Food-shopping environment disparities in Texas WIC vendors: a pilot study.

Objective: To identify differences in food-shopping environments of Texas WIC vendors using a culturally adapted instrument.

Methods: A survey tool was developed for measuring food availability, accessibility, and affordability in 111 WIC vendors in Texas. Two-tailed t-tests and Mann-Whitney tests were used for rural/urban and Texas-Mexico border/non-border area comparisons.