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Evidence for validity of five secondary data sources for enumerating retail food outlets in seven American Indian Communities in North Carolina
BACKGROUND: 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 validity of secondary retail food data have used on-site ve...
Autores principales: | , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2012
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3551728/ https://www.ncbi.nlm.nih.gov/pubmed/23173781 http://dx.doi.org/10.1186/1479-5868-9-137 |