Key result
The Chinese version of the Self-Care of Coronary Heart Disease Inventory demonstrated acceptable construct validity and internal consistency reliability among 301 patients.
Why the study?
Self-care impedes the progression of coronary heart disease, but in China no instrument was available to measure self-care in these patients.
Cross-Sectional (n=301)
The Chinese version of the Self-Care of Coronary Heart Disease Inventory demonstrates acceptable psychometric properties for measuring self-care in Chinese patients with coronary heart disease.
May support self-care assessment in Chinese CHD patients; leaves open predictive validity and should not yet change practice.
AIM: To psychometrically test the Chinese version of Self-Care of Coronary Heart Disease Inventory. BACKGROUND: Self-care is a significant step to impede the progression of coronary heart disease and serves as the primary outcome in self-care interventions. In China, however, no instrument is available to measure self-care in patients with coronary heart disease. To address this gap, we introduce the Self-Care of Coronary Heart Disease Inventory into China. DESIGN: A cross-sectional design. METHODS: We translated the inventory into Chinese using standardized methods. Then, it was psychometrically tested on a convenience sample of 301 patients with coronary heart disease (October 2017 to May 2018). Construct validity was evaluated via exploratory factor analysis and testing hypotheses. Internal consistency reliability was measured with Cronbach's alpha or composite reliability. RESULTS: Both self-care maintenance and management subscales showed a two-factor structure, whereas self-care confidence subscale showed a one-dimension structure. All subscales were significantly correlated with associated variables (disease-related knowledge and perceived control). The internal consistency reliability for all three subscales was acceptable. CONCLUSION: The Chinese version showed acceptable psychometric properties when applied to the sample group of this study. It is recommended for use in self-care interventions targeting coronary heart disease.
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Chen et al. (2020) conducted a cross-sectional in Coronary heart disease (n=301). Chinese version of Self-Care of Coronary Heart Disease Inventory was evaluated on Construct validity and internal consistency reliability. The Chinese version of the Self-Care of Coronary Heart Disease Inventory demonstrated acceptable construct validity and internal consistency reliability among 301 patients.
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