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Does the 12-item General Health Questionnaire contain multiple factors and do we need them?

BACKGROUND: The 12-item General Health Questionnaire (GHQ-12) is widely used as a unidimensional instrument, but factor analyses tended to suggest that it contains two or three factors. Not much is known about the usefulness of the GHQ-12 factors, if they exist, in revealing between-patient differen...

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Detalles Bibliográficos
Autores principales:	Gao, Fei, Luo, Nan, Thumboo, Julian, Fones, Calvin, Li, Shu-Chuen, Cheung, Yin-Bun
Formato:	Texto
Lenguaje:	English
Publicado:	BioMed Central 2004
Materias:	Research
Acceso en línea:	https://www.ncbi.nlm.nih.gov/pmc/articles/PMC534792/ https://www.ncbi.nlm.nih.gov/pubmed/15538951 http://dx.doi.org/10.1186/1477-7525-2-63

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