Table 1.
The data sources of the 102 Illinois counties.
| Variable | Definition | Source |
|---|---|---|
| Vaccinated | Fraction of population fully vaccinated | Illinois Department of Public Health |
| % male | Percent male population, 2019 | US Census Bureau |
| % Age ≥ 65 | Percent population age 65 and over, 2019 | indexmundi.com |
| Pop density | Population density per km2, 2019 | US Census Bureau |
| % Black | Percent Black population, 2019 | US Census Bureau |
| % Hispanic | Percent Hispanic population, 2019 | US Census Bureau |
| Gini index | Gini index of income inequality | 2018 Am. Com. Survey |
| % Poverty | Percent population in poverty, 2019 | Indexmundi.com |
| % Uninsured | Percent population uninsured, 2020 | Countyealthrankings.org |
| % GOP vote | Percent 2016 GOP vote in a county | GitHub |