A Naturalistic Study of Driving Behavior in Older Adults and Preclinical Alzheimer Disease: A Pilot Study

Ganesh M. Babulal; Sarah H. Stout; Tammie L.S. Benzinger; Brian R. Ott; David B. Carr; Mollie Webb; Cindy M. Traub; Aaron Addison; John C. Morris; David K. Warren; Catherine M. Roe

doi:10.1177/0733464817690679

A Naturalistic Study of Driving Behavior in Older Adults and Preclinical Alzheimer Disease: A Pilot Study

Ganesh M. Babulal, Sarah H. Stout, Tammie L.S. Benzinger, Brian R. Ott, David B. Carr, Mollie Webb, Cindy M. Traub, Aaron Addison, John C. Morris, David K. Warren, Catherine M. Roe

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31 Scopus citations

Abstract

A clinical consequence of symptomatic Alzheimer’s disease (AD) is impaired driving performance. However, decline in driving performance may begin in the preclinical stage of AD. We used a naturalistic driving methodology to examine differences in driving behavior over one year in a small sample of cognitively normal older adults with (n = 10) and without (n = 10) preclinical AD. As expected with a small sample size, there were no statistically significant differences between the two groups, but older adults with preclinical AD drove less often, were less likely to drive at night, and had fewer aggressive behaviors such as hard braking, speeding, and sudden acceleration. The sample size required to power a larger study to determine differences was calculated.

Original language	English
Pages (from-to)	277-289
Number of pages	13
Journal	Journal of Applied Gerontology
Volume	38
Issue number	2
DOIs	https://doi.org/10.1177/0733464817690679
State	Published - Feb 1 2019

Keywords

Alzheimer’s disease
driving
naturalistic methodology
older adults

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10.1177/0733464817690679

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title = "A Naturalistic Study of Driving Behavior in Older Adults and Preclinical Alzheimer Disease: A Pilot Study",

abstract = "A clinical consequence of symptomatic Alzheimer{\textquoteright}s disease (AD) is impaired driving performance. However, decline in driving performance may begin in the preclinical stage of AD. We used a naturalistic driving methodology to examine differences in driving behavior over one year in a small sample of cognitively normal older adults with (n = 10) and without (n = 10) preclinical AD. As expected with a small sample size, there were no statistically significant differences between the two groups, but older adults with preclinical AD drove less often, were less likely to drive at night, and had fewer aggressive behaviors such as hard braking, speeding, and sudden acceleration. The sample size required to power a larger study to determine differences was calculated.",

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AU - Babulal, Ganesh M.

AU - Stout, Sarah H.

AU - Benzinger, Tammie L.S.

AU - Ott, Brian R.

AU - Carr, David B.

AU - Webb, Mollie

AU - Traub, Cindy M.

AU - Addison, Aaron

AU - Morris, John C.

AU - Warren, David K.

AU - Roe, Catherine M.

N1 - Publisher Copyright: © The Author(s) 2017.

PY - 2019/2/1

Y1 - 2019/2/1

N2 - A clinical consequence of symptomatic Alzheimer’s disease (AD) is impaired driving performance. However, decline in driving performance may begin in the preclinical stage of AD. We used a naturalistic driving methodology to examine differences in driving behavior over one year in a small sample of cognitively normal older adults with (n = 10) and without (n = 10) preclinical AD. As expected with a small sample size, there were no statistically significant differences between the two groups, but older adults with preclinical AD drove less often, were less likely to drive at night, and had fewer aggressive behaviors such as hard braking, speeding, and sudden acceleration. The sample size required to power a larger study to determine differences was calculated.

AB - A clinical consequence of symptomatic Alzheimer’s disease (AD) is impaired driving performance. However, decline in driving performance may begin in the preclinical stage of AD. We used a naturalistic driving methodology to examine differences in driving behavior over one year in a small sample of cognitively normal older adults with (n = 10) and without (n = 10) preclinical AD. As expected with a small sample size, there were no statistically significant differences between the two groups, but older adults with preclinical AD drove less often, were less likely to drive at night, and had fewer aggressive behaviors such as hard braking, speeding, and sudden acceleration. The sample size required to power a larger study to determine differences was calculated.

KW - Alzheimer’s disease

KW - driving

KW - naturalistic methodology

KW - older adults

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A Naturalistic Study of Driving Behavior in Older Adults and Preclinical Alzheimer Disease: A Pilot Study

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Keywords

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