Mild Cognitive Impairment and Driving Cessation

Driving cessation is associated with significant morbidity in older people. People with mild cognitive impairment (MCI) may be at particular risk of this | Dementia and Geriatric Cognitive Disorders

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Very little research has examined driving in this population. Given this, we sought to identify predictors of driving cessation in people with MCI.

One hundred and eighty-five people with MCI were recruited from 9 memory clinics around Australia. People with MCI and their carers reported their driving status and completed measures of cognition, function, neuropsychiatric symptoms, and medication use at regular intervals over a 3-year period.

Of the 144 people still driving at baseline, 50 (27.0%) stopped driving during the study. Older age, greater cognitive and functional impairment, and greater decline in cognition and function at 6 months predicted subsequent driving cessation. Twenty-nine of the 50 people (58%) who stopped driving were diagnosed with dementia during the study; all except one of whom ceased driving after their dementia diagnosis.

A significant proportion of people diagnosed with MCI stop driving over the following 3 years. This cannot be entirely attributed to developing dementia. Easily assessable characteristics – such as age, cognition, and function – and changes in these measures over 6 months predict driving cessation.

Full reference: Connors, M.H. et al. (2017) Mild Cognitive Impairment and Driving Cessation: A 3-Year Longitudinal Study. Dementia and Geriatric Cognitive Disorders. Vol. 44 (no. 1-2) pp. 63-70

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