentage of adults with high blood pressure (1.11; 95% CI 0.48, 1.74), percentage of adults with physical inactivity (1.01; 95% CI 0.10, 1.191), and travel &amp; tourism competitiveness index (1.05; 95% CI 0.06, 2.04) was independently associated with higher square root of COVID‐19 death rate, whereas GNI per capita (−0.92; 95% CI −1.81, −0.03), and average household size (−1.07; 95% CI −1.87, −0.27) was independently associated with lower square root of COVID‐19 death rate. 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In this ecological study, we explored the association of COVID‐19 case rates (per 100,000 people) and death rates (per 100,000 people) with country‐level population health characteristics, economic and human development indicators, and habitat‐related variables. To calculate country‐level COVID‐19 case and death rates, the number of cases and deaths were extracted from the Johns Hopkins Coronavirus Resource Center through September 30, 2021. Country‐level population health characteristics, economic, human development, and habitat‐related indicators were extracted from several publicly available online sources of international organizations. Results were tabulated according to world zones and country economies. Unadjusted and adjusted multiple imputation linear regression analyses were performed to examine the association between country‐level variables (per 1‐standard deviation [SD] increase) and COVID‐19 case and death rates. To satisfy the linear regression model assumptions of normality of residuals, we used the square root transformation of both outcomes. A total of 187 countries and territories were analyzed, with a median (25th, 75th percentiles) aggregate COVID‐19 case rate of 3,605 (463, 8,228) per 100,000, a COVID‐19 death rate of 45.9 (8.9, 137.1) per 100,000, and a case‐fatality rate of 1.6% (1.2%, 2.6%). On multivariable analyses, each country‐level 1‐SD higher percentage of adults with obesity (β coefficient 13.7; 95% confidence interval [CI] 13.7; 8.9, 18.4), percentage of smokers (5.8; 95% CI 1.2, 10.5), percentage of adults with high blood pressure (4.9; 95% CI 0.3, 9.6), and gross national income (GNI) per capita (9.5; 95% CI 4.6, 14.5) was independently associated with higher square root of COVID‐19 case rate, while average household size (−1.7; 95% CI −12.3, −3.2) was independently associated with lower square root of COVID‐19 case rate. Similarly, each 1‐SD higher percentage of adults with obesity (1.76; 95% CI 0.99, 2.52), percentage of adults with high blood pressure (1.11; 95% CI 0.48, 1.74), percentage of adults with physical inactivity (1.01; 95% CI 0.10, 1.191), and travel &amp; tourism competitiveness index (1.05; 95% CI 0.06, 2.04) was independently associated with higher square root of COVID‐19 death rate, whereas GNI per capita (−0.92; 95% CI −1.81, −0.03), and average household size (−1.07; 95% CI −1.87, −0.27) was independently associated with lower square root of COVID‐19 death rate. 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In this ecological study, we explored the association of COVID‐19 case rates (per 100,000 people) and death rates (per 100,000 people) with country‐level population health characteristics, economic and human development indicators, and habitat‐related variables. To calculate country‐level COVID‐19 case and death rates, the number of cases and deaths were extracted from the Johns Hopkins Coronavirus Resource Center through September 30, 2021. Country‐level population health characteristics, economic, human development, and habitat‐related indicators were extracted from several publicly available online sources of international organizations. Results were tabulated according to world zones and country economies. Unadjusted and adjusted multiple imputation linear regression analyses were performed to examine the association between country‐level variables (per 1‐standard deviation [SD] increase) and COVID‐19 case and death rates. To satisfy the linear regression model assumptions of normality of residuals, we used the square root transformation of both outcomes. A total of 187 countries and territories were analyzed, with a median (25th, 75th percentiles) aggregate COVID‐19 case rate of 3,605 (463, 8,228) per 100,000, a COVID‐19 death rate of 45.9 (8.9, 137.1) per 100,000, and a case‐fatality rate of 1.6% (1.2%, 2.6%). On multivariable analyses, each country‐level 1‐SD higher percentage of adults with obesity (β coefficient 13.7; 95% confidence interval [CI] 13.7; 8.9, 18.4), percentage of smokers (5.8; 95% CI 1.2, 10.5), percentage of adults with high blood pressure (4.9; 95% CI 0.3, 9.6), and gross national income (GNI) per capita (9.5; 95% CI 4.6, 14.5) was independently associated with higher square root of COVID‐19 case rate, while average household size (−1.7; 95% CI −12.3, −3.2) was independently associated with lower square root of COVID‐19 case rate. Similarly, each 1‐SD higher percentage of adults with obesity (1.76; 95% CI 0.99, 2.52), percentage of adults with high blood pressure (1.11; 95% CI 0.48, 1.74), percentage of adults with physical inactivity (1.01; 95% CI 0.10, 1.191), and travel &amp; tourism competitiveness index (1.05; 95% CI 0.06, 2.04) was independently associated with higher square root of COVID‐19 death rate, whereas GNI per capita (−0.92; 95% CI −1.81, −0.03), and average household size (−1.07; 95% CI −1.87, −0.27) was independently associated with lower square root of COVID‐19 death rate. This ecological study informs the need to develop country‐specific public health interventions to better target populations at high risk for COVID‐19, and test interventions to prevent transmission of SARS‐CoV‐2, taking into consideration cross‐country differences in population health characteristics, and economic, human development and habitat‐related factors.</abstract><cop>Germany</cop><pub>Hindawi Limited</pub><pmid>34706146</pmid><doi>10.1111/tbed.14360</doi><tpages>10</tpages><orcidid>https://orcid.org/0000-0003-3935-1054</orcidid><orcidid>https://orcid.org/0000-0003-0577-0605</orcidid><oa>free_for_read</oa></addata></record>
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source Wiley Journals
subjects Adults
Blood pressure
Competitiveness
Confidence intervals
Coronaviruses
COVID-19
Death
Disease transmission
Ecological studies
Economics
environment and public health
Fatalities
geographic locations
GNI
Gross National Income
Habitats
Health promotion
Hypertension
Indicators
International organizations
Mortality
Normality
Obesity
Original
Pandemics
population health
Public health
Regression analysis
Regression models
SARS‐CoV‐2
Severe acute respiratory syndrome coronavirus 2
Smoking
Statistical analysis
Tourism
Viral diseases
title Country‐level determinants of COVID‐19 case rates and death rates: An ecological study
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