Fig. 1.

Quartiles for average density of healthy¹ and unhealthy² food outlets in 2010 census tracts with a 0.5-mile buffer of WIC-participants in Los Angeles County, California, 2002–2013.³. a Quartiles of healthy¹ food outlet density per square mile. b Quartiles of unhealthy² food outlet density per square mile.¹ Healthy outlets included chain and independent grocers, fruit/vegetable vendors, and supermarkets. ² Unhealthy outlets included chain and independent convenience stores, fast food, and liquor stores.³ The authors created the map for this publication using ArcGIS 10.3 (Environmental Systems Research Institute, Redlands, CA, USA)