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Driving Cessation and Cognitive Dysfunction in Patients with Mild Cognitive Impairment
Jung-Min Pyun1, Min Ju Kang2, Sohee Kim3
1Department of Neurology, Seoul National University College of Medicine and Seoul National University Bundang Hospital, Seongnam-si 13620, Korea. pyun.jungmin5@gmail.com.
Journal of Clinical Medicine
|December 16, 2018
Summary
Driving cessation in mild cognitive impairment (MCI) is linked to cognitive decline. Poor performance on the digit span backward test, indicating reduced working memory, predicts driving cessation in MCI patients.
Area of Science:
- Neuroscience
- Public Health
- Gerontology
Background:
- Driving cessation in adults with cognitive impairment is a significant public health issue.
- Limited understanding exists regarding indicators of driving cessation in individuals with mild cognitive impairment (MCI).
Purpose of the Study:
- To determine the prevalence of driving cessation among patients with MCI.
- To identify cognitive performance predictors of driving cessation in MCI patients.
Main Methods:
- Recruited 135 participants aged 51-80 with MCI (Clinical Dementia Rating 0.5) who were current or former drivers.
- Conducted comprehensive cognitive assessments and obtained driving status via systematic interviews.
- Utilized univariate and multivariate logistic regression analyses to identify predictors of driving cessation.
Main Results:
- 68.9% of participants were current drivers, and 31.1% were former drivers.
- Former drivers exhibited poorer scores on digit span backward and categorical fluency tests compared to current drivers.
- A poor digit span backward test score (impaired working memory) was significantly associated with driving cessation (OR: 0.493, 95% CI: 0.258–0.939).
Conclusions:
- Impaired working memory capacity, as indicated by poor digit span backward test performance, is associated with an increased likelihood of driving cessation in individuals with MCI.
- The digit span backward test is a valuable tool for assessing driving cessation risk in MCI patients.
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