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首页> 外文期刊>Annals of epidemiology >Do GIS-derived measures of fast food retailers convey perceived fast food opportunities? Implications for food environment assessment
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Do GIS-derived measures of fast food retailers convey perceived fast food opportunities? Implications for food environment assessment

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Purpose: Geographic information systems (GISs) have been used to define fast food availability, with higher availability perhaps promoting poorer quality diets. Alternative measures involve perceptions; however, few studies have examined associations between GIS-derived and perceived measures of the food environment.

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