Retail Food Environment Index (RFEI)

In California as a whole, there are more than four times
as many fast-food restaurants and convenience stores as supermarkets and produce vendors.

RETAIL FOOD ENVIRONMENT INDEX (RFEI)
A ratio describing the relative abundance of different types of retail
food outlets in a given area. The RFEI is constructed by dividing the
total number of fast-food restaurants and convenience stores by the total
number of supermarkets and produce vendors (produce stores and farmers
markets) in the area. The result is the ratio of retail food outlets that offer little in the way of fruits and vegetables and other healthy foods to those in which fruits and vegetables are readily available.

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