Cargando…
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...
Autores principales: | , , , , , |
---|---|
Formato: | Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2004
|
Materias: | |
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 |