• Renata Hadzic, Louise Sharpe, and Bradley M Wood.
• School of Psychology, The University of Sydney, Sydney, New South Wales, Australia.
• J Pain. 2017 Oct 1; 18 (10): 116511731165-1173.

UnlabelledActivity pacing is ubiquitous in chronic pain management and aims to reduce pain-contingent avoidance of activity to improve functioning. A meta-analysis, however, has linked pacing with higher levels of pain and disability. One potential explanation is an overlap between existing measures of pacing and avoidance, leading to links with poorer outcomes that are typically associated with avoidance. This study systematically reviews the evidence regarding the relationship between measures of pacing and avoidance. A search was conducted for studies measuring both constructs in adults with chronic pain. A meta-analysis of correlations between pacing and avoidance was conducted; 16 studies were included and a small positive correlation was found (r = .290, P < .001) overall. Single-item and multiple-item measures were also compared; a moderate positive correlation was found for multiple-item measures (r = .410, P < .001), which differed significantly from a small positive correlation found for single-item measures (r = .105, P < .001). Due to limited studies, independent analyses of individual subscales were not possible. Existing measures of pacing-particularly multiple-item measures-may partially confound pacing with avoidance. Further research is required to ensure that a reliable measure of pacing that distinguishes this construct from avoidance is available to adequately evaluate pacing instruction and the effect of pacing on key outcomes in chronic pain.PerspectiveThis meta-analysis examines the correlation between pacing and avoidance in adults with chronic pain. Results indicate that existing measures may partially confound pacing with avoidance. Directions for future research are proposed to ensure that an adequate measure of pacing exists to evaluate its effect on key outcomes in chronic pain.Crown Copyright © 2017. Published by Elsevier Inc. All rights reserved.

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