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Br J Ophthalmol. 2009 Mar;93(3):400-4. doi: 10.1136/bjo.2008.144584. Epub 2008 Nov 19.

Visual and medical risk factors for motor vehicle collision involvement among older drivers.

Author information

1
Department of Ophthalmology, School of Medicine, University of Alabama at Birmingham, 700 S. 18th Street, Suite 609, Birmingham, AL 35294-0009, USA. jmcross@uab.edu

Abstract

AIMS:

To identify visual and medical risk factors for motor vehicle collisions (MVCs).

METHODS:

Data from four cohorts of older drivers from three states were pooled (n = 3158). Health information was collected at baseline, and MVC data were obtained prospectively. Cox proportional hazards regression was used to estimate rate ratios (RRs) and 95% CIs for associations between medical characteristics and MVCs.

RESULTS:

A total of 363 MVCs were observed during the study period (1990-1997), of which 145 were at fault, and 62 were injurious. Falls and impaired useful field of view (UFOV) were positively associated with overall MVCs. At-fault MVCs were also positively associated with falls and UFOV impairment, and inversely with cancer. Injurious MVCs were positively associated with arthritis and neurological disease, and inversely with hypertension.

CONCLUSIONS:

These findings show similarities and differences across the risk factors for all, at-fault and injurious MVCs, and point to the need for verification and possible interventions.

PMID:
19019937
PMCID:
PMC2747632
DOI:
10.1136/bjo.2008.144584
[Indexed for MEDLINE]
Free PMC Article

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