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Clin Psychopharmacol Neurosci. 2018 Aug 31;16(3):316-323. doi: 10.9758/cpn.2018.16.3.316.

Screening with the Korean Version of the Mood Disorder Questionnaire for Bipolar Disorders in Adolescents: Korean Validity and Reliability Study.

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Department of Psychiatry, Soonchunhyang University Cheonan Hospital, Soonchunhyang University College of Medicine, Cheonan, Korea.
Department of Psychiatry, Catholic University of Daegu College of Medicine, Daegu, Korea.
Department of Psychiatry, Naju National Hospital, Naju, Korea.
Department of Psychiatry, Konkuk University School of Medicine, Chungju, Korea.
Department of Psychology, Chungbuk National University, Cheongju, Korea.
Department of Psychiatry, CHA University, Gumi, Korea.
Department of Psychiatry, College of Medicine, The Catholic University of Korea, Seoul, Korea.
Department of Psychiatry, Bongseng Memorial Hospital, Busan, Korea.
Department of Psychiatry, Hallym University Sacred Heart Hospital, Hallym University College of Medicine, Anyang, Korea.



This study aimed to evaluate the validity and reliability of a Korean version of the Mood Disorder Questionnaire-Adolescent version (K-MDQ-A) as a screening instrument for bipolar disorders in adolescents.


One hundred two adolescents with bipolar disorders and their parents were recruited from November 2014 to November 2016 at 7 training hospitals. One hundred six controls were recruited from each middle school in two cities of South Korea. The parent version of the original MDQ-A was translated into Korean. The parents of all participants completed the K-MDQ-A. The diagnoses of bipolar disorders were determined based on the Korean version of K-SADS-PL. The test-retest reliability with a 10-month interval was investigated in 33 bipolar adolescents.


K-MDQ-A yielded a sensitivity of 0.90 and a specificity of 0.92 when using a cut-off score of endorsement of 5 items, indicating that symptoms occurred in the same time period and caused moderate or serious problems. The internal consistency of the K-MDQ-A was good. The correlations between each item and the total score ranged from 0.40 to 0.76 and were all statistically significant. Factor analysis revealed 3 factors that explained 61.25% of the total variance. The mean total score was significantly higher in bipolar adolescents (7.29) than in controls (1.32). The Pearson correlation coefficient for the total test-retest score was 0.59 (p<0.001).


The K-MDQ-A completed by parents showed the excellent validity and reliability and may be a useful screening tool for adolescents with bipolar disorders attending in- and outpatient psychiatric clinics.


Adolescent; Bipolar disorder; Mood Disorder Questionnaire; Reliability and validity; Screening.

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