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The factor structure of the General Health Questionnaire (GHQ): a scaled version for general practice in Spain

Published online by Cambridge University Press:  16 April 2020

J.D. Molina ,
C. Andrade-Rosa ,
S. González-Parra ,
H. Blasco-Fontecilla ,
M.A. Real  and
C. Pintor
J.D. Molina*
Affiliation:
Acute Inpatient Psychiatric Unit, Hospital R. Lafora, Madrid, Spain
C. Andrade-Rosa
Affiliation:
Primary Care Madrid Health Services, Madrid, Spain
S. González-Parra
Affiliation:
Acute Inpatient Psychiatric Unit, Hospital R. Lafora, Madrid, Spain
H. Blasco-Fontecilla
Affiliation:
Acute Inpatient Psychiatric Unit, Hospital R. Lafora, Madrid, Spain
M.A. Real
Affiliation:
Primary Care Madrid Health Services, Madrid, Spain
C. Pintor
Affiliation:
Statistical advice, Psychometric department, Actual Knowledge Instruments, Madrid, Spain
*
*Corresponding author. Acute Impatient Psychiatric Unit Coordinator, Hospital Dr. R. Lafora, Carretera de Colmenar Viejo Km 13.900, 28049 Madrid, Spain. E-mail address: [email protected] (J.D. Molina).
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Abstract

Background

The 28-item version of the General Health Questionnaire (GHQ-28) developed by Goldberg and Hillier in 1979 is constructed on the basis of a principal components analysis of the GHQ-60. When used on a Spanish population, a translation of the GHQ-28 developed for an English population may lead to worse predictive values.

Methods

We used our Spanish sample to replicate the entire process of construction of the GHQ-28 administered in a primary-care setting.

Results

Two shorter versions were proposed: one with six scales and 30 items, and the other with four scales and 28 items.

Conclusions

The resulting GHQ-28 was a successful adaptation for use on the Spanish sample. When compared with the original version, only 21 items were the same. Moreover, contrary to the English version, which groups sleep problems and anxiety in the same scale, a scale with items related exclusively to ‘Sleep disturbances’ was found.

Keywords

General Health Questionnaire (GHQ-28)Primary careFactor analysis
Type
Original article
Information
European Psychiatry , Volume 21 , Issue 7 , October 2006 , pp. 478 - 486
Copyright
Copyright © Elsevier SAS 2006

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