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The Canadian Safe Driving Study-Phase I pilot: Examining potential logistical barriers to the full cohort study
Shawn C Marshall1, Keith G Wilson, Malcolm Man-Son-Hing
1Ottawa Hospital Research Institute, University of Ottawa, Ottawa, Ont., Canada.
Accident; Analysis and Prevention
|May 16, 2013
Summary
Identifying medically unfit older drivers requires longitudinal studies. The Canadian Safe Driving Study-phase I pilot (Candrive I) demonstrated that such research is feasible, addressing potential logistical barriers in older driver research.
Area of Science:
- Gerontology
- Traffic Safety
- Clinical Epidemiology
Background:
- Organizations seek reliable methods to identify medically unfit older drivers.
- Developing clinical decision rules necessitates longitudinal data from older driver cohorts.
Purpose of the Study:
- To identify potential design, sampling, and data collection barriers in longitudinal studies of older drivers.
- To assess the feasibility of conducting a large-scale prospective cohort study on older driver safety.
Main Methods:
- Analysis of the Canadian Safe Driving Study-phase I pilot (Candrive I).
- Convenience sample of 100 active older drivers (≥70 years); 94 completed 1 year of data collection.
- Data included driving behaviors, cognitive, physical, and mental functioning; driving records obtained from MTO.
Main Results:
- High retention rate (94%) achieved.
- Increased illness burden observed with more diagnoses and medication use.
- Motor vehicle collision rate in the study was comparable to the general Ontario rate for older drivers.
Conclusions:
- Logistical and practical barriers to studying older drivers longitudinally are addressable.
- Feasibility of a large prospective cohort study on older drivers is supported.
- This research informs the development of screening methods for medically unfit older drivers.
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