期刊
CADERNOS DE SAUDE PUBLICA
卷 24, 期 2, 页码 380-390出版社
CADERNOS SAUDE PUBLICA
DOI: 10.1590/S0102-311X2008000200017
关键词
mass screening; validation studies; questionnaires; mental health
The SRQ (Self-Reporting Questionnaire) is a psychiatric screening tool that originally included 30 questions. The Brazilian version of SRQ-20 (a version that includes the 20 items for non-psychotic mental disorders) was validated in the early 1980s. The objective of the present study was to validate the Brazilian version of SRQ-20 and the 5 items for alcohol-related disorders as compared to the SCID-IV-TR (Structured Clinical Interview for DSM-IV-TR) as the gold standard. The study was conducted in Santa Cruz do Sul, a small town in southern Brazil, with 485 subjects (54.8% females, mean age 40.04 years). The 5 items for alcohol-related disorders showed low sensitivity (66%). The optimum cutoff value for SRQ-20 was 718, with 86.33% sensitivity and 89.31% specificity. The discriminant power of SRQ-20 for psychiatric screening was 0.9, and Cronbach's alpha was 0.86.
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