Psychometric Properties of the Cardiac Rehabilitation Self-Efficacy Questionnaire in Heart Failure Patients: A Cross

Zahra Fallah1, Awat Feizi2, Masoumeh Sadeghi3

  • 1Department of Health Education and Promotion School of Health, Isfahan University of Medical Sciences Isfahan Iran.

Health Science Reports
|November 8, 2024
PubMed

Insights

A new exercise self-efficacy tool was developed and validated for heart failure patients in cardiac rehabilitation, showing high reliability and validity for use in Health Action Process Approach studies.

Area of Science:

  • Cardiology
  • Rehabilitation Medicine
  • Health Psychology

Background:

  • Heart failure patients undergoing cardiac rehabilitation often face challenges with exercise adherence.
  • Self-efficacy is a key determinant of health behavior change, particularly in managing chronic conditions like heart failure.

Purpose of the Study:

  • To develop and psychometrically evaluate an exercise self-efficacy tool for heart failure patients.
  • To assess the tool's validity and reliability within the Health Action Process Approach (HAPA) framework.

Main Methods:

  • The study involved 205 heart attack patients at a cardiac rehabilitation center.
  • Exploratory factor analysis (EFA) was used for construct evaluation.
  • Internal reliability was assessed using Cronbach's alpha, and external reliability via test-retest.

Main Results:

  • EFA identified four factors of self-efficacy (task 1, task 2, coping, recovery), explaining 70.1% of the variance.
  • Cronbach's alpha values ranged from 0.836 to 0.921 for factors and 0.9 for the overall tool.
  • Test-retest reliability (intra-class correlation) was high, ranging from 0.826 to 0.901.

Conclusions:

  • The developed cardiac rehabilitation self-efficacy questionnaire demonstrates strong validity and reliability.
  • This tool is suitable for use in Health Action Process Approach (HAPA) studies involving heart failure patients.
Abstract

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