Development and psychometric evaluation of the Thirst Distress Scale for patients with heart failure

Background: Patients with heart failure can experience thirst distress. However, there is no instrument to measure this in patients with heart failure. The aim of the present study was to develop the Thirst Distress Scale for patients with Heart Failure (TDS-HF) and to evaluate psychometric properti...

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Bibliographic Details
Published in:European journal of cardiovascular nursing : journal of the Working Group on Cardiovascular Nursing of the European Society of Cardiology 2018-03, Vol.17 (3), p.226-234
Main Authors: Waldréus, Nana, Jaarsma, Tiny, van der Wal, Martje HL, Kato, Naoko P
Format: Article
Language:English
Subjects:
Aged
Aged, 80 and over
Ambulatory Care Facilities
Beta blockers
Factor Analysis, Statistical
Female
Heart failure
Heart Failure - complications
Heart Failure - psychology
Humans
Japan
Male
Medicin och hälsovetenskap
Middle Aged
Netherlands
Psychometrics
Quantitative psychology
Reproducibility of Results
Stress, Psychological - diagnosis
Stress, Psychological - etiology
Surveys and Questionnaires
Sweden
Thirst
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Summary:Background: Patients with heart failure can experience thirst distress. However, there is no instrument to measure this in patients with heart failure. The aim of the present study was to develop the Thirst Distress Scale for patients with Heart Failure (TDS-HF) and to evaluate psychometric properties of the scale. Methods and results: The TDS-HF was developed to measure thirst distress in patients with heart failure. Face and content validity was confirmed using expert panels including patients and healthcare professionals. Data on the TDS-HF was collected from patients with heart failure at outpatient heart failure clinics and hospitals in Sweden, the Netherlands and Japan. Psychometric properties were evaluated using data from 256 heart failure patients (age 72±11 years). Concurrent validity of the scale was assessed using a thirst intensity visual analogue scale. Patients did not have any difficulties answering the questions, and time taken to answer the questions was about five minutes. Factor analysis of the scale showed one factor. After psychometric testing, one item was deleted. For the eight item TDS-HF, a single factor explained 61% of the variance and Cronbach’s alpha was 0.90. The eight item TDS-HF was significantly associated with the thirst intensity score (r=0.55, p
ISSN:1474-5151
1873-1953
1873-1953
DOI:10.1177/1474515117728624