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

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

	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

^a Network distance calculated from the residence of each of the 50 participant families to the nearest food store.
^b Number of different food stores by store type within 1 network mile of the residence.
^c Number of different food stores by store type within 3 network miles of the residence.

ISSN: 1471-2458