Document Detail

Using geospatial technologies to explore activity-based retail food environments.
MedLine Citation:
PMID:  23149325     Owner:  NLM     Status:  Publisher    
Several studies have demonstrated relationships between neighborhood-level retail food environments and obesity, race/ethnicity, and socioeconomic status. Most, however, have been limited by the use of residential neighborhoods to define food environments. This study recruited 121 participants to supply three days of Global Positioning System (GPS) tracking data to explore daily activity spaces and food environments. Participants also answered two surveys regarding personal characteristics, and diet and food purchasing. Several food environment measures were calculated for food locations within a half-mile of their GPS tracks. Non-parametric statistics examined (1) differences between activity- and neighborhood-based food environments, (2) associations between personal characteristics and activity-based food environments, and (3) associations between diet, purchasing, and activity-based food environments. Activity- and neighborhood-based food environments were significantly different. Several associations were observed among activity-based food environment measures and personal characteristics. Dietary intake, food purchasing, and obesity were associated with some activity-based food environment measures.
W Jay Christian
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-9-21
Journal Detail:
Title:  Spatial and spatio-temporal epidemiology     Volume:  3     ISSN:  1877-5853     ISO Abbreviation:  Spat Spatiotemporal Epidemiol     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-11-14     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101516571     Medline TA:  Spat Spatiotemporal Epidemiol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  287-295     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Department of Geography, 821 Patterson Office Tower, University of Kentucky, Lexington, KY 40506, United States. Electronic address:
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