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A Validity Study of a Psychiatric Screening Questionnaire (SRQ-20) in Primary Care in the city of Sao Paulo

Published online by Cambridge University Press:  29 January 2018

Jair de Jesus Mari  and
Paul Williams
Jair de Jesus Mari*
Affiliation:
Department of Social Medicine, Faculty of Medicine, Santa Casa of Sao Paulo, Brazil
Paul Williams
Affiliation:
General Practice Research Unit, Institute of Psychiatry
*
Dr. Jair de Jesus Man, Research Worker, General Practice Research Unit, Institute of Psychiatry, London SE5.
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Abstract

A validity study of the Self-Report Questionnaire (20 item version, Harding et al, 1980) against the criterion of a standardised psychiatric interview (Goldberg et al, 1970) was carried out at three primary care clinics in Sao Paulo; 875 patients filled in the SRQ-20 questionnaires and a subsample of 260 was interviewed by the psychiatrist. The SRQ-20 was shown to be a feasible screening instrument for psycho-emotional disturbance in these settings. Sensitivity was 83% and specificity 80%, and the questionnaire was a good indicator of morbidity. A correlation was found between questionnaire total scores and independent clinical judgment (r= +0.70). A sex difference in the validity coefficients is described.

Type
Papers
Information
The British Journal of Psychiatry , Volume 148 , Issue 1 , January 1986 , pp. 23 - 26
Copyright
Copyright © 1986 The Royal College of Psychiatrists 

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