Psychiatry Investig.
2018 Dec;15(12):1115-1120. 10.30773/pi.2018.10.21.1.
Validation of the Korean Version of the Biological Rhythms Interview of Assessment in Neuropsychiatry
- Affiliations
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- 1Department of Psychiatry, Korea University College of Medicine, Seoul, Republic of Korea. leehjeong@korea.ac.kr
- 2Department of Psychology, University of British Columbia, Vancouver, Canada.
- 3Department of Psychiatry and Behavioural Neurosciences, McMaster University, Hamilton, Ontario, Canada.
- 4Department of Psychology, Neuroscience and Behaviour, McMaster University, Hamilton, Ontario, Canada.
- 5Laboratory of Molecular Psychiatry, Department of Pharmacology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
- 6Postgraduate Program of Psychiatry and Behavioral Science and Postgraduate Program of Pharmacology and Therapeutics, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
- 7Department of Biomedical Science, Korea University College of Medicine, Seoul, Republic of Korea.
- 8Chronobiology Institute, Korea University, Seoul, Republic of Korea.
- KMID: 2434759
- DOI: http://doi.org/10.30773/pi.2018.10.21.1
Abstract
OBJECTIVE
The Biological Rhythms Interview of Assessment in Neuropsychiatry (BRIAN) is a scale used to clinically evaluate disturbances in biological rhythm. In this study, we aimed to examine the reliability and validity of the Korean version of the BRIAN (K-BRIAN) in a Korean population.
METHODS
A total of 181 participants, including 141 outpatients with bipolar disorder (BD; type I, 62; type II, 79) and 40 controls, were recruited. Construct validity was tested by comparing the mean K-BRIAN scores of the BD patients and control subjects. Concurrent validity was tested by evaluating the association between the K-BRIAN and the Morningness-Eveningness Questionnaire (MEQ).
RESULTS
The mean K-BRIAN scores of the control subjects and patients with BD differed significantly (p < 0.001). Particularly, the mean K-BRIAN score was considerably lower among control subjects (mean±standard deviation=35.00±8.88) than among patients with BD type I (41.19±12.10) and type II (50.18±13.73). The Cronbach's alpha for the K-BRIAN was 0.914. The K-BRIAN was found to correlate with the MEQ (r=-0.45, p < 0.001).
CONCLUSION
The findings affirm that the K-BRIAN has good construct validity and internal consistency. This suggests that the K-BRIAN can be used to assess biological rhythms in the Korean population, especially for patients with mood disorder.
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