Development and validation of the somatic symptom disorder-b criteria scale (SSD-12)

Anne Toussaint, Alexandra M. Murray, Katharina Voigt, Annabel Herzog, Benjamin Gierk, Kurt Kroenke, Winfried Rief, Peter Henningsen, Bernd Löwe

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Objective: To develop and validate a new self-report questionnaire for the assessment of the psychological features of Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition somatic symptom disorder. Methods: The Somatic SymptomDisorder-B Criteria Scale (SSD-12) was developed in several steps from an initial pool of 98 items. The SSD-12 is composed of 12 items; each of the three psychological subcriteria is measured by four items. In a cross-sectional study, the SSD-12 was administered to 698 patients (65.8% female, mean [standard deviation] age = 38.79 [14.15] years) from a psychosomatic outpatient clinic. Item and scale characteristics as well as measures of reliability and validity were determined. Results: The SSD-12 has good item characteristics and excellent reliability (Cronbach α =.95). Confirmatory factor analyses suggested that a three-factorial structure that reflects the three psychological criteria interpreted as cognitive, affective, and behavioral aspects (n = 663, Comparative Fit Index > 0.99, Tucker-Lewis Index > 0.99, Root Mean Square Error of Approximation = 0.06, 90% confidence interval = 0.01-0.08). SSD-12 total sum score was significantly associated with somatic symptom burden (r = 0.47, p

Original languageEnglish (US)
Pages (from-to)5-12
Number of pages8
JournalPsychosomatic Medicine
Volume78
Issue number1
DOIs
StatePublished - 2016

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Silver Sulfadiazine
Psychology
Ambulatory Care Facilities
Reproducibility of Results
Diagnostic and Statistical Manual of Mental Disorders
Self Report
Statistical Factor Analysis
Cross-Sectional Studies
Medically Unexplained Symptoms
Psychological
Confidence Intervals

Keywords

  • Diagnostic instruments
  • Psychometrics
  • Self-report
  • Somatic symptom disorder
  • Somatoform disorders
  • SSD-12

ASJC Scopus subject areas

  • Psychiatry and Mental health
  • Applied Psychology
  • Arts and Humanities (miscellaneous)
  • Developmental and Educational Psychology

Cite this

Development and validation of the somatic symptom disorder-b criteria scale (SSD-12). / Toussaint, Anne; Murray, Alexandra M.; Voigt, Katharina; Herzog, Annabel; Gierk, Benjamin; Kroenke, Kurt; Rief, Winfried; Henningsen, Peter; Löwe, Bernd.

In: Psychosomatic Medicine, Vol. 78, No. 1, 2016, p. 5-12.

Research output: Contribution to journalArticle

Toussaint, A, Murray, AM, Voigt, K, Herzog, A, Gierk, B, Kroenke, K, Rief, W, Henningsen, P & Löwe, B 2016, 'Development and validation of the somatic symptom disorder-b criteria scale (SSD-12)', Psychosomatic Medicine, vol. 78, no. 1, pp. 5-12. https://doi.org/10.1097/PSY.0000000000000240
Toussaint, Anne ; Murray, Alexandra M. ; Voigt, Katharina ; Herzog, Annabel ; Gierk, Benjamin ; Kroenke, Kurt ; Rief, Winfried ; Henningsen, Peter ; Löwe, Bernd. / Development and validation of the somatic symptom disorder-b criteria scale (SSD-12). In: Psychosomatic Medicine. 2016 ; Vol. 78, No. 1. pp. 5-12.
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