Article: Psychometric properties of the Chinese quality of life instrument (HK version) in Chinese and Western medicine primary care settings

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Title	Psychometric properties of the Chinese quality of life instrument (HK version) in Chinese and Western medicine primary care settings
Authors	Wong, W1 Lam, CLK1 Leung, KF2 Zhao, L3
Keywords	Chinese medicine Chinese quality of life instrument Hong Kong Primary care SF-36
Issue Date	2012
Publisher	Springer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0962-9343
Citation	Quality Of Life Research, 2012, v. 21 n. 5, p. 873-886 [How to Cite?] DOI: http://dx.doi.org/10.1007/s11136-011-9987-3
Abstract	Background: The Chinese Quality of Life Measure (ChQOL) had only been validated on a small number of selected subjects in Hong Kong and had never been tested in the Western medicine (WM) primary care setting. Aims: and objectives To test the psychometrics properties of ChQOL(HK version) in both TCM and WM general outpatient clinics. Methods: Three samples of Chinese adult patients [(1) 569 consulting TCM clinics for episodic illnesses; (2) 524 consulting WM clinics for episodic illnesses; (3) 205 consulting WM clinics for chronic disease follow-up] in Hong Kong were invited to complete the ChQOL(HK version) and the SF-36 Health Survey during their consultations and 2 weeks after consultations. The scaling assumptions, factor structure, convergent construct validity, reliability, responsiveness, and discriminatory power of the ChQOL were evaluated. Results: Majority of items satisfied the scaling assumptions. A two instead of 3-factor structure was found with physical form and emotion facets loading on one factor. Convergent construct validity was confirmed with moderate correlations with SF-36 scores. Internal consistency and test-retest reliability were satisfactory. The ChQOL(HK version) was able to detect significant improvements 2 weeks after consultations, and it was able to discriminate between groups with different illness severity, age, and sex. Conclusion The ChQOL(HK version) was shown to have satisfactory validity, reliability, discriminatory power, and responsiveness in both TCM and Western medicine primary care settings. The validity of the 3-domain scaling structure needs further evaluation. © The Author(s) 2011.
Description	This article is Open Access
ISSN	0962-9343 2011 Impact Factor: 2.3 2011 SCImago Journal Rankings: 0.154
DOI	http://dx.doi.org/10.1007/s11136-011-9987-3
References	References in Scopus

DC Field	Value
dc.contributor.author	Wong, W
dc.contributor.author	Lam, CLK
dc.contributor.author	Leung, KF
dc.contributor.author	Zhao, L
dc.date.accessioned	2011-09-23T05:49:40Z
dc.date.available	2011-09-23T05:49:40Z
dc.date.issued	2012
dc.description.abstract	Background: The Chinese Quality of Life Measure (ChQOL) had only been validated on a small number of selected subjects in Hong Kong and had never been tested in the Western medicine (WM) primary care setting. Aims: and objectives To test the psychometrics properties of ChQOL(HK version) in both TCM and WM general outpatient clinics. Methods: Three samples of Chinese adult patients [(1) 569 consulting TCM clinics for episodic illnesses; (2) 524 consulting WM clinics for episodic illnesses; (3) 205 consulting WM clinics for chronic disease follow-up] in Hong Kong were invited to complete the ChQOL(HK version) and the SF-36 Health Survey during their consultations and 2 weeks after consultations. The scaling assumptions, factor structure, convergent construct validity, reliability, responsiveness, and discriminatory power of the ChQOL were evaluated. Results: Majority of items satisfied the scaling assumptions. A two instead of 3-factor structure was found with physical form and emotion facets loading on one factor. Convergent construct validity was confirmed with moderate correlations with SF-36 scores. Internal consistency and test-retest reliability were satisfactory. The ChQOL(HK version) was able to detect significant improvements 2 weeks after consultations, and it was able to discriminate between groups with different illness severity, age, and sex. Conclusion The ChQOL(HK version) was shown to have satisfactory validity, reliability, discriminatory power, and responsiveness in both TCM and Western medicine primary care settings. The validity of the 3-domain scaling structure needs further evaluation. © The Author(s) 2011.
dc.description.nature	published_or_final_version
dc.description	This article is Open Access
dc.description.other	Springer Open Choice, 21 Feb 2012
dc.identifier.citation	Quality Of Life Research, 2012, v. 21 n. 5, p. 873-886 [How to Cite?] DOI: http://dx.doi.org/10.1007/s11136-011-9987-3
dc.identifier.citeulike	9688386
dc.identifier.doi	http://dx.doi.org/10.1007/s11136-011-9987-3
dc.identifier.eissn	1573-2649
dc.identifier.epage	886
dc.identifier.hkuros	195164
dc.identifier.isi	WOS:000304268600013
dc.identifier.issn	0962-9343 2011 Impact Factor: 2.3 2011 SCImago Journal Rankings: 0.154
dc.identifier.issue	5
dc.identifier.openurl
dc.identifier.pmid	21830166
dc.identifier.scopus	eid_2-s2.0-84863632492
dc.identifier.spage	873
dc.identifier.uri	http://hdl.handle.net/10722/139439
dc.identifier.volume	21
dc.language	eng
dc.publisher	Springer Verlag Dordrecht. The Journal's web site is located at http://springerlink.metapress.com/openurl.asp?genre=journal&issn=0962-9343
dc.publisher.place	Netherlands
dc.relation.ispartof	Quality of Life Research
dc.relation.references	References in Scopus
dc.rights	The Author(s)
dc.rights	Creative Commons: Attribution 3.0 Hong Kong License
dc.subject	Chinese medicine
dc.subject	Chinese quality of life instrument
dc.subject	Hong Kong
dc.subject	Primary care
dc.subject	SF-36
dc.title	Psychometric properties of the Chinese quality of life instrument (HK version) in Chinese and Western medicine primary care settings
dc.type	Article

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Author Affiliations

The University of Hong Kong Li Ka Shing Faculty of Medicine
Queen Elizabeth Hospital Hong Kong
Chinese University of Hong Kong