Korean Version of Inventory of Complicated Grief Scale: Psychometric Properties in Korean Adolescents
- Authors
- Han, Doug Hyun; Lee, Jung Jae; Moon, Duk-Soo; Cha, Myoung-Jin; Kim, Min A.; Min, Seonyeong; Yang, Ji Hoon; Lee, Eun Jeong; Yoo, Seo Koo; Chung, Un-Sun
- Issue Date
- Jan-2016
- Publisher
- KOREAN ACAD MEDICAL SCIENCES
- Keywords
- Complicated Grief; Adolescent; Factor Analysis; Statistical; Reliability of Results; Screening
- Citation
- JOURNAL OF KOREAN MEDICAL SCIENCE, v.31, no.1, pp.114 - 119
- Journal Title
- JOURNAL OF KOREAN MEDICAL SCIENCE
- Volume
- 31
- Number
- 1
- Start Page
- 114
- End Page
- 119
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/5563
- DOI
- 10.3346/jkms.2016.31.1.114
- ISSN
- 1011-8934
- Abstract
- We aimed to validate the Inventory of Complicated Grief (ICG)-Korean version among 1,138 Korean adolescents, representing a response rate of 57% of 1,997 students. Participants completed a set of questionnaires including demographic variables (age, sex, years of education, experience of grief), the ICG, the Children's Depression Inventory (CDI) and the Lifetime Incidence of Traumatic Events-Child (LITE-C). Exploratory factor analysis was performed to determine whether the ICG items indicated complicated grief in Korean adolescents. The internal consistency of the ICG-Korean version was Cronbach's alpha = 0.87. The test-retest reliability for a randomly selected sample of 314 participants in 2 weeks was r = 0.75 (P < 0.001). Concurrent validity was assessed using a correlation between the ICG total scores and the CDI total scores (r = 0.75, P < 0.001). The criterion-related validity based on the comparison of ICG total scores between adolescents without complicated grief (1.2 +/- 3.7) and adolescent with complicated grief (3.2 +/- 6.6) groups was relatively high (t = 5.71, P < 0.001). The data acquired from the 1,138 students was acceptable for a factor analysis (Kaiser-Meyer-Olkin Measure of Sampling Adequacy = 0.911; Bartlett's Test of Sphericity, chi(2) = 13,144.7, P < 0.001). After omission of 3 items, the value of Cronbach's a increased from 0.87 for the 19-item ICG-Korean version to 0.93 for the 16-item ICG-Korean version. These results suggest that the ICG is a useful tool in assessing for complicated grief in Korean adolescents. However, the 16-item version of the ICG appeared to be more valid compared to the 19-item version of the ICG. We suggest that the 16-item version of the ICG be used to screen for complicated grief in Korean adolescents.
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