Cross-cultural adaptation and construct validity of the Korean version of a physical activity measure for community-dwelling elderly.
Bongsam Choi
PMID 29410593WHAT IT FOUND
The Korean physical activity measure ranked community-dwelling elders' daily tasks from easy to hard and matched elders with lower and moderate ability, but it topped out for some high-ability people.
Key findings
01The ADL items worked together consistently, with person separation reliability 0.93 before deletion of 16 misfit items and 0.94 after deletion.
02Sixteen of 51 basic ADL items did not fit the Rasch model, while 35 items fit.
03The measure topped out for 27 of 138 elders. It may not capture very high-functioning community-dwelling older adults.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The sample came from local health promotion centers, so many participants may already have been physically active. High ceiling effects occurred for 27 of 138 elders, so the measure may not distinguish very high-functioning people. Sixteen of 51 ADL items did not fit the Rasch model, so the item set needs further work. The study analysed basic ADL items, not all 155 questionnaire items. The translation excluded 100 English items for cultural unsuitability, so the Korean version may not cover the original item pool in the same way.
Declared interests
Funded by the Woosong University Research Fund. The author declared no conflict of interest.
The easy way to misread this
Do not assume this Korean ADL measure is ready for all community-dwelling older adults. It topped out for 27 of 138 participants, and 16 of 51 ADL items did not fit the model.