Validity and reliability of the left ventricular assist device self-care behaviour scale

Naoko P Kato, Semyon Melnikov, Quin E Denfeld, Jesus Casida, Anna Strömberg, Tuvia Ben-Gal, Christopher S Lee and Tiny Jaarsma

PLOS ONE, 2023, vol. 18, issue 2, 1-16

Abstract: Background: Adequate self-care behaviour is essential for patients with a left ventricular assist device (LVAD) to prevent complications, prolong life, and optimise quality of life. However, there were no valid and reliable measurements available to assess self-care behaviour among patients with LVAD. We have previously developed the 33-item LVAD self-care behaviour scale. Objectives: To evaluate psychometric properties of the 33-item LVAD self-care behaviour scale. Methods and results: Data on 127 patients with a LVAD in Israel, Japan, and the USA were analysed (mean age 51±14.3, 81% male). Exploratory factor analysis extracted three factors, and 13 items were excluded from the scale. Internal consistency assessed by Cronbach’s alpha was acceptable for the total scale (α = 0.80) and the three subscales: Factor 1: Monitoring (α = 0.81), Factor 2: Heart failure self-care (α = 0.67), and Factor 3: LVAD self-care (α = 0.63). The 20-item version of the LVAD self-care behaviour scale had sufficient convergent validity with another scale that assessed self-care related to the driveline of LVAD (r = 0.47, p

Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0275465

DOI: 10.1371/journal.pone.0275465

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