Cognitive basis about risk level classifications for the self-assessment of older drivers.
Seong Youl Choi, Jae Shin Lee
PMID 28356619WHAT IT FOUND
Older drivers who self-rated as stop had slower switching on a cognitive test and lower overall cognitive scores than safe or caution groups.
The study compared cognitive scores, not accident outcomes.
Key findings
01Older drivers classified as stop by Driver 65 Plus had slower TMT-B and lower total MOCA-K scores than safe and caution groups.
02The safe group had higher naming, attention, and language scores than the stop group, and higher delayed recall scores than the caution and stop groups.
03The caution group showed higher ability on TMT-B and total MOCA-K than the stop group.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The study analysed only 46 older drivers, and the stop group had only 8 participants. The groups were created by self-assessment, so the findings do not show that Driver 65 Plus predicts actual driving safety. The study did not measure driving performance, road behaviour, or accident outcomes. The sample came from a senior citizens’ centre in Korea, so it may not apply to other older driver groups. The paper reports no funding or conflicts of interest.
The easy way to misread this
Do not conclude that the self-assessment prevents accidents or proves someone is safe to drive. It sorted older drivers into self-assessed risk groups, and the study only compared cognitive test scores, not driving performance or accident outcomes.