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Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China

OBJECTIVE: To validate the Chinese language version of the Somatic Symptom Scale-8 (SSS-8) in a sample of outpatients attending tertiary hospitals in China. MATERIALS AND METHODS: A Chinese language version of the SSS-8 was completed by outpatients (n = 699) from psychosomatic medicine, gastroentero...

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Autores principales: Li, Tao, Wei, Jing, Fritzsche, Kurt, Toussaint, Anne C., Zhang, Lan, Zhang, Yaoyin, Chen, Hua, Wu, Heng, Ma, Xiquan, Li, Wentian, Ren, Jie, Lu, Wei, Leonhart, Rainer
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Frontiers Media S.A. 2022
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9583900/
https://www.ncbi.nlm.nih.gov/pubmed/36276338
http://dx.doi.org/10.3389/fpsyt.2022.940206
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author Li, Tao
Wei, Jing
Fritzsche, Kurt
Toussaint, Anne C.
Zhang, Lan
Zhang, Yaoyin
Chen, Hua
Wu, Heng
Ma, Xiquan
Li, Wentian
Ren, Jie
Lu, Wei
Leonhart, Rainer
author_facet Li, Tao
Wei, Jing
Fritzsche, Kurt
Toussaint, Anne C.
Zhang, Lan
Zhang, Yaoyin
Chen, Hua
Wu, Heng
Ma, Xiquan
Li, Wentian
Ren, Jie
Lu, Wei
Leonhart, Rainer
author_sort Li, Tao
collection PubMed
description OBJECTIVE: To validate the Chinese language version of the Somatic Symptom Scale-8 (SSS-8) in a sample of outpatients attending tertiary hospitals in China. MATERIALS AND METHODS: A Chinese language version of the SSS-8 was completed by outpatients (n = 699) from psychosomatic medicine, gastroenterology/neurology, and traditional Chinese medicine clinics of nine tertiary hospitals between September 2016 and January 2018 to test the reliability. The Patient Health Questionnaire-15 (PHQ-15), the Somatic Symptom Disorder–B Criteria Scale (SSD-12), the Patient Health Questionnaire-9 (PHQ-9), the General Anxiety Disorder-7 (GAD-7) scale, the Medical Outcome Study 12-item Short Form Health Survey (SF-12) and the World Health Organization Disability Assessment Schedule (WHO DAS 2.0) were rated to test construct validity. The criterion validity was tested by using the Semi-structured Clinical Interview for DSM-5 (Research Version) (SCID-5-RV) for somatic symptom disorder (SSD) as the diagnostic gold standard to explore the optimal cutoff score of the SSS-8. RESULTS: The average age of the recruited participants was 43.08 (±14.47). 61.4% of them were female. The internal consistency derived from the sample was acceptable (Cronbach α = 0.78). Confirmatory factor analyses resulted in the replication of a three-factor model (cardiopulmonary symptoms, pain symptoms, gastrointestinal and fatigue symptoms) (comparative fit index = 0.95, Tucker-Lewis index = 0.92, root mean square error of approximation = 0.10, 90% confidence interval = 0.08–0.12). The SSS-8 sum score was highly associated with PHQ-15 (r = 0.74, p < 0.001), SSD-12 (r = 0.64, p < 0.001), GAD-7 (r = 0.59, p < 0.001), and PHQ-9 (r = 0.69, p < 0.001). The patients with more severe symptoms showed worse quality of life and disability The optimal cutoff score of SSS-8 was 9 (sensitivity = 0.67, specificity = 0.68). CONCLUSION: Our preliminary assessment suggests that the Chinese language version of the SSS-8 has reliability and validity sufficient to warrant testing further in research and clinical settings.
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spelling pubmed-95839002022-10-21 Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China Li, Tao Wei, Jing Fritzsche, Kurt Toussaint, Anne C. Zhang, Lan Zhang, Yaoyin Chen, Hua Wu, Heng Ma, Xiquan Li, Wentian Ren, Jie Lu, Wei Leonhart, Rainer Front Psychiatry Psychiatry OBJECTIVE: To validate the Chinese language version of the Somatic Symptom Scale-8 (SSS-8) in a sample of outpatients attending tertiary hospitals in China. MATERIALS AND METHODS: A Chinese language version of the SSS-8 was completed by outpatients (n = 699) from psychosomatic medicine, gastroenterology/neurology, and traditional Chinese medicine clinics of nine tertiary hospitals between September 2016 and January 2018 to test the reliability. The Patient Health Questionnaire-15 (PHQ-15), the Somatic Symptom Disorder–B Criteria Scale (SSD-12), the Patient Health Questionnaire-9 (PHQ-9), the General Anxiety Disorder-7 (GAD-7) scale, the Medical Outcome Study 12-item Short Form Health Survey (SF-12) and the World Health Organization Disability Assessment Schedule (WHO DAS 2.0) were rated to test construct validity. The criterion validity was tested by using the Semi-structured Clinical Interview for DSM-5 (Research Version) (SCID-5-RV) for somatic symptom disorder (SSD) as the diagnostic gold standard to explore the optimal cutoff score of the SSS-8. RESULTS: The average age of the recruited participants was 43.08 (±14.47). 61.4% of them were female. The internal consistency derived from the sample was acceptable (Cronbach α = 0.78). Confirmatory factor analyses resulted in the replication of a three-factor model (cardiopulmonary symptoms, pain symptoms, gastrointestinal and fatigue symptoms) (comparative fit index = 0.95, Tucker-Lewis index = 0.92, root mean square error of approximation = 0.10, 90% confidence interval = 0.08–0.12). The SSS-8 sum score was highly associated with PHQ-15 (r = 0.74, p < 0.001), SSD-12 (r = 0.64, p < 0.001), GAD-7 (r = 0.59, p < 0.001), and PHQ-9 (r = 0.69, p < 0.001). The patients with more severe symptoms showed worse quality of life and disability The optimal cutoff score of SSS-8 was 9 (sensitivity = 0.67, specificity = 0.68). CONCLUSION: Our preliminary assessment suggests that the Chinese language version of the SSS-8 has reliability and validity sufficient to warrant testing further in research and clinical settings. Frontiers Media S.A. 2022-09-28 /pmc/articles/PMC9583900/ /pubmed/36276338 http://dx.doi.org/10.3389/fpsyt.2022.940206 Text en Copyright © 2022 Li, Wei, Fritzsche, Toussaint, Zhang, Zhang, Chen, Wu, Ma, Li, Ren, Lu and Leonhart. https://creativecommons.org/licenses/by/4.0/This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.
spellingShingle Psychiatry
Li, Tao
Wei, Jing
Fritzsche, Kurt
Toussaint, Anne C.
Zhang, Lan
Zhang, Yaoyin
Chen, Hua
Wu, Heng
Ma, Xiquan
Li, Wentian
Ren, Jie
Lu, Wei
Leonhart, Rainer
Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China
title Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China
title_full Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China
title_fullStr Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China
title_full_unstemmed Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China
title_short Validation of the Chinese version of the Somatic Symptom Scale-8 in patients from tertiary hospitals in China
title_sort validation of the chinese version of the somatic symptom scale-8 in patients from tertiary hospitals in china
topic Psychiatry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9583900/
https://www.ncbi.nlm.nih.gov/pubmed/36276338
http://dx.doi.org/10.3389/fpsyt.2022.940206
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