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Translation, Cultural Adaptation, Validation, and Reliability of Persian-Revised Heart Failure Compliance Questionnaire



Vakhshoori M1 ; Bondariyan N2 ; Khanizadeh F3 ; Emami SA1 ; Azish S4 ; Rabbanipour N1 ; Shafie D1
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Authors Affiliations
  1. 1. Heart Failure Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran
  2. 2. Department of Clinical Pharmacy, School of Pharmacy, Shiraz University of Medical Sciences, Shiraz, Iran
  3. 3. Insurance Research Center, Tehran, Iran
  4. 4. Cardiac Rehabilitation Research Center, Cardiovascular Research Institute, Isfahan University of Medical Sciences, Isfahan, Iran

Source: Journal of Tehran University Heart Center Published:2022

Abstract

Background: Compliance with health-related behaviors is a dilemma among heart failure (HF) patients. The present study aimed to assess the validity and reliability of a Persian translation of the revised heart failure compliance questionnaire (RHFCQ) in Iranian HF sufferers. Methods: This methodological study was performed on outpatient HF individuals referred to a heart clinic in Isfahan, Iran. The forward-backward translation method was used for translation. Twenty subjects were invited to express their opinions on the provided items concerning simplicity and understandability. Twelve experts were invited to rate the items regarding the content validity index (CVI). Cronbach’s α was used to evaluate internal consistency. The patients were asked to complete the questionnaire for the second time after 2 weeks to investigate test-retest reliability using the intraclass correlation coefficient (ICC). Results: There were no obvious difficulties during the translation and assessment of the simplicity and comprehensiveness of the questionnaire items. The CVI of the items ranged from 0.833 to 1.000. Totally, 150 patients (age: 64.60±15.00 y, males: 58.0%) filled in the questionnaire twice with no missing data. The highest and lowest compliance rates were attributed to alcohol and exercise domains, respectively (83.00±7.70% and 45.55±12.00%, respectively). Cronbach’s α was 0.629. After the omission of 3 items related to smoking and alcohol cessation, Cronbach’s α rose to 0.655. The ICC showed an acceptable value of 0.576 (95% CI, 0.462 to 0.673). Conclusion: The modified Persian RHFCQ is a simple and meaningful tool with acceptable moderate reliability and good validity for assessing compliance in Iranian HF patients. © 2022 Tehran University of Medical Sciences. .
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