Age-based license laws best way to keep drivers with dementia off the road

Researchers say the best ways to keep drivers with dementia off the road are age-based requirements, including in-person license renewal and stricter vision testing. Photo by Dino Kužnik/Wikimedia Commons

SATURDAY, Feb. 3, 2018 (HealthDay News)– Don’t count on physicians to keep drivers with dementia off the roads, a new study cautions.

In-person license renewal and driver vision testing laws are more effective than mandatory doctor reporting of patients with dementia, researchers found.

“The results of our study point to age-based licensing requirements as an effective way to improve safety,” said study co-author Steven Albert, of the University of Pittsburgh’s Graduate School of Public Health.

“But such requirements also may cause social isolation and depression, and may be seen as ageist and discriminatory,” said Albert, chair of behavioral and community health sciences.

Further study might determine the best approach to ensure safe driving without harming the mental health of older adults, he added in a university news release.

For this study, researchers analyzed 2004-09 data on nearly 137,000 older drivers in the United States who were hospitalized after a crash.

They found that hospitalized drivers, ages 60 to 69, in states with in-person license renewal laws were about 38 percent less likely to have dementia than those in states without such laws.

Also, in states with vision testing at license renewal, drivers were 23 to 28 percent less likely to have dementia than those in states without vision testing requirements, the study found.

Laws requiring doctors to report drivers with dementia were not linked with a lower chance of dementia among hospitalized older drivers, according to the study.

The findings were surprising “as we know that older drivers stop driving based on the advice of their physicians and, if reported to licensing authorities, few regain driving privileges,” said study lead author Yll Agimi.

Agimi conducted the study while a doctoral student at Pitt Health.

The results were published Jan. 31 in the journal Neurology.

More information

The Family Caregiver Alliance has more on dementia and driving.


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