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Table 3 Spatial accessibility to food for the participant households ( n = 50)

From: Convenience stores are the key food environment influence on nutrients available from household food supplies in Texas Border Colonias

  Mean ± Standard Deviation Median
Proximity (distance in miles) a   
Traditional Food Stores   
 Supermarkets 5.0 ± 2.5 5.5
Convenience   
 Convenience stores/food marts 0.75 ± 0.56 0.67
Non-Traditional Food Stores   
 Dollar Stores 3.1 ± 1.8 2.3
Coverage – 1 Mile b   
Traditional Food Stores   
 Supermarkets 0.06 ± 0.24 0
Convenience   
 Convenience stores/food marts 3.3 ± 2.4 2.5
Non-Traditional Food Stores   
 Dollar Stores 0.1 ± 0.3 0
Coverage – 3 Miles c   
Traditional Food Stores   
 Supermarkets 1.0 ± 1.3 0
Convenience   
 Convenience stores/food marts 25.6 ± 8.6 29.5
Non-Traditional Food Stores   
 Dollar Stores 1.7 ± 1.6 1.5
  1. a Network distance calculated from the residence of each of the 50 participant families to the nearest food store.
  2. b Number of different food stores by store type within 1 network mile of the residence.
  3. c Number of different food stores by store type within 3 network miles of the residence.