期刊
INTERNATIONAL JOURNAL OF HEALTH GEOGRAPHICS
卷 13, 期 -, 页码 -出版社
BMC
DOI: 10.1186/1476-072X-13-51
关键词
Global positioning systems (GPS); Geographic information systems (GIS); Activity space; Mobility; Neighborhood attributes; Older adults
资金
- Canadian Institutes of Health Research [108607] Funding Source: Medline
- NICHD NIH HHS [T32 HD007168] Funding Source: Medline
Background: Measuring mobility is critical for understanding neighborhood influences on older adults' health and functioning. Global Positioning Systems (GPS) may represent an important opportunity to measure, describe, and compare mobility patterns in older adults. Methods: We generated three types of activity spaces (Standard Deviation Ellipse, Minimum Convex Polygon, Daily Path Area) using GPS data from 95 older adults in Vancouver, Canada. Calculated activity space areas and compactness were compared across sociodemographic and resource characteristics. Results: Area measures derived from the three different approaches to developing activity spaces were highly correlated. Participants who were younger, lived in less walkable neighborhoods, had a valid driver's license, had access to a vehicle, or had physical support to go outside of their homes had larger activity spaces. Mobility space compactness measures also differed by sociodemographic and resource characteristics. Conclusions: This research extends the literature by demonstrating that GPS tracking can be used as a valuable tool to better understand the geographic mobility patterns of older adults. This study informs potential ways to maintain older adult independence by identifying factors that influence geographic mobility.
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