The on-road difficulties of older drivers and their relationship with self-reported motor vehicle crashes

Joanne M. Wood, Kaarin J. Anstey, Philippe F. Lacherez, Graham K. Kerr, Kerry Mallon, Stephen R. Lord

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    36 Citations (Scopus)

    Abstract

    Objectives: To quantify the driving difficulties of older adults using a detailed assessment of driving performance and to link this with self-reported retrospective and prospective crashes. Design: Prospective cohort study. SETTING: On-road driving assessment. Participants: Two hundred sixty-seven community-living adults aged 70 to 88 randomly recruited through the electoral roll. Measurements: Performance on a standardized measure of driving performance. RESULTS: Lane positioning, approach, and blind spot monitoring were the most common error types, and errors occurred most frequently in situations involving merging and maneuvering. Drivers reporting more retrospective or prospective crashes made significantly more driving errors. Driver instructor interventions during self-navigation (where the instructor had to brake or take control of the steering to avoid an accident) were significantly associated with higher retrospective and prospective crashes; every instructor intervention almost doubled prospective crash risk. Conclusion: These findings suggest that on-road driving assessment provides useful information on older driver difficulties, with the self-directed component providing the most valuable information.

    Original languageEnglish
    Pages (from-to)2062-2069
    Number of pages8
    JournalJournal of the American Geriatrics Society
    Volume57
    Issue number11
    DOIs
    Publication statusPublished - Nov 2009

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