Factor analytical study of the short version of the World Health Organization Quality of Life Instrument |
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Authors: | Ohaeri Jude U Olusina Adewunmi K Al-Abassi Abdul-Hamid M |
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Institution: | Department of Psychiatry, College of Medicine, University of Ibadan, Nigeria. judeohaeri@hotmail.com |
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Abstract: | The domains of the 26-item World Health Organization Quality of Life Instrument (WHOQOL-Bref) contain heterogeneous items and do not encompass the logical constructs of subjective quality of life (QOL). We compared the WHO 4-domain and 6-domain models of the WHOQOL-Bref with the 8-domain model that we obtained from factor analysis (FA). Data from 118 recently recovered Nigerian psychotic patients were used in confirmatory factor analysis (CFA) to assess goodness of fit and clarity of concept. Our FA model had superior goodness of fit for CFA and provided clarity of concept. Analysis of the WHOQOL-Bref should consider the domains from FA and include 'overall QOL' as an item and dependent variable. Subjective QOL is an aggregate of the following constructs: satisfaction with life circumstances; fulfillment of needs, and opportunity for experience in the milieu. |
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