Table 1

Data sources

VariableDescriptionData source
COVID-19 Case Prevalence (dependent variable)COVID-19 Cases per 1,000 population by countyUSA Facts (2020) 
COVID-19 Mortality Rate (dependent variable)COVID-19 Deaths per 1,000 population by countyUSA Facts (2020) 
Food Desert(%) of the county population residing more than 10 miles for rural counties, and 1 mile for urban counties to a healthy and affordable food retailersFood Access Atlas USDA (2017) 
SNAP Beneficiary(%) of the county population receiving Supplemental Nutrition Assistance Program (SNAP) BenefitsFood Access Atlas USDA (2017) 
Social Vulnerability Variables (Unemployed, Age > 65, Age < 17, Disabled, Minority)(%) of the county population belonging to the vulnerability groupSocial Vulnerability Index (CDC, 2018)
Obesity and Diabetes(%) of the county population suffering from the conditionDiabetes Interactive Atlas (CDC, 2016)

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