Validity and Reliability Evaluation of the Persian Version of the Heart Failure-Specific Health Literacy Scale.
Majid Barati, Zahra Taheri-Kharameh, Zahra Farghadani and 1 others
PMID 31341921WHAT IT FOUND
A 12-item Persian heart failure health literacy scale was found to measure what it intended in 100 hospitalized patients.
Nurses can use it to check whether patients can understand HF self-care information before teaching.
Key findings
01The final Persian instrument included 12 items covering functional, communicative and critical heart failure health literacy.
02Expert review accepted every item, with relevance scores above 0.80 and essentiality scores above 0.78.
03When 10 patients completed the scale again after two weeks, their answers were stable, with agreement values from 0.78 to 0.90.
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The patients were selected purposively, not randomly, from one teaching hospital in Qom, Iran, so the results may not apply to other settings. Only 100 patients were included, and test-retest stability was checked in 10 patients. Participants had to speak Persian, be older than 18 years, have an ejection fraction below 40 percent, and have no psychiatric or cognitive disease, so the scale was not evaluated in other languages or in people with cognitive problems. The study did not test whether using the scale improves heart failure self-care, adherence or health outcomes. The paper did not evaluate the scale's sensitivity or specificity.
The easy way to misread this
Do not read this as proof that using the scale improves heart failure self-care or outcomes. It was validated in 100 hospitalized Persian-speaking patients in Qom, Iran, and no intervention was tested.