Geographic measures of retail food outlets and perceived availability of healthy foods in neighbourhoods

Timothy L Barnes, Darcy A. Freedman, Bethany A. Bell, Natalie Colabianchi, Angela D. Liese

Research output: Contribution to journalArticle

8 Citations (Scopus)

Abstract

Objective To examine associations between geographic measures of retail food outlets and perceived availability of healthy foods. Design Cross-sectional. Setting A predominantly rural, eight-county region of South Carolina, USA. Subjects Data from 705 household shoppers were analysed using ordinary least-squares regression to examine relationships between geographic measures (presence and distance) of food outlets obtained via a geographic information system and perceived availability of healthy foods (fresh fruits and vegetables and low-fat foods). Results The presence of a supermarket within an 8·05 km (5-mile) buffer area was significantly associated with perceived availability of healthy foods (β=1·09, P=0·025) when controlling for all other food outlet types. However, no other derived geographic presence measures were significant predictors of perceived availability of healthy foods. Distances to the nearest supermarket (β=-0·16, P=0·003), dollar and variety store (β=-0·15, P=0·005) and fast-food restaurant (β=0·11, P=0·015) were all significantly associated with perceptions of healthy food availability. Conclusions Our results suggest that distance to food outlets is a significant predictor of healthy food perceptions, although presence is sensitive to boundary size. Our study contributes to the understanding and improvement of techniques that characterize individuals' food options in their community.

Original languageEnglish (US)
Pages (from-to)1368-1374
Number of pages7
JournalPublic health nutrition
Volume19
Issue number8
DOIs
StatePublished - Jun 1 2016

Fingerprint

Food
Fast Foods
Restaurants
Geographic Information Systems
Least-Squares Analysis
Vegetables
Fruit
Buffers
Fats

Keywords

  • Food environment
  • Food outlets
  • Geographic
  • Healthy foods
  • Perceptions

Cite this

Geographic measures of retail food outlets and perceived availability of healthy foods in neighbourhoods. / Barnes, Timothy L; Freedman, Darcy A.; Bell, Bethany A.; Colabianchi, Natalie; Liese, Angela D.

In: Public health nutrition, Vol. 19, No. 8, 01.06.2016, p. 1368-1374.

Research output: Contribution to journalArticle

Barnes, Timothy L ; Freedman, Darcy A. ; Bell, Bethany A. ; Colabianchi, Natalie ; Liese, Angela D. / Geographic measures of retail food outlets and perceived availability of healthy foods in neighbourhoods. In: Public health nutrition. 2016 ; Vol. 19, No. 8. pp. 1368-1374.
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