Article2009

Study of the Discriminative Validity of the PHQ-9 and PHQ-2 in a Sample of Brazilian Women in the Context of Primary Health Care

Flávia de Lima Osório · Ana Vilela Mendes · José Alexandre S. Crippa · Sônia Regina Loureiro

321 citations0/0 files storedPerspectives In Psychiatric Care

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Anxiety, Depression, Psychometrics, Treatment, Cognitive Processes Mental Health Treatment and Access Health Education and Validation

Abstract

PURPOSE: This study aimed to assess the discriminative validity of the Brazilian version of the Patient Health Questionnaire (PHQ-9) and of its reduced version (PHQ-2). DESIGN AND METHODS: The sample consisted of 177 women (60 cases of depression and 117 noncases). The SCID-IV was used as the gold standard. FINDINGS: For the PHQ-9, a cutoff score equal to or higher than 10 proved to be the most adequate for the screening of depression, whereas the best cutoff score for the PHQ-2 was found to lie between 3 and 4. PRACTICE IMPLICATIONS: The systematic use of these instruments in nursing and in the context of primary health care could favor the early detection of depression.

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References

2001The PHQ-9 2009Diagnostic and Statistical Manual of Mental Disorders 1999Validation and Utility of a Self-report Version of PRIME-MD The PHQ Primary Care Study 2003The Epidemiology of Major Depressive Disorder 1997Alternative projections of mortality and disability by cause 1990–2020: Global Burden of Disease Study 2003The Patient Health Questionnaire-2 1989The functioning and well-being of depressed patients. Results from the Medical Outcomes Study 1989The Functioning and Well-being of Depressed Patients

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