Journal
SPATIAL AND SPATIO-TEMPORAL EPIDEMIOLOGY
Volume 25, Issue -, Pages 1-9Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.sste.2017.12.003
Keywords
GPS; VERITAS; Activity locations; Activity space; Multiple exposures
Categories
Funding
- INPES (National Institute for Prevention and Health Education)
- Ministry of Ecology (DGITM)
- CERTU (Centre for the Study of Networks, Transport, Urbanism, and Public constructions)
- ARS (Health Regional Agency) of France Regional Council
- RATP (Paris Public Transport Operator)
- Ile-de-France, STIF (Ile-de-France Transport Authority)
- IDRIEA (Regional and Interdepartmental Direction for Equipment and Planning)
- Canadian Institutes of Health Research [CIHR-TOO-105427]
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Background: Accounting for daily mobility allows assessment of multiple exposure to environments. This study compares spatial data obtained (i) from an interactive map-based questionnaire on regular activity locations (VERITAS) and (ii) from GPS tracking. Methods: 234 participants of the RECORD GPS Study completed the VERITAS questionnaire and wore a GPS tracker for 7 days. Analyses illustrate the spatial match between both datasets. Results: For half of the sample, 85.5% of GPS data fell within 500 m of a VERITAS location. The median minimum distance between a VERITAS location and a GPS coordinate ranged from 0.4 m for home to slightly over 100 m for a recreational destination. Conclusions: There is a spatial correspondence between destinations collected through VERITAS and 7-day GPS tracking. Both collection methods offer complementary ways to assess daily mobilities, useful to study environmental determinants of health and health inequities. (C) 2018 Elsevier Ltd. All rights reserved.
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