Psychological symptoms of somatoform disorders will be part of their new definition in DSM-5. We developed the Somatic Symptoms Experiences Questionnaire (SSEQ) as a self-report questionnaire to assess important psychological characteristics of patients with somatoform disorders. Item selection and identification of factor structure, as well as reliability and validity have been checked in a sample of N=453 psychsomatic outpatients. Results of a principal components analysis with Promax-rotation suggested 4 factors (health worries, illness experience, difficulties in interaction with doctors, impact of illness). Validity analyses confirmed associations between the SSEQ-Scores and the physical disability of patients. Although further assessments of psychometric qualities are needed, the questionnaire appears to be well-suited for future assessment of relevant psychological features of somatoform disorders.
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Psychological symptoms of somatoform disorders will be part of their new definition in DSM-5. We developed the Somatic Symptoms Experiences Questionnaire (SSEQ) as a self-report questionnaire to assess important psychological characteristics of patients with somatoform disorders. Item selection and identification of factor structure, as well as reliability and validity have been checked in a sample of N=453 psychsomatic outpatients. Results of a principal components analysis with Promax-rotation...
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