• Matthew E Schumann, Brandon J Coombes, Keith E Gascho, Jennifer R Geske, Mary C McDermott, Eleshia J Morrison, Andrea L Reynolds, Jessica L Bernau, and Wesley P Gilliam.
• Departments of Psychiatry and Psychology, Mayo Clinic College of Medicine, Rochester, Minnesota, USA.
• Pain Med. 2022 Apr 8; 23 (4): 697-706.

BackgroundDecreasing pain catastrophizing and improving self-efficacy to self-manage chronic pain symptoms are important treatment targets in the context of interdisciplinary pain rehabilitation. Greater pain catastrophizing has been shown to be associated with greater impact of pain symptoms on functioning; conversely, greater pain self-efficacy has been associated with lower pain intensity and lower levels of disability.ObjectiveTo prospectively evaluate interdisciplinary pain rehabilitation outcomes, as well as to evaluate the mediating effects of both pain catastrophizing and pain self-efficacy on outcome.MethodsParticipants were 315 patients with chronic pain between April 2017 and April 2018 who completed a 3-week interdisciplinary pain rehabilitation program. Pain severity, pain interference, pain catastrophizing, pain self-efficacy, quality of life, depressive symptom questionnaires, and measures of physical performance were assessed before and after treatment. Follow-up questionnaires were returned by 163 participants. Effect size and reliable change analyses were conducted from pre- to posttreatment and from pretreatment to 6-month follow-up. Mediation analyses were conducted to determine the mediating effect of pain catastrophizing and pain self-efficacy on pain outcome.ResultsSignificant improvements from pre- to posttreatment in pain outcomes were observed, and more than 80% evidenced a reliable change in at least one pain-relevant measure. Pain catastrophizing and pain self-efficacy mediated the relationship between changes in pain outcomes.ConclusionsInterdisciplinary pain rehabilitation is an effective treatment, and decreasing pain catastrophizing and increasing pain self-efficacy can influence maintenance of treatment gains.© The Author(s) 2021. 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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