Abstract
Objective: To perform a psychometric evaluation of the Myocardial Infarction Dimensional Assessment Scale (MIDAS) in Chinese patients with coronary heart disease. Design and setting: Patients with angina (n = 162), MI (n = 124) or heart failure (n = 95) were recruited from a regional university-affiliated hospital. The Chinese version of the MIDAS (C-MIDAS), the Hospital Anxiety and Depression Scale (HADS) and the Short-Form 36 Health Survey (SF-36) were administered to all patients at baseline and the C-MIDAS was also administered seven day (n = 92) and three months (n = 363) later. Results: The C-MIDAS conforms to the 7-factor structure as proposed in the original version. It is reliable with Cronbach's alphas from 0.73 to 0.94 and test-retest reliabilities from 0.76 to 0.92. Four of its subscales (physical activity, insecurity, emotional reaction and dependency) correlated significantly with the SF-36 and the HADS in each diagnostic group and had good discriminative properties in terms of gender, emotional disturbance and perceived health deterioration, with responsiveness supported by medium-high effect sizes (0.43-0.83) and standardize response means (0.46-0.82). The other three subscales measuring treatment-related impacts added little to the validity and responsiveness of the C-MIDAS. Conclusion: To render the C-MIDAS a core health-related quality of life measure for Chinese-speaking patients with coronary heart disease, further studies need to clarify the content adequacy and cultural relevancy of those subscales measuring treatment-related impact.
Original language | English |
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Pages (from-to) | 384-394 |
Number of pages | 11 |
Journal | International Journal of Cardiology |
Volume | 131 |
Issue number | 3 |
DOIs | |
Publication status | Published - 24 Jan 2009 |
Keywords
- Coronary heart disease
- Health-related quality of life
- Myocardial Infarction Dimensional Assessment Scale
- Psychometric evaluation
ASJC Scopus subject areas
- Medicine(all)
- Cardiology and Cardiovascular Medicine