1970
DOI: 10.1136/bmj.2.5707.439
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Psychiatric Illness in General Practice: A Detailed Study Using a New Method of Case Identification

Abstract: Summary: A self-administered questionary (the General Health Questionnaire) aimed at detecting current psychiatric disturbance was given to 553 consecutive attenders to a general practitioner's surgery. A sample of 200 of these patients was given an independent assessment of their mental state by a psychiatrist using a standardized psychiatric interview. Over 90% of the patients were correctly classified as "well" or "ill" by the questionary, and the correlation between questionary score and the clinical asses… Show more

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Cited by 962 publications
(533 citation statements)
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“…3,6,29,30 Scores for individual items were coded as absent or present (0 or 1) and then summed up, and total scores of 3 or higher (out of 12) were classified as CMD cases. The Brazilian version of GHQ-12, 3,6,30 at the cutoff point of 2/3, showed sensitivity of 91% and specificity of 71%, and, at the cutoff point of 4/5, for a population with no more than four years of schooling, showed sensitivity of 76% and specificity of 82%.…”
Section: Methodsmentioning
confidence: 99%
“…3,6,29,30 Scores for individual items were coded as absent or present (0 or 1) and then summed up, and total scores of 3 or higher (out of 12) were classified as CMD cases. The Brazilian version of GHQ-12, 3,6,30 at the cutoff point of 2/3, showed sensitivity of 91% and specificity of 71%, and, at the cutoff point of 4/5, for a population with no more than four years of schooling, showed sensitivity of 76% and specificity of 82%.…”
Section: Methodsmentioning
confidence: 99%
“…This questionnaire is a well established standardized screening tool 28 and was validated in its Brazilian version 29 having the Clinical Interview Schedule as the gold standard. The cut-off point used to characterize the patients as having CMD was 3 positive answers out of 12 (referred to as GHQ3 from now on).…”
Section: Methodsmentioning
confidence: 99%
“…(21,22) that has been favorably tested for reliability and validity (23). For each of the 12 questions, responses are measured on a Likert scale and can score anything from 0 to 3 (not at all, no more than usual, rather more than usual, much more than usual).…”
Section: Modelmentioning
confidence: 99%