• Hila Avishai Cohen and Gadi Zerach.
• Department of Behavioral Sciences and Psychology, Ariel University, Ariel, Israel.
• Pain Med. 2021 Feb 23; 22 (2): 363-371.

ObjectivesThe contribution of psychological risk factors to the intensification of pain experienced among individuals with fibromyalgia syndrome (FMS) is relatively under-studied. The present study aims to explore associations between FMS-related somatic symptom severity and two personality tendencies: anxiety sensitivity (AS) and socially prescribed perfectionism (SPP). Furthermore, the relative contributions of these personality tendencies are examined vis-à-vis the experience of potentially traumatic events (PTEs) and the psychopathology of posttraumatic stress symptoms (PTSS).MethodsA volunteer sample of 117 Israeli adults with FMS responded to online validated self-report questionnaires regarding their PTEs, PTSS, somatic symptom severity, FMS, AS, and SPP in a cross-sectional study.ResultsParticipants' self-reported PTSS rates (61.5%) were high. AS and SPP were positively related to somatic symptom severity. Interestingly, we found that PTSS positively predicted the severity of somatic symptoms above and beyond the contributions of AS and SPP.ConclusionsThe present study supports the assumption that psychological risk factors may affect the expression of somatic symptoms and the interpretation of pain stimulus arising in the body that might eventually be experienced as excessively painful. The study also suggests that above and beyond psychological risk factors, PTSS may express a high predominance and affect pain perception among participants with FMS.© The Author(s) 2020. Published by Oxford University Press on behalf of the American Academy of Pain Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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