Evidence for validity of five secondary data sources for enumerating retail food outlets in seven American Indian Communities in North Carolina
<p>Abstract</p> <p>Background</p> <p>Most studies on the local food environment have used secondary sources to describe the food environment, such as government food registries or commercial listings (e.g., Reference USA). Most of the studies exploring evidence for vali...
Main Authors: | , , , , , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2012-11-01
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Series: | International Journal of Behavioral Nutrition and Physical Activity |
Subjects: | |
Online Access: | http://www.ijbnpa.org/content/9/1/137 |