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Validation of the Korean Version of the Clinical Assessment Interview for Negative Symptoms.
Psychiatry Investig 2017; 14(4):413-419PI

Abstract

OBJECTIVE

Clinical Assessment Interview for Negative Symptoms (CAINS) has recently been developed to improve measurement of negative symptoms in schizophrenia. We performed a multi-center study to validate the Korean version of the CAINS (CAINS-K) and explore potential cultural variation.

METHODS

One hundred eighty schizophrenia patients diverse in demographic and illness profile were recruited from four centers in Korea. Along with the CAINS-K, the Scale for the Assessment of Negative Symptoms (SANS), Brief Psychiatric Rating Scale (BPRS), Calgary Depression Scale for Schizophrenia (CDSS), a self-report measure of behavioral inhibition and activation (BIS/BAS) and neurocognitive tasks were administered to verify external validities.

RESULTS

The CAINS-K showed high internal-consistency (0.92) and inter-rater reliability (0.77). Exploratory Factor Analysis replicated a two-factor structure of the original scale including motivation/pleasure and expression deficits dimensions. Korean patients tended to report lower pleasure compared to American patients in the prior study. The CAINS-K showed an adequate convergent validity with the SANS, negative symptoms of the BPRS, and BAS. A divergent validity was supported as the CAINS-K showed zero or only weak correlations with other symptoms of the BPRS, depression from the CDSS, and neurocognitive tasks.

CONCLUSION

The CAINS-K demonstrated high internal consistency and adequate external validities, and is expected to promote studies on negative symptoms in Korean patients with schizophrenia.

Authors+Show Affiliations

Clinical Emotion and Cognition Research Laboratory, Goyang, Republic of Korea.Department of Psychiatry, Inje University College of Medicine and Haeundae Paik Hospital, Busan, Republic of Korea.Department of Psychology, Korea University, Seoul, Republic of Korea.Department of Psychiatry, Hallym University College of Medicine, Kangnam Sacred Heart Hospital, Seoul, Republic of Korea.Department of Rehabilitation Psychology, Daegu University, Daegu, Republic of Korea.Department of Psychiatry, National Health Insurance Service Ilsan Hospital, Goyang, Republic of Korea.Clinical Emotion and Cognition Research Laboratory, Goyang, Republic of Korea. Department of Psychiatry, Inje University College of Medicine, Goyang, Republic of Korea.

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28845167

Citation

Jang, Seon-Kyeong, et al. "Validation of the Korean Version of the Clinical Assessment Interview for Negative Symptoms." Psychiatry Investigation, vol. 14, no. 4, 2017, pp. 413-419.
Jang SK, Park SC, Choi KH, et al. Validation of the Korean Version of the Clinical Assessment Interview for Negative Symptoms. Psychiatry Investig. 2017;14(4):413-419.
Jang, S. K., Park, S. C., Choi, K. H., Yi, J. S., Park, J. K., Lee, J. S., & Lee, S. H. (2017). Validation of the Korean Version of the Clinical Assessment Interview for Negative Symptoms. Psychiatry Investigation, 14(4), pp. 413-419. doi:10.4306/pi.2017.14.4.413.
Jang SK, et al. Validation of the Korean Version of the Clinical Assessment Interview for Negative Symptoms. Psychiatry Investig. 2017;14(4):413-419. PubMed PMID: 28845167.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Validation of the Korean Version of the Clinical Assessment Interview for Negative Symptoms. AU - Jang,Seon-Kyeong, AU - Park,Seon-Cheol, AU - Choi,Kee-Hong, AU - Yi,Jung-Seo, AU - Park,Joong-Kyu, AU - Lee,Jung Suk, AU - Lee,Seung-Hwan, Y1 - 2017/07/11/ PY - 2016/03/22/received PY - 2016/05/30/revised PY - 2016/06/14/accepted PY - 2017/8/29/entrez PY - 2017/8/29/pubmed PY - 2017/8/29/medline KW - Clinical Assessment Interview for Negative Symptoms KW - Measurement KW - Negative symptoms KW - Validity KW - schizophrenia SP - 413 EP - 419 JF - Psychiatry investigation JO - Psychiatry Investig VL - 14 IS - 4 N2 - OBJECTIVE: Clinical Assessment Interview for Negative Symptoms (CAINS) has recently been developed to improve measurement of negative symptoms in schizophrenia. We performed a multi-center study to validate the Korean version of the CAINS (CAINS-K) and explore potential cultural variation. METHODS: One hundred eighty schizophrenia patients diverse in demographic and illness profile were recruited from four centers in Korea. Along with the CAINS-K, the Scale for the Assessment of Negative Symptoms (SANS), Brief Psychiatric Rating Scale (BPRS), Calgary Depression Scale for Schizophrenia (CDSS), a self-report measure of behavioral inhibition and activation (BIS/BAS) and neurocognitive tasks were administered to verify external validities. RESULTS: The CAINS-K showed high internal-consistency (0.92) and inter-rater reliability (0.77). Exploratory Factor Analysis replicated a two-factor structure of the original scale including motivation/pleasure and expression deficits dimensions. Korean patients tended to report lower pleasure compared to American patients in the prior study. The CAINS-K showed an adequate convergent validity with the SANS, negative symptoms of the BPRS, and BAS. A divergent validity was supported as the CAINS-K showed zero or only weak correlations with other symptoms of the BPRS, depression from the CDSS, and neurocognitive tasks. CONCLUSION: The CAINS-K demonstrated high internal consistency and adequate external validities, and is expected to promote studies on negative symptoms in Korean patients with schizophrenia. SN - 1738-3684 UR - https://www.unboundmedicine.com/medline/citation/28845167/Validation_of_the_Korean_Version_of_the_Clinical_Assessment_Interview_for_Negative_Symptoms_ L2 - http://psychiatryinvestigation.org/journal/view.php?doi=10.4306/pi.2017.14.4.413 DB - PRIME DP - Unbound Medicine ER -