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Comparing the Data Quality of Global Positioning System Devices and Mobile Phones for Assessing Relationships Between Place, Mobility, and Health: Field Study

Comparing the Data Quality of Global Positioning System Devices and Mobile Phones for Assessing Relationships Between Place, Mobility, and Health: Field Study

Participant demographics and technology ownership (N=21). a More than one response possible. Missing data analysis results. a N/A: not applicable. Spatial accuracy analysis. Activity space comparison from travel route buffer. a1 ha=10,000 m2. b S: subject. Illustrative examples of this analysis are shown in the first two columns of Figure 1 for participants with extreme (S14 and S23) and minor differences (S26 and S9) in daily paths.

Robert Goodspeed, Xiang Yan, Jean Hardy, VG Vinod Vydiswaran, Veronica J Berrocal, Philippa Clarke, Daniel M Romero, Iris N Gomez-Lopez, Tiffany Veinot

JMIR Mhealth Uhealth 2018;6(8):e168

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