Development and Psychometric Evaluation of the End-Stage Renal Disease Adherence Questionnaire-Short Form: English, Spanish, and Korean Versions.
Youngmee Kim, Won-Kyung Cho, Jooyoun Song and 2 others
PMID 42484529WHAT IT FOUND
A nine-item questionnaire for dialysis patients was rated highly relevant by experts, separated known adherers from non-adherers, and stayed stable over seven days.
It may speed adherence checks but has no cutoff.
Key findings
01All nine items received item-level content validity index scores of 1.00 from seven experts.
02In 63 patients on maintenance hemodialysis, the six direct adherence items separated known adherers from non-adherers (p < 0.001-0.021).
03In six patients, the short form stayed stable after seven days (ICC = 0.937, p = 0.006).
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
Construct validity and test-retest reliability were tested only in the Korean version, in 63 patients from dialysis centers in South Korea. The test-retest sample was only six patients, so stability is based on a very small group. The study did not compare scores with clinical outcomes or provide a cutoff for adherence. The short form omits general patient information, understanding of recommendations, and perception items, so it may miss broader reasons for non-adherence. Participants were independent in self-care, not institutionalized, and had at least three months of hemodialysis, so results may not apply to more dependent or newly started patients.
The easy way to misread this
Do not read this as evidence that the questionnaire improves adherence or that a score diagnoses non-adherence. The study tested measurement properties in 63 Korean patients, and no cutoff values were provided.