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. 2015 Jan;43(1):48-56.
doi: 10.1249/JES.0000000000000035.

A framework for using GPS data in physical activity and sedentary behavior studies

Marta M Jankowska  1 , Jasper Schipperijn, Jacqueline Kerr
Affiliations

A framework for using GPS data in physical activity and sedentary behavior studies

Marta M Jankowska et al. Exerc Sport Sci Rev. 2015 Jan.

Abstract

Global Positioning Systems (GPS) are applied increasingly in activity studies, yet significant theoretical and methodological challenges remain. This article presents a framework for integrating GPS data with other technologies to create dynamic representations of behaviors in context. Using more accurate and sensitive measures to link behavior and environmental exposures allows for new research questions and methods to be developed.

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Conflict of interest statement

No conflicts of interest.

Figures

Figure 1
Figure 1
Sensitivity and accuracy of various methodological combinations for assessing environmental exposure as individuals engage in physical activity and sedentary behavior.
Figure 2
Figure 2
Framework for integration of GPS, accelerometer, and GIS technology.
Figure 3
Figure 3
Theoretical visualization of the smoothing effect of kernel density estimation (left) and application in practice to one total day of GPS data (right).
Figure 4
Figure 4
Hiking ‘locations’ extracted using three different location detection algorithms, two identifying stops and the third identifying a physical activity space.
See this image and copyright information in PMC

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