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Development and evaluation of the Coronary Artery Disease Empowerment Scale (CADES) in Korea

Jiyoung Kim1, Nayeon Shin2, Kyungmi Lee3

  • 1Sangmyung University, Cheonan-si, Republic of Korea.

Clinical Nursing Research
|March 29, 2021
PubMed

Insights

A new scale was developed to measure empowerment in Korean patients with coronary artery disease. This tool assesses self-determination, emotional regulation, and disease management competence, showing good reliability and validity.

Area of Science:

  • Nursing
  • Psychology
  • Public Health

Background:

  • Coronary Artery Disease (CAD) significantly impacts patients' quality of life and requires effective management strategies.
  • Patient empowerment is crucial for self-management and improved health outcomes in chronic conditions like CAD.
  • Existing empowerment scales may not adequately capture the specific needs of Korean CAD patients.

Purpose of the Study:

  • To develop and validate the Coronary Artery Disease Empowerment Scale (CAD-ES) for the Korean population.
  • To assess the initial psychometric properties, including validity and reliability, of the newly developed scale.
  • To provide a culturally relevant instrument for measuring empowerment in CAD patients.

Main Methods:

  • A cross-sectional study involving 301 Korean patients diagnosed with coronary artery disease.
  • Data collection occurred between August and December 2019.
  • Exploratory factor analysis was used to identify underlying factors and assess construct validity, alongside reliability analyses (Cronbach's alpha) and correlational analyses with established scales.

Main Results:

  • Exploratory factor analysis yielded a 25-item scale with three factors: self-determination, emotional self-regulation, and personal competence in disease management perception, explaining 55.40% of the variance.
  • The scale demonstrated good internal consistency reliability (Cronbach's alpha = .93).
  • Significant positive correlations were observed between the CAD-ES and the Korean versions of the Cardiac Self-efficacy Scale (r=.31) and the Health Empowerment Scale (r=.45), supporting convergent validity.

Conclusions:

  • The developed Coronary Artery Disease Empowerment Scale is a reliable and valid instrument for assessing empowerment in Korean patients with CAD.
  • The scale can be utilized to evaluate patient empowerment and guide interventions aimed at enhancing self-management.
  • Further validation studies are recommended to confirm the scale's utility across diverse populations and settings.

Keywords:
coronary artery diseaseempowermentexploratory factor analysisinstrument development

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