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The Validity and Reliability of the Korean Version of the Stigma Scale for Chronic Illness 8-Items (SSCI-8) in Patients with Neurological Disorders

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Abstract

Purpose

The aim of this study was to develop a Korean version of the Stigma Scale for Chronic Illness 8-items (SSCI-8) and then assess its reliability and construct validity among patients with neurological conditions.

Method

Patients diagnosed with stroke, Parkinson’s disease, epilepsy, multiple sclerosis, myasthenia gravis, and amyotrophic lateral sclerosis were recruited. Reliability was assessed for internal consistency with Cronbach’s alpha coefficient. Exploratory factor analysis (EFA) was used to extract potential factors of Korean SSCI-8. Convergent validity was assessed by correlating scores on the Korean SSCI-8 with scores for depression using the Beck Depression Inventory, anxiety using Spielberger’s State-Trait Anxiety Inventory, and functional ability using the Korean modified Barthel Index (K-MBI), respectively.

Results

Of the total 202 patients enrolled in this study, 119 (58.9 %) were recruited with stroke, 33 (16.3 %) with Parkinson’s disease, and 29 (14.4 %) with epilepsy. The Korean SSCI-8 had a high internal consistency (Cronbach’s alpha = 0.90). The Korean SSCI-8 retrieved one factor from eight items by the EFA, and all factor loading scores were above 0.70 (0.71–0.84). The Korean SSCI-8 was correlated positively with depression (r = 0.74, p < 0.001) and anxiety (r = 0.61, p < 0.001), and negatively with the K-MBI (r = −0.48, p < 0.001).

Conclusion

This study shows that the Korean SSCI-8 is a unidimensional model, even though it includes items of both enacted and internalized stigma. It is both reliable and valid for assessing stigma among Korean patients with neurological disease.

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Acknowledgments

This study was supported by a research grant from the Chonnam National University (Grant number: 2013-0846).

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Authors and Affiliations

  1. College of Nursing, Chonnam National University, Gwangju, Republic of Korea

    Sung-Hee Yoo, Hyang Sook So, Hyang-In Cho Chung & Duck Hee Chae

  2. College of Nursing, Chonbuk National University, Jeonju, Republic of Korea

    Sung Reul Kim

  3. Department of Neurology, Chonnam National University Medical School, Gwangju, Republic of Korea

    Myeong-Kyu Kim, Byeong C Kim, Man-Seok Park, Seung-Han Lee & Tai-Seung Nam

  4. Freinberg School of Medicine, Northwestern University, Chicago, IL, USA

    Helena Correia & David Cella

Authors
  1. Sung-Hee Yoo
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  2. Sung Reul Kim
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  12. David Cella
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Corresponding author

Correspondence to Sung-Hee Yoo.

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Ethical Standards

All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1975, as revised in 2000. Informed consent was obtained from all patients included in the study.

Conflict of Interest

The authors declare that they have no conflict of interest.

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Yoo, SH., Kim, S.R., So, H.S. et al. The Validity and Reliability of the Korean Version of the Stigma Scale for Chronic Illness 8-Items (SSCI-8) in Patients with Neurological Disorders. Int.J. Behav. Med. 24, 288–293 (2017). https://doi.org/10.1007/s12529-016-9593-4

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  • DOI: https://doi.org/10.1007/s12529-016-9593-4

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