U.S. Census Bureau. (2018). Economy Wide Statistics Division, County Business Patterns (2013-2016). Accessed July 18th, 2018.

Definition:
Retail Food Environment Index (RFEI) is the ratio of convenience stores (excluding gas stations convenience stores), limited-service restaurants (aka fast food restaurants), and full-service restaurants TO supermarkets and specialty food stores

Percentage of the civilian labor force plus the marginally attached who were unemployed, marginally attached, or part-time for economic reasons.

U.S. Census Bureau, Current Population Survey, Basic Monthly Data.

Note: The sample includes respondents that had been surveyed for the first time in the CPS Basic Monthly (i.e. HRMIS = 1).

Percent of People who Cannot Afford to Feed Themselves Sufficiently.

U.S. Census Bureau, Current Population Survey, December Supplement (AKA USDA Food Security Supplement).

Dissected by Year, Geographic Area, Age Category, and Race/Ethnicity.

Percent of People who Cannot Afford to Feed Themselves Sufficiently.

U.S. Census Bureau, Current Population Survey, December Supplement (AKA USDA Food Security Supplement).

Dissected by Year and Geographic Area

Numerator: U.S. Department of Health and Human Services. Health Resources and Services Administration (HRSA). Area Health Resources File (AHRF), 2017-2018 Release. https://datawarehouse.hrsa.gov/data/datadownload.aspx

Denominator: U.S. Census Bureau, American Community Survey 1-Year Summary Estimates (2007-2017), Table B01003. https://factfinder.census.gov/bkmk/table/1.0/en/ACS/17_1YR/B01003/0100000US|0400000US06|0500000US06071