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Overestimated crash risks of young and elderly drivers

Rolison, JJ and Moutari, S and Hewson, PJ and Hellier, E (2014) 'Overestimated crash risks of young and elderly drivers.' American Journal of Preventive Medicine, 46 (1). 58 - 64. ISSN 0749-3797

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Abstract

Background Young and elderly drivers are reported to have markedly greater crash rates than drivers of other ages, but they travel less frequently and represent a minority of road users. Consequently, many crashes involving young or elderly drivers also involve drivers of middle age ranges who travel more frequently. Purpose To examine crash rates of young and elderly drivers, controlling for ages of all drivers involved in collisions. Methods A retrospective longitudinal study conducted on population-wide two-vehicle crashes reported in Great Britain from 2002 through 2010 for driver age ranges (17-20, 21-29, 30-39, 40-49, 50-59, 60-69, ≥70 years) and individual driver ages among those aged 17-20 years. Annual trips made, recorded as part of a National Travel Survey, were used to estimate trip-based driver crash rates. Results Crash rates of drivers aged 17-20 years were not significantly different from crash rates of drivers aged 21-29 years (rate ratio=1.14; 95% CI=0.96, 1.33) when controlling for ages of both drivers involved in two-car collisions, and drivers aged 17 years had the lowest crash rate among drivers aged 17-20 years. Crash rates of drivers aged ≥70 years equaled crash rates of drivers aged 60-69 years (rate ratio=1.00; 95% CI=0.77, 1.32) and were 1.40 times (95% CI=1.10, 1.78) lower than crash rates of drivers aged 50-59 years. Conclusions The current findings are in contrast with reports of high crash risks among young and elderly drivers, and suggest that previous reports may have overestimated the crash risks of these drivers by failing to control for ages of all drivers involved in collisions. © 2014 American Journal of Preventive Medicine.

Item Type: Article
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Divisions: Faculty of Science and Health > Psychology, Department of
Depositing User: Jim Jamieson
Date Deposited: 28 Jul 2016 12:05
Last Modified: 30 Jan 2019 16:18
URI: http://repository.essex.ac.uk/id/eprint/17344

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