The relations between specific measures of simulated driving ability and functional ability: New insights for assessment and training programs of older drivers |
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| Affiliation: | 1. Transportation Research Institute (IMOB), Hasselt University, Diepenbeek 3590, Belgium;2. Faculty of Applied Engineering Sciences, Hasselt University, Diepenbeek 3590, Belgium;3. Jessa Hospital, Geriatric Department, Hasselt 3500, Belgium;1. Delft University of Technology, Department of Biomechanical Engineering, Mekelweg 2, 2628 CD Delft, The Netherlands;2. SWOV Institute for Road Safety Research, PO Box 93113, 2509 AC The Hague, The Netherlands;3. Delft University of Technology, Department of Transport & Planning, Stevinweg 1, 2628 CN Delft, The Netherlands;1. School of Psychology, The University of Queensland, St Lucia, Brisbane QLD 4072, Australia;2. School of Medicine, The University of Queensland, Herston, Brisbane, Australia;1. School of Transportation Engineering, Tongji University, Shanghai 201804, China;2. The Key Laboratory of Road and Traffic Engineering, Ministry of Education, Shanghai 201804, China;3. Clinical Research Center for Mental Disorders, Chinese-German Institute of Mental Health, Shanghai Pudong New Area Mental Health Center, School of Medicine, Tongji University, Shanghai 200124, China;4. School of Civil and Construction Engineering, Oregon State University, 1491 SW Campus Way, Corvallis, OR 97333, United States;5. School of Humanities, Tongji University, 1239 Siping Road, Yangpu District, Shanghai 200092, China |
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| Abstract: | To gain new insights for driving assessment and training, this study had two objectives: (1) to investigate the relations between specific measures of older drivers’ driving ability and demographic/functional ability measures, and (2) to verify the explained variance of these relations to determine the strength of these relations. A sample of 55 older drivers (mean age 76 years) completed a set of functional ability tests as well as a driving simulator test. Results indicate that (1) each specific driving measure is related to a specific set of functional abilities, and (2) only a small proportion of the variability observed in the specific driving measures is explained by demographic variables (3–15%) and by functional abilities (7–36%). For driving assessment programs, it will be necessary to assess several functional abilities to cover the complexity of the driving task. Furthermore, an assessment program focusing solely on demographic and/or functional ability measures, will not be successful in discriminating safe from unsafe older drivers. For driving training programs, it will be necessary to focus on the right set of functional abilities given that specific driving measures are related to different functional abilities. Moreover, a training targeting functional abilities might only have marginal effects on driving ability, given the relatively low amount of driving ability variance that is explained by functional abilities. |
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| Keywords: | Older drivers Assessment Functional ability Driving simulator Training |
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