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Comparison of self-reported crashes, state crash records and an on-road driving assessment in a population-based sample of drivers aged 69-95 years

Anstey, Kaarin J., Wood, Joanne, Caldwell, Haley, Kerr, Graham K., & Lord, Stephen R. (2009) Comparison of self-reported crashes, state crash records and an on-road driving assessment in a population-based sample of drivers aged 69-95 years. Traffic Injury Prevention, 10(1), pp. 84-90.

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Abstract

Objective

The study evaluated associations between outcome measures used in driving research including self-reported crashes, state crash records, and an on-road driving test (ORT).

Method

A total of 750 community dwelling participants aged 69 to 95 were recruited via the electoral roll into a study on injury prevention. Of these, 509 were drivers, and data on self-reported crashes, and either state crash records, or an on-road assessment were available for 488. Crash history data were obtained from state records (five-year retrospective and twelve-month prospective), retrospective self-report (five-year) and prospective monthly injury diaries (twelve months). A subsample completed an on-road driving test.

Results

During the last five years, 22.3% reported a crash, 10.0% reported a crash in the twelve-month follow-up period, 3.2% of the sample had state crash records during the previous five years, and 0.6% had state-recorded crashes during the twelve-month follow-up period. State crash records did not agree with any other outcome measure. Those who scored 5 or less on the ORT were more likely to report a crash in the past five years (55.4% vs. 36.8%; p = .009). Results did not differ when participants with probable dementia were excluded (n = 2).

Conclusion

The results suggest that caution should be applied when using state crash records as an outcome measure in driving research and suggest that in the Australian context, retrospective self-reported crashes over five years are preferable when objective measures of driving performance are unavailable.

Impact and interest:

11 citations in Scopus
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12 citations in Web of Science®

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Full-text downloads:

6 since deposited on 26 May 2009
5 in the past twelve months

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ID Code: 20426
Item Type: Journal Article
Additional URLs:
Keywords: Driving safety, On-road driving performance, Validity, Ageing, Self-reports
DOI: 10.1080/15389580802486399
ISSN: 1538-9588
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Current > Schools > School of Exercise & Nutrition Sciences
Current > Schools > School of Optometry & Vision Science
Copyright Owner: Copyright 2009 Taylor & Francis
Deposited On: 26 May 2009 10:25
Last Modified: 20 Mar 2014 04:13

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