Relationship between frontal assessment battery scores and activities of daily living/instrumental activities of daily living ability in older adults.
Shinya Hisano
PMID 30349156WHAT IT FOUND
Higher FAB scores were strongly related to higher ADL/IADL functional age in 85 Japanese older adults.
Mean FAB score was 9.1 points and mean functional age was 6.3 years, but this is association, not proof.
Key findings
01FAB scores and functional age were significantly correlated (rs=0.80; p<0.001).
02Functional age could be estimated from FAB score using the equation functional age (years) = 0.56 × FAB score + 1.19; R2 was 0.64.
03Mean FAB score was 9.1 ± 4.9 points, and mean functional age was 6.3 ± 3.4 years.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The sample was small, and the authors said the results may not be generalizable to other regions and countries. The study did not analyze results separately for participants with and without dementia. The design was cross-sectional, so it cannot show that FAB scores cause ADL/IADL ability. People with communication difficulties, severe anxiety, or aversion to cognitive tests were excluded, so the results may not apply to those people. The ADL/IADL functional age was partly based on observation and information from family members or caregivers, not only direct testing.
Declared interests
The authors declared no conflict of interest. No funding source is stated in the supplied text.
The easy way to misread this
Do not read the regression equation as proof that a low FAB score causes poor ADL/IADL ability. The study was cross-sectional, included 85 older adults in Japan, and did not analyze results separately for people with and without dementia.