{
  "title": "USDA Food Environment Atlas county indicators used by BMITDEE",
  "source": "U.S. Department of Agriculture, Economic Research Service, Food Environment Atlas",
  "source_url": "https://www.ers.usda.gov/data-products/food-environment-atlas",
  "download_updated": "2025-07-30",
  "processed_at": "2026-07-12",
  "geography": "U.S. counties and county equivalents",
  "variables": {
    "low_access_pct": {
      "label": "Population with low food-store access",
      "year": 2019,
      "unit": "percent",
      "source_code": "PCT_LACCESS_POP19"
    },
    "low_income_low_access_pct": {
      "label": "Low-income population with low food-store access",
      "year": 2019,
      "unit": "percent",
      "source_code": "PCT_LACCESS_LOWI19"
    },
    "no_car_low_access_pct": {
      "label": "Households without a vehicle and with low food-store access",
      "year": 2019,
      "unit": "percent",
      "source_code": "PCT_LACCESS_HHNV19"
    },
    "grocery_per_1000": {
      "label": "Grocery stores per 1,000 residents",
      "year": 2020,
      "unit": "stores per 1,000",
      "source_code": "GROCPTH20"
    },
    "convenience_per_1000": {
      "label": "Convenience stores per 1,000 residents",
      "year": 2020,
      "unit": "stores per 1,000",
      "source_code": "CONVSPTH20"
    },
    "dollar_per_1000": {
      "label": "Dollar stores per 1,000 residents",
      "year": 2020,
      "unit": "stores per 1,000",
      "source_code": "DSPTH20"
    },
    "fast_food_per_1000": {
      "label": "Fast-food restaurants per 1,000 residents",
      "year": 2020,
      "unit": "restaurants per 1,000",
      "source_code": "FFRPTH20"
    },
    "median_household_income": {
      "label": "Median household income",
      "year": 2021,
      "unit": "US dollars",
      "source_code": "MEDHHINC21"
    },
    "poverty_rate": {
      "label": "Poverty rate",
      "year": 2021,
      "unit": "percent",
      "source_code": "POVRATE21"
    },
    "metro": {
      "label": "Metropolitan county",
      "year": 2023,
      "unit": "1 metro, 0 nonmetro",
      "source_code": "METRO23"
    }
  },
  "missing_values": "USDA N/A, -9999 and -8888 values converted to null."
}