期刊
HEALTH & PLACE
卷 30, 期 -, 页码 215-225出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.healthplace.2014.09.007
关键词
Neighborhood; Activity space; Food environment; GIS
资金
- Centers for Disease Control and Prevention (CDC) [5U48DP001944]
- National Institutes of Health/National Cancer Institute (NIH/NCI) [5R03CA155362-02]
Greater accessibility to geospatial technologies has led to a surge of spatialized public health research, much of which has focused on food environments. The purpose of this study was to analyze differing spatial measures of exposure to supermarkets and farmers markets among women of reproductive age in eastern North Carolina. Exposure measures were derived using participant-defined neighborhoods, investigator-defined road network neighborhoods, and activity spaces incorporating participants' time space behaviors. Results showed that mean area for participant-defined neighborhoods (0.04 sq miles) was much smaller than 2.0 mile road network neighborhoods (3.11 sq. miles) and activity spaces (26.36 sq. miles), and that activity spaces provided the greatest market exposure. The traditional residential neighborhood concept may not be particularly relevant for all places. Time-space approaches capturing activity space may be more relevant, particularly if integrated with mixed methods strategies. (C) 2014 Elsevier Ltd. All rights reserved.
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