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The Chinese version of the cardiac depression scale: Mokken scaling
Roger Watson1, Wenru Wang, David L Hare
1Cardiovascular Research Centre, Australian Catholic University, Melbourne, Australia.
Insights
This study validated the Mandarin Chinese Cardiac Depression Scale using Mokken scaling. The scale reliably measures depression in myocardial infarction patients, correlating with other depression measures.
Area of Science:
- Psychometrics
- Cardiology
- Mental Health
Background:
- Myocardial infarction (MI) is a leading cause of death globally, particularly in China.
- Depression is a common comorbidity in patients with MI.
- Accurate depression assessment is crucial for managing MI patients.
Purpose of the Study:
- To analyze a Mandarin Chinese translation of the Cardiac Depression Scale.
- To assess the scale's item hierarchy using Mokken scaling criteria.
- To evaluate the scale's reliability and validity in a Chinese population with MI.
Main Methods:
- Mokken scaling procedure applied to data from 438 Chinese participants.
- Analysis conducted using the 'R' statistical program.
- Correlations examined with the Hospital Anxiety and Depression Scale and Beck Depression Inventory.
Main Results:
- Fifteen items of the Mandarin Chinese Cardiac Depression Scale formed a reliable Mokken scale.
- Invariant item ordering was observed, though with low accuracy.
- The scale demonstrated significant correlations with established depression and anxiety measures.
Conclusions:
- The Mandarin Chinese Cardiac Depression Scale functions as a Mokken scale.
- This provides valuable insights into measuring depression in Chinese MI patients.
- The scale is a potentially useful tool for assessing depression in this population.
Background:
Myocardial infarction is a major cause of death and morbidity in many countries, including China. The aim of this study was to analyse a Mandarin Chinese translation of the Cardiac Depression Scale for a hierarchy of items according to the criteria of Mokken scaling.
Findings:
Data from 438 Chinese participants who completed the Chinese translation of the Cardiac Depression Scale were analysed using the Mokken scaling procedure and the 'R' statistical programme using the diagnostics available in these programmes. Correlations between Mandarin Chinese items and Chinese translations of the Hospital Anxiety and Depression Scale and the Beck Depression Inventory were also analysed. Fifteen items from the Mandarin Chinese Cardiac Depression Scale were retained in a weak but reliable Mokken scale; invariant item ordering was evident but of low accuracy and the Mokken scaled items of the Chinese Cardiac Depression Scale correlated with the Hospital Anxiety and Depression Scale and the Beck Depression Inventory.
Conclusions:
Items from the Mandarin Chinese Cardiac Depression Scale form a Mokken scale and this offers further insight into how the items of the Cardiac Depression Scale relate to the measurement of depression in people with a myocardial infarction.
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