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양극성 장애에서 Longitudinal Interval Follow-up Evaluation-Range of Impaired Functioning Tool(LIFE-RIFT)의 신뢰도 및 타당도

 국소담  ;  유빈  ;  김우정  ;  김경란  ;  이은  ;  김세주  ;  전덕인  ;  조현상 
 Journal of Korean Society for Depressive and Bipolar Disorders (우울ㆍ조울병), Vol.8(2) : 138-144, 2010 
Journal Title
 Journal of Korean Society for Depressive and Bipolar Disorders (우울ㆍ조울병) 
Issue Date
Background and Objectives:In this study, we assessed reliability and validity of Longitudinal Interval Followup Evaluation-Range of Impaired Functioning Tool (LIFE-RIFT) with study samples consisted of Korean bipolar disorder patients, and evaluated its availability as a tool for reflecting psycho-social functioning. Materials and Method:The subjects consisted of 28 acute manic or depressive bipolar patients, 72 euthymic bipolar patients, and 69 normal control groups. We compared and supervised Korean version of LIFE-RIFT first. Then we measured its concurrent validity of it by conducting LIFE-RIFT and GAF on patient groups and normal control groups. We also measured discriminative validity by comparing three groups described above. Inter-rater reliability and testretest reliability were analyzed on 17 patients and 14 patients, respectively, and internal consistency of each item was evaluated. Results:Internal consistency of each item of LIFE-RIFT obtained was high with Cronbach’s α =0.75. The correlation between LIFE-RIFT and GAF was negative to a reasonable degree with r=-0.623, p<0.001. The discriminative validity showed significant difference to a reasonable degree among three groups (acute manic/ depressive patient group, euthymic patient group and control group) with p<0.001. This phenomenon was also observed between euthymic state patient group and control group with p<0.001. Test-retest reliability and interrater reliability was high with intraclass coefficient (ICC)=0.85 and ICC=0.98, respectively. Conclusion:Korean version of LIFE-RIFT showed significant reliability and validity in evaluating Korean bipolar disorder patients. Therefore, as proven in other countries, this system can be a useful tool for the assessment of psycho-social functioning in Korea.
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Psychiatry (정신과학교실) > 1. Journal Papers
Yonsei Authors
Kim, Kyung Ran(김경란) ORCID logo https://orcid.org/0000-0001-8375-1851
Kim, Se Joo(김세주) ORCID logo https://orcid.org/0000-0002-5438-8210
Ryu, Vin(유빈)
Lee, Eun(이은) ORCID logo https://orcid.org/0000-0002-7462-0144
Cho, Hyun Sang(조현상) ORCID logo https://orcid.org/0000-0003-1019-9941
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