Validity of the Mood Disorder Questionnaire in a Brazilian psychiatric population.
Braz J Psychiatry
; 32(4): 424-8, 2010 Dec.
Article
em En
| MEDLINE
| ID: mdl-21308264
OBJECTIVE: Bipolar spectrum disorders are prevalent and frequently underdiagnosed and undertreated. This report describes the development and validation of the Brazilian version of the Mood Disorder Questionnaire, a screening instrument for bipolar spectrum disorders, in an adult psychiatric population. METHOD: A total of 114 consecutive patients attending an outpatient psychiatric clinic completed the Brazilian version of the Mood Disorder Questionnaire. A research psychiatrist, blind to the Mood Disorder Questionnaire results, interviewed patients by means of the mood module of the Structured Clinical Interview for DSM-IV ('gold standard'). RESULTS: The internal consistency of the Brazilian Mood Disorder Questionnaire, evaluated with Cronbach's alpha coefficient was 0.76 (95% CI; 0.69-0.92). Principal component analysis with varimax rotation indicated an 'irritability-racing thoughts' factor and 'energized-activity' factor, which explained 39.1% of variance. On the basis of the SCID, 69 (60.5%) individuals received a diagnosis of bipolar disorders. A Brazilian Mood Disorder Questionnaire screening score of 8 or more items yielded sensitivity of 0.91 (95% CI; 0.85-0.98), specificity of 0.70 (95% CI; 0.62-0.75), a positive predictive value of 0.82 (95% CI; 0.75-0.88) and a negative predictive value of 0.84 (95% CI; 0.77-0.90). CONCLUSION: The present data demonstrate that the Brazilian Mood Disorder Questionnaire is a valid instrument for the screening of bipolar disorders. The instrument needs to be validated in other settings (e.g., in general practice).
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Programas de Rastreamento
/
Vigilância da População
/
Inquéritos e Questionários
/
Transtornos do Humor
Tipo de estudo:
Diagnostic_studies
/
Prognostic_studies
/
Qualitative_research
/
Screening_studies
Limite:
Adult
/
Female
/
Humans
/
Male
País/Região como assunto:
America do sul
/
Brasil
Idioma:
En
Revista:
Braz J Psychiatry
Assunto da revista:
PSIQUIATRIA
Ano de publicação:
2010
Tipo de documento:
Article
País de afiliação:
Brasil
País de publicação:
Brasil