Brazilian Portuguese validation of Mood Disorder Questionnaire

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• 作者：Wagner de Sousa Gurgel^a ; Diego Barreto Rebou&#231 ; as^a ; Karla Julianne Negreiros de Matos^b ; Alexandre Henrique Silva Carneiro^a ; Fá ; bio Gomes de Matos e Souza^c ; ^d ; ^{fgmsouza@yahoo.com.br} ; ^{getace@gmail.com} ; Grupo de Estudos em Transtornos Afetivos (Affective Disorders Study Group)
• 刊名：Comprehensive Psychiatry
• 出版年：2012
• 期刊代码：62_0010440X
• 类别：med
• 出版时间：April, 2012
• 卷：53
• 期：3
• 页码：308-312
• 文件大小：212 K

摘要

Background

The Mood Disorder Questionnaire (MDQ) is a screening instrument for bipolar spectrum disorders already validated in many languages.

Methods

Patients from 2 psychiatric outpatient facilities were diagnosed with bipolar disorder (BD) type I and II and major depression according to the mood module of the Structured Clinical Interview for Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition (SCID), Axis I Disorders鈥擟linician Version. In addition, a control group of healthy subjects was selected. The diagnostic interviews were used as the gold standard against which to investigate the performance of the MDQ. The MDQ was administered to 153 subjects, distributed among 4 groups. We analyzed the test reliability and discriminative capacity of the MDQ for the detection of patients with BD.

Results

Based on the SCID, Axis I Disorders鈥擟linician Version, 52 subjects (33.3%) presented a bipolar spectrum disorder (type I, II, or not otherwise specified), 48 (32.4%) were diagnosed as having unipolar depressive disorder, whereas 54 (35.3%) were unaffected by any type of psychiatric disorder (had no psychiatric disorder according to SCID results). The sensitivity for bipolar disorder was 0.72 (bipolar I disorder, 0.81; bipolar II disorder, 0.58; and bipolar disorder not otherwise specified, 0.69), with specificity of 0.95. The Brazilian Portuguese MDQ demonstrated adequate internal consistency (Cronbach 伪=.87).

Limitations

Recruiting patients attending tertiary services may inflate the performance of the MDQ.

Conclusions

The performance of the Brazilian Portuguese MDQ is comparable with other language validations. In a psychiatric outpatient sample, the Brazilian Portuguese MDQ proves to be a feasible and reliable screening instrument.