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Validation of 30- and 12-item versions of the Chinese Health Questionnaire (CHQ) in patients admitted for general health screening

Published online by Cambridge University Press:  09 July 2009

Mian-Yoon Chong  and
Greg Wilkinson
Mian-Yoon Chong*
Affiliation:
General Practice Research Unit, Institute of Psychiatry, London
Greg Wilkinson
Affiliation:
General Practice Research Unit, Institute of Psychiatry, London
*
1Address for correspondence: Dr M. Y. Chong, Department of Psychiatry, Kaohsiung Medical College, Kaohsiung, Taiwan 80708, Republic of china.
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Synopsis

A study of the validity of the 30- and 12-item versions of the Chinese Health Questionnaire (CHQ) was carried out with a consecutive sample of 386 patients admitted during one year to a medical centre in Taiwan for a 3-day comprehensive general health screening. The Chinese version of the Clinical Interview Schedule was used to derive a criterion measure of minor psychiatric morbidity.

The areas under the Relative Operating Charcteristic curves of both short versions of the CHQ were equivalent (area = 0·85, S.D. = 0·02). The sensitivities of the CHQ-30 and CHQ-12 were found to be 76 and 78% respectively, while the specificity of both was 77%. The estimated prevalence of minor psychiatric morbidity in the sample was 37% (95% confidence intervals 32–41%). In contrast, physicians diagnosed 11% of these patients as having psychiatric disorders, and their sensitivity was 29%.

Taken altogether, the above findings suggest that the CHQ-12 is as effective as and is more efficient than the CHQ-30 in this context, and could be used by physicians in similar settings to improve their identification of minor psychiatric disorders in Chinese patients.

Type
Research Article
Information
Psychological Medicine , Volume 19 , Issue 2 , May 1989 , pp. 495 - 505
Copyright
Copyright © Cambridge University Press 1989

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