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. 2021 Nov 25;58:00469580211060184. doi: 10.1177/00469580211060184

Table 1.

Independent Variables.

Variable Specification
HDI Human development index (HDI) is a summary of dimensions of human development
GDP per capita Gross domestic product per capita is gross domestic product divided by midyear population
Gini Index that represents the income inequality within a nation
Population density Number of people living in a country per square kilometer
Extreme poverty Number of people living on less than $1.90/day
Life Expectancy Average time that a person is expected to live
COVID Cases Cumulative COVID-19 cases
COVID Deaths Cumulative COVID-19 deaths
Reproduction Rate COVID-19 Infection rate