期刊
SOCIAL SCIENCE & MEDICINE
卷 153, 期 -, 页码 81-89出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.socscimed.2016.01.030
关键词
Canada; Food accessibility; Socioeconomic status; Activity space; Mobility; Children; Health
资金
- Canadian Institute of Health Research Canadian Graduate Scholarship - Masters Award (CIHR CGS M)
- Built Environment, Obesity and Health Strategic Initiative of the Heart and Stroke Foundation
- Canadian Institutes of Health Research (CIHR)
- Canadian Institutes of Health Research-Public Health Agency of Canada Chair in Applied Public Health
Childhood overweight and obesity rates in Canada are at concerning levels, more apparently so for individuals of lower socioeconomic status (SES). Accessibility to food establishments likely influences patterns of food consumption, a contributor to body weight. Previous work has found that households living in lower income neighbourhoods tend to have greater geographical accessibility to unhealthy food establishments and lower accessibility to healthy food stores. This study contributes to the literature on neighbourhood inequalities in accessibility to healthy foods by explicitly focusing on children, an understudied population, and by incorporating mobility and time into metrics of accessibility. Accessibility to both healthy and unhealthy food retailing is measured within children's activity spaces using Road Network and Activity Location Buffering methods. Weekday vs. weekend accessibility to food establishments is then compared. The results suggest that children attending lower SES schools had almost two times the density of fast food establishments and marginally higher supermarket densities in their activity spaces. Children attending higher SES schools also had much larger activity spaces. All children had higher supermarket densities during weekdays than on weekend days. (C) 2016 Elsevier Ltd. All rights reserved.
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