Table A1.
The definition for socioeconomic and demographic factors, and pre-existing chronic disease factors.
| Variable Categories | Variables | Item description (formula) | Official definition | VIF Test |
|---|---|---|---|---|
| Socioeconomic and demographic factors | Population density | Total population / county area | Population: 2019 county-level census population | Retained |
| Female population ratio | Female persons, percent | 2019 county-level census female percent | Retained | |
| Difference in black-white population | Black population / total population - white population / total population | Black: 2019 county-level census black population White: 2019 county-level census white population |
Retained | |
| Difference in black-white older adults | Older adults of black / black population - older adults of white / white population | Older adults: Aged 65 or above. | Retained | |
| Household size | Persons per household in a county, 2014–2018 | Persons per household, or average household size, is obtained by dividing the number of persons in households by the number of households at the county level. | Retained | |
| Housing value | Median value of owner-occupied housing units, 2014–2018 | Specified owner-occupied housing units--one-family houses on less than 10 acres without a business or medical office on the property. | Removed | |
| Rate of high school graduate or higher | High school graduate or higher, percent of persons age 25 years+, 2014–2018 | High school graduates include people whose highest degree was a high school diploma or its equivalent. These data include only persons 25 years old and over. | Removed | |
| Rate of households with broadband | Households with a broadband Internet subscription, percent, 2014–2018 | A Household has a broadband Internet subscription if any household member accesses the Internet. | Retained | |
| Median household income | Median household income (in 2018 dollars), 2014–2018 | Income of households: This includes the income of the householder and all other individuals 15 years old and over in the household, whether they are related to the householder or not. | Retained | |
| Poverty rate | Persons in poverty, percent (in 2019 census) | Census Bureau uses a set of money income thresholds that vary by family size and composition to determine who is in poverty. If a family's total income is less than the family's threshold, then that family and every individual in it is considered in poverty. | Removed | |
| Healthcare receipts | Total health care and social assistance receipts/revenue, 2012 ($1,000) / per 100 k | The sector includes both health care and social assistance because it is sometimes difficult to distinguish between the boundaries of these two activities. | Retained | |
| Travel time to work | Mean travel time to work (minutes), workers age 16 years+, 2014–2018 | Travel time to work refers to the total number of minutes that it usually took the person to get from home to work each day during the reference week. | Removed | |
| Employment rate | Total employment, 2018 / per 100 k | Paid employment consists of full- and part-time employees, including salaried officers and executives of corporations. Included are employees on paid sick leave, holidays, and vacations; not included are proprietors and partners of unincorporated businesses. | Removed | |
| Number of firms | All firms, 2012 / per 100 k | Firms equally male-/female-owned, equally minority-/nonminority-owned, and equally veteran-/nonveteran-owned are counted and tabulated as separate categories. | Retained | |
| Pre-existing chronic disease factors | Coronary heart disease death rate | Coronary heart disease death rate per 100,000 | All ages, all races/ethnicities, both genders, 2016–2018 (not spatial smoothed data) | Retained |
| Heart failure death rate | Heart failure death rate per 100,000 | All ages, all races/ethnicities, both genders, 2016–2018 (not spatial smoothed data) | Retained | |
| Diagnosed diabetes rate | Diagnosed diabetes percentage | Age-adjusted percentage, 20+, 2016 | Retained | |
| Obesity rate | Obesity percentage | Age-adjusted percentage, 20 + . 2016 | Removed |
Note: The detail definition is from the United States Census and Heart disease and stroke data of Centers for Disease Control and Prevention.
Note: All data are at the county level.