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Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease

Signal Acquisition, Score Interpretation, and Economics of a Non-Invasive Point-of-Care Test for Coronary Artery Disease

Published on: August 9, 2024

Development and psychometric validation of the second version of the Coronary Artery Disease Education Questionnaire

Gabriela Lima de Melo Ghisi¹, Sherry L Grace², Scott Thomas³

¹Exercise Sciences Department, Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Canada; Cardiac Rehabilitation and Prevention Program, Toronto Rehabilitation Institute, University Health Network, Toronto, Canada.

Patient Education and Counseling

|December 8, 2014

Abstract

Objectives:

To develop and psychometrically-validate a revised version of the Coronary Artery Disease Education Questionnaire (CADE-Q)--a tool to assess patients' knowledge about CAD in cardiac rehabilitation (CR).

Methods:

After a needs assessment, a literature review and focus group with CR experts, the revised questionnaire was developed. It underwent pilot-testing in 30 patients, which lead to further refinement. The questionnaire was then psychometrically-tested in 307 CR patients. Internal consistency was assessed using Cronbach's alpha, the dimensional structure through exploratory factor analysis, and criterion validity with regard to educational level.

Results:

Cronbach's alpha was 0.91. Criterion validity was supported by significant differences in mean scores by educational level (p<0.001). Factor analysis revealed four factors, which were internally-consistent (0.65-0.77), and well-defined by items. The mean total score was 64.2±18.1/93. Patients with a history of heart failure, cardiomyopathy and percutaneous coronary intervention (p<0.05) had significantly higher knowledge scores compared with patients without such a history. Knowledge about exercise and their medical condition was significantly higher than risk factors, nutrition and psychosocial risk.

Conclusions:

The CADE-QII has good reliability and validity.

Practical Implications:

This tool may be useful to assess CR participants' knowledge gaps, and to evaluate the efficacy of educational delivery in CR.

Keywords:

Coronary Artery Disease Health knowledge, attitudes, practice Patient education Psychometric validation Questionnaires

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