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Validation of Brief Screening Tools to Identify Impaired Driving Among Older Adults in Australia.


ABSTRACT: Importance:There is an urgent need to develop evidence-based assessments to identify older individuals who may be unsafe drivers. Objective:To validate 8 off-road brief screening tests to predict on-road driving ability and to identify which combination of these provides the best prediction of older adults who will not pass an on-road driving test. Design, Setting, and Participants:This prognostic study was conducted between October 31, 2013, and May 10, 2017, using the criterion standard for screening tests, an on-road driving test, with analysis conducted from August 1, 2019, to April 2, 2020. A volunteer sample of older drivers was recruited from community advertisements, rehabilitation and driver assessment clinics, and an optometry clinic in Canberra and Brisbane, Australia. Exposures:Off-road driver screening measures, including the Useful Field of View, DriveSafe/DriveAware, Multi-D battery, Trails B, Maze test, Hazard Perception Test, DriveSafe Intersection test, and 14-item Road Law test. Main Outcomes and Measures:Classification as unsafe on a standardized 50-minute on-road driving assessment administered by a driving instructor and an occupational therapist masked to the participant's clinical diagnosis and off-road test performance. Results:A total of 560 drivers aged 63 to 94 years (mean [SD] age, 74.7 [6.2] years]; 350 [62.5%] men) were assessed. Logistic regression and receiver operating characteristic analyses indicated the area under the curve was largest for a multivariate model comprising the Multi-D, Useful Field of View, and Hazard Perception Test, with an area under the curve of 0.89 (95% CI, 0.85-0.94), sensitivity of 80.4%, and specificity of 84.1% for predicting unsafe drivers. The Multi-D battery was the most accurate individual assessment and had an area under the curve of 0.85 (95% CI, 0.79-0.90), sensitivity of 77.1%, and specificity of 82.1%. The multivariate model had sensitivity of 83.3% and specificity of 91.8% in the cognitively impaired group and sensitivity of 87.5% and specificity of 70.8% in the visually impaired group. Conclusions and Relevance:These findings suggest that off-road screening tests can reliably identify older drivers with a strong probability of failing an on-road driving test. Implementation of these measures could enable better targeting of resources for managing older driver licensing and support injury prevention strategies in this group.

SUBMITTER: Anstey KJ 

PROVIDER: S-EPMC7301240 | biostudies-literature | 2020 Jun

REPOSITORIES: biostudies-literature

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Validation of Brief Screening Tools to Identify Impaired Driving Among Older Adults in Australia.

Anstey Kaarin J KJ   Eramudugolla Ranmalee R   Huque Md Hamidul MH   Horswill Mark M   Kiely Kim K   Black Alex A   Wood Joanne J  

JAMA network open 20200601 6


<h4>Importance</h4>There is an urgent need to develop evidence-based assessments to identify older individuals who may be unsafe drivers.<h4>Objective</h4>To validate 8 off-road brief screening tests to predict on-road driving ability and to identify which combination of these provides the best prediction of older adults who will not pass an on-road driving test.<h4>Design, setting, and participants</h4>This prognostic study was conducted between October 31, 2013, and May 10, 2017, using the cri  ...[more]

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