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Journal Article

Citation

Huebner KD, Porter MM, Marshall SC. Traffic Injury Prev. 2006; 7(1): 76-80.

Affiliation

Faculty of Physical Education and Recreational Studies, University of Manitoba, Winnipeg, Manitoba, Canada.

Copyright

(Copyright © 2006, Informa - Taylor and Francis Group)

DOI

10.1080/15389580500413067

PMID

16484037

Abstract

Objective. This study sought to evaluate an on-board diagnostic system (CarChip) for collecting driving exposure data in older drivers.

Methods. Drivers (N = 20) aged 60 to 86 years from Winnipeg and surrounding communities participated. Information on driving exposure was obtained via the CarChip and global positioning system (GPS) technology on a driving course, and obtained via the CarChip and surveys over a week of driving. Velocities and distances were measured over the road course to validate the accuracy of the CarChip compared to GPS for those parameters.



Results. The results show that the CarChip does provide valid distance measurements and slightly lower maximum velocities than GPS measures. From the results obtained in this study, it was determined that retrospective self-reports of weekly driving distances are inaccurate.



Conclusions. Therefore, an on-board diagnostic system (OBDII) electronic device like the CarChip can provide valid and detailed information about driving exposure that would be useful for studies of crash rates or driving behavior.

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