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Food Environment – Modified Retail Food Environment Index

This indicator reports the percentage of population living in census tracts with no or low access to healthy retail food stores. Figures are based on the CDC Modified Retail Food Environment Index. For this indicator, low food access tracts are considered those with index scores of 10.0 or less.

Source

Source Description

The Division of Nutrition, Physical Activity, and Obesity (DNPAO) is a program run by the the Centers for Disease Control and Prevention (CDC), a division of the US Department of Health & Human Services. The agency utilizes a public health approach to address the role of nutrition and physical activity in improving the public’s health and preventing and controlling chronic diseases. The DNPAO published the Modified Retail Food Environmental Index (MRFEi) for each state in the US in 2011. The mRFEI is a measure of the proportion of food retailers that sell healthy foods compared to retailers that sell unhealthy foods. Scores can range from 0 (no food retailers that typically sell healthy food) to 100 (only food retailers that typically sell healthy food). Areas with lower mRFEI scores have more food retailers (like fast food restaurants and convenience stores) that are less likely to sell less healthy foods and fewer food retailers (like supermarkets) that tend to sell healthy foods such as fresh fruits and vegetables.

Methodology

Census tract-level Modified Retail Food Environmental Index (mRFEI) data was acquired from the CDC Division of Nutrition, Physical Activity, and Obesity (DNPAO). This dataset contains index values for each census tract (using census 2000 boundaries) based on the proportion of healthy to unhealthy food retailers located in the tract. mRFEI scores were classified into different healthy food access categories as follows:

-9999 No Food Outlet
0.0 No Healthy Food Outlet
0.1 – 10.0 Low Healthy Food Access
10.1 – 30.0 Moderate Healthy Food Access
Over 30.0 High Healthy Food Access

The number of persons living in tracts with each food access designation was calculated using Census 2000 population figures and summarized to the county or state level. Percentages were generated by dividing these figures by the total population in each county or state. For more information, please see the complete CDC Modified Retail Food Environment Index Report.

Data Breakouts Available

  • Population with Low or No Healthy Food Access by Race/Ethnicity, Total
  • Population with Low or No Healthy Food Access by Race/Ethnicity, Percent
  • Population with Low or No Healthy Food Access, Racial Disparity Index
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