作者
Benjamin Gierk, Sebastian Kohlmann, Kurt Kroenke, Lena Spangenberg, Markus Zenger, Elmar Brähler, Bernd Löwe
发表日期
2014/3/1
期刊
JAMA internal medicine
卷号
174
期号
3
页码范围
399-407
出版商
American Medical Association
简介
Importance
Somatic symptoms are the core features of many medical diseases, and they are used to evaluate the severity and course of illness. The 8-item Somatic Symptom Scale (SSS-8) was recently developed as a brief, patient-reported outcome measure of somatic symptom burden, but its reliability, validity, and usefulness have not yet been tested.
Objective
To investigate the reliability, validity, and severity categories as well as the reference scores of the SSS-8.
Design, Setting, and Participants
A national, representative general-population survey was performed between June 15, 2012, and July 15, 2012, in Germany, including 2510 individuals older than 13 years.
Main Outcomes and Measures
The SSS-8 mean (SD), item-total correlations, Cronbach α, factor structure, associations with measures of construct validity (Patient Health Questionnaire–2 depression scale, Generalized Anxiety Disorder–2 scale …
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B Gierk, S Kohlmann, K Kroenke, L Spangenberg… - JAMA internal medicine, 2014