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A psychometric evaluation of a Chinese version of the Cardiac Depression Scale.
J Psychosom Res. 2008 Aug; 65(2):123-9.JP

Abstract

OBJECTIVE

This study aimed to evaluate the validity, reliability, and cultural relevance of the Cardiac Depression Scale (CDS) as a disease-specific screening tool for Chinese cardiac patients.

METHODS

The language equivalency and content validity of the Chinese version of the CDS (C-CDS) were evaluated. Measurement performance was tested on 200 Chinese cardiac patients and repeated on 40 patients for test-retest reliability.

RESULTS

One item pertaining to sexual activity was removed from the Chinese version due to poor cultural relevance. The C-CDS demonstrated acceptable internal consistency (Cronbach's alpha of .91 for the total scale and .53-.78 for the subscales). The high correlation (r=.64-.89) between items and the remainder of their own scale provides further evidence of internal consistency. The test-retest reliability was satisfactory with intraclass correlation coefficients of .94 for the overall scale and .73-.92 for the six subscales. The total and subscale scores that were not significantly different (P>.05) over a 2-week period further support the stability of the instrument. There was acceptable concurrent validity with moderate (r>or=.3, P<.001) correlations between the C-CDS and the Chinese version of the Hospital Anxiety and Depression Scale. Principal component analysis revealed six factors, and one dimension was extracted from the data set, which closely resembles the structure of the original instrument.

CONCLUSION

Empirical data support the C-CDS as a valid and reliable disease-specific tool in assessing depressed mood in Chinese-speaking patients with cardiac disease.

Authors+Show Affiliations

School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi, PR China.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

18655856

Citation

Wang, Wenru, et al. "A Psychometric Evaluation of a Chinese Version of the Cardiac Depression Scale." Journal of Psychosomatic Research, vol. 65, no. 2, 2008, pp. 123-9.
Wang W, Thompson DR, Chair SY, et al. A psychometric evaluation of a Chinese version of the Cardiac Depression Scale. J Psychosom Res. 2008;65(2):123-9.
Wang, W., Thompson, D. R., Chair, S. Y., & Hare, D. L. (2008). A psychometric evaluation of a Chinese version of the Cardiac Depression Scale. Journal of Psychosomatic Research, 65(2), 123-9. https://doi.org/10.1016/j.jpsychores.2008.03.010
Wang W, et al. A Psychometric Evaluation of a Chinese Version of the Cardiac Depression Scale. J Psychosom Res. 2008;65(2):123-9. PubMed PMID: 18655856.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A psychometric evaluation of a Chinese version of the Cardiac Depression Scale. AU - Wang,Wenru, AU - Thompson,David R, AU - Chair,Sek Ying, AU - Hare,David L, PY - 2007/02/12/received PY - 2008/02/27/revised PY - 2008/03/28/accepted PY - 2008/7/29/pubmed PY - 2009/1/1/medline PY - 2008/7/29/entrez SP - 123 EP - 9 JF - Journal of psychosomatic research JO - J Psychosom Res VL - 65 IS - 2 N2 - OBJECTIVE: This study aimed to evaluate the validity, reliability, and cultural relevance of the Cardiac Depression Scale (CDS) as a disease-specific screening tool for Chinese cardiac patients. METHODS: The language equivalency and content validity of the Chinese version of the CDS (C-CDS) were evaluated. Measurement performance was tested on 200 Chinese cardiac patients and repeated on 40 patients for test-retest reliability. RESULTS: One item pertaining to sexual activity was removed from the Chinese version due to poor cultural relevance. The C-CDS demonstrated acceptable internal consistency (Cronbach's alpha of .91 for the total scale and .53-.78 for the subscales). The high correlation (r=.64-.89) between items and the remainder of their own scale provides further evidence of internal consistency. The test-retest reliability was satisfactory with intraclass correlation coefficients of .94 for the overall scale and .73-.92 for the six subscales. The total and subscale scores that were not significantly different (P>.05) over a 2-week period further support the stability of the instrument. There was acceptable concurrent validity with moderate (r>or=.3, P<.001) correlations between the C-CDS and the Chinese version of the Hospital Anxiety and Depression Scale. Principal component analysis revealed six factors, and one dimension was extracted from the data set, which closely resembles the structure of the original instrument. CONCLUSION: Empirical data support the C-CDS as a valid and reliable disease-specific tool in assessing depressed mood in Chinese-speaking patients with cardiac disease. SN - 0022-3999 UR - https://www.unboundmedicine.com/medline/citation/18655856/A_psychometric_evaluation_of_a_Chinese_version_of_the_Cardiac_Depression_Scale_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0022-3999(08)00115-3 DB - PRIME DP - Unbound Medicine ER -