The association between driving safety and mild cognitive impairment: Self-reported driving accidents and traffic violations by elderly people with normal cognition and mild cognitive impairment.

[Speaker] Kawano, Naoko:1
[Co-author] Iwamoto, Kunihiro:1, Kurashina, Rie:1, Yamagishi, Misako:1, Aoki, Hirofumi:1, Kanamori, Hitoshi:1, Ozaki, Norio:1
1:Nagoya University (Japan)

Impact of cognitive deficits on driving safely in drivers with mild cognitive impairment (MCI) remains unclear. The association between driving safely and MCI was investigated in 24 current drivers with MCI, defined by psychometric tests, and 58 current drivers with healthy cognition (HC), selected from 88 potential participants recruited among community-dwelling elderly people. Participants were inquired about their history of driving accidents, traffic violations, and unrecorded driving mistakes during the past three years. Participants also performed cognitive screening tests and three driving simulation (DS) tasks. HC group reported more frequent traffic violations than MCI group (p = .047), whereas there were no statistically significant differences between groups in a self-reported frequency of driving accidents and unrecorded driving mistakes, total driving distance/week, and DS performance. These results suggest that not all the people with MCI are unsafe drivers. Moreover, the reliability of self-reports by persons with MCI should be further investigated.
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