J Korean Neuropsychiatr Assoc.  2015 May;54(2):228-235. 10.4306/jknpa.2015.54.2.228.

Development of North Korean Version of the Composite International Diagnostic Interview

  • 1Department of Psychiatry, College of Medicine, University of Ulsan, Asan Medical Center, Seoul, Korea.
  • 2Department of Psychiatry, Seoul National Hospital, Seoul, Korea.
  • 3Settlement Support Center for Dislocated North Koreans, Ministry of Unification, Seoul, Korea.
  • 4Department of Psychiatry, National Medical Center, Seoul, Korea.
  • 5Department of Psychiatry, Seoul National University College of Medicine, Seoul, Korea.
  • 6Department of Psychiatry, Sungkyunkwan University School of Medicine, Samsung Medical Center, Seoul, Korea. suhurhong@gmail.com


The aim of the study was to develop a North Korean version of the Composite International Diagnostic Interview (NK-CIDI) and to evaluate the reliability and validity of NK-CIDI.
Subjects were 100 North Korean defectors, aged 18 to 65, who were recruited in a center for defectors in the National Medical Center or who were on an education curriculum in the defector settlement support center. NK-CIDI was developed based on the Korean version of CIDI considering the sociocultural background of North Korea. Inter-rater reliability, test/retest reliability, and validity of NK-CIDI were evaluated and kappa value was calculated.
Different vocabularies and awkward expressions were adjusted, and additional explanations were supplemented for difficult phases. The target for development of NK-CIDI was early defectors who entered South Korea less than 3 months ago. Inter-rater reliability (n=30, kappa value 0.35-1.00), test/retest reliability (n=30, kappa value 0-0.86), and diagnostic validity (n=100, kappa value -0.02-0.42) were evaluated.
Compared to the general population, defectors experience more psychiatric issues, and a standardized tool for diagnosis is needed. In this study, NK-CIDI was developed and the results suggest that reliability is acceptable but validity needs further verification. NK-CIDI could be utilized in future epidemiologic studies.


Psychiatric diagnosis; Reliability and validity; Epidemiology; Democratic People's Republic of Korea
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