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Reliability and validity of the Chinese Version of the Mood Disorder Questionnaire
Chuan-Ju Lin1, I-Shin Shiah, Hsin Chu
1Department of Nursing, Tri-Service General Hospital & Graduate Institute of Nursing, College of Nursing, Taipei Medical University, Taipei, Taiwan, ROC. amy4916@mail.ndmctsgh.edu.tw
Abstract:
The purpose of this study was to examine the reliability, validity, sensitivity, and specificity of the Chinese Version of the Mood Disorder Questionnaire (MDQ-C). A total of 170 patients were administered the Mini International Neuropsychological Interview and the Diagnostic and Statistical Manual of Mental Disorders, Fourth Edition, Text Revision as criterion standard by on-site psychiatrists. The Cronbach's alpha, test-retest reliability, and the content validity index of the MDQ-C were .83, .76, and .80, respectively. Factor analysis revealed that two factors, elevated mood overactivity and irritable behavior, explained 40.89% of the variance. On the basis of the sensitivity and specificity results, the optimal cutoff point was 6. The MDQ-C is an effective short and comprehensive tool with robust psychometric properties for diagnosis of bipolar disorders, specifically for patients with bipolar I.
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