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Driving practice effects for older drivers with mild cognitive impairment: A preliminary study
Yung-Hsiang Cheng1, Ming-Chyi Pai2,3, Bin-Huei Shih4
1Department of Transportation and Communication Management Science, National Cheng Kung University, Tainan, Taiwan.
Background:
Older drivers with mild cognitive impairment (MCI) often show declining driving performance. Evidence is lacking regarding whether their driving skills can be improved after practice.
Aims/Objectives:
To compare the practice effects of older drivers with MCI and drivers with normal cognition in an unfamiliar, standardized driving course with three practices.
Materials And Methods:
Single-blind two-group observational design. Twelve drivers with confirmed MCI as the experimental group and ten with normal cognition (NC) as the control, all ≥ 55 years old. The primary outcome was to assess the practice effects, measured with an in-car global-positioning-system mobile application to compare the speed and directional control of a complex manoeuvre after practices. Secondary outcomes were to assess the pass/fail rate and mistakes observed for the 3rd/final on-road driving practice. No instructions were given during practice. Descriptive statistics and the Mann-Whitney U test were used for data analysis.
Results:
No significant inter-group difference in the pass/fail rate and number of mistakes. Some MCI drivers performed better in the speed and directional control of the S-Bend manoeuvre after practices.
Conclusions:
The driving performance of drivers with MCI may improve with practice.
Significance:
Older drivers with MCI may potentially benefit from driver retraining.
Clinical Trial Registration:
ClinicalTrials.gov (Identifier: NCT04648735).
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