Psychometric properties of the General Health Questionnaire (GHQ‐12) in a German primary care sample
- 1 December 1999
- journal article
- Published by Wiley in Acta Psychiatrica Scandinavica
- Vol. 100 (6), 462-468
- https://doi.org/10.1111/j.1600-0447.1999.tb10898.x
Abstract
The aim of this investigation was to examine the psychometric properties of the German 12-item General Health Questionnaire (GHQ-12) in a primary care sample.A sample (n = 421) of adult out-patients was screened using the GHQ-12. A standardized clinical interview (SCID) was conducted with all screened patients. Reliability, validity and factor analysis of the GHQ-12 were evaluated. Item characteristics were examined using item characteristics curves. Item bias analysis was performed using contingency tables.The German version of the GHQ-12 is a reliable instrument and performed well in detecting cases of psychological disorders. Factor analysis replicated the findings of earlier studies. Item characteristics curves and item bias analysis indicated that the individual items should be assessed carefully. One item was biased in relation to age, while another item showed a low positive response rate.The GHQ-12 as a whole is a reliable questionnaire and can be a useful screening tool in primary care.Keywords
This publication has 18 references indexed in Scilit:
- The validity of two versions of the GHQ in the WHO study of mental illness in general health carePsychological Medicine, 1997
- Validation of the Arabic versions of the Thirty- and Twelve-Item General Health Questionnaires in Primary Care PatientsThe British Journal of Psychiatry, 1996
- Self-report disability in an international primary care study of psychological illnessJournal of Clinical Epidemiology, 1996
- Test for item bias in a quality of life questionnaireJournal of Clinical Epidemiology, 1995
- Evaluating a ten questions screen for childhood disability: Reliability and internal structure in different culturesJournal of Clinical Epidemiology, 1995
- Reliability, validity and factor structure of the 12‐item General Health Questionnaire among young males in ItalyActa Psychiatrica Scandinavica, 1994
- Reliability and the factor structure of the Yoruba version of the 12‐item General Health QuestionnaireActa Psychiatrica Scandinavica, 1991
- Theoretical and Empirical Comparison of the Mokken and the Rasch Approach to IRTApplied Psychological Measurement, 1990
- The utility of latent trait models in psychiatric epidemiologyPsychological Medicine, 1986
- A comparison of the validity of two psychiatric screening questionnaires (GHQ-12 and SRQ-20) in Brazil, using Relative Operating Characteristic (ROC) analysisPsychological Medicine, 1985