Turkish Version of the Dutch Heart Failure Knowledge Scale: Validity and Reliability

Objective: To determine the validity and reliability of the Turkish version of the Dutch Heart Failure Knowledge Scale. Methodology: The cross sectional study was composed of patients who were followed up in cardiology clinics of a university hospital in Malatya. Consecutive patients were enrolled in the study. Data were collected using Dutch Heart Failure Knowledge Scale, along with a questionnaire regarding demographic properties. The scale consisted of 15 items, and every item was scored as either 0 or 1. Confirmatory Factor Analysis and Exploratory Factor Analysis were applied to assessed the Scale validity. Results: Dutch Heart Failure Knowledge Scale reliability was assessed with Cronbach’s alpha internal consistency coefficient, item-total score correlation, and test-retest analysis, which ranged between 0.70-0.82, 0.54-0.86, and 0.30-0.52, respectively. Conclusion: The results of Confirmatory Factor Analysis and Exploratory Factor Analysis supported the single factor scale structure and Confirmatory Factor Analysis yielded good fit indices. The Dutch Heart Failure Knowledge Scale Turkish version is valid, reliable.