• Jennifer A Rabbitts, Amy Lewandowski Holley, Cornelius B Groenewald, and Tonya M Palermo.
• Department of Anesthesiology and Pain Medicine, University of Washington, Seattle, Washington; Seattle Children's Research Institute, Seattle, Washington. Electronic address: Jennifer.rabbitts@seattlechildrens.org.
• J Pain. 2016 Jun 1; 17 (6): 678-84.

UnlabelledPain involving several body regions generally represents nervous system pathophysiology shifting from predominantly peripheral to more central. In adults, higher widespread pain scores are clinically meaningful and confer risk for poor response to treatment. It is unknown whether widespread pain is similarly important in children. To address this gap, we conducted an observational study examining 1) associations between widespread pain and functional impairment and health-related quality of life (HRQOL) in clinical pediatric samples, and 2) associations among sociodemographic factors and pain catastrophizing with widespread pain scores. Participants were 166 children aged 10 to 18 years from 3 samples (acute pain, presurgery, chronic pain). Children self-reported pain intensity, pain catastrophizing, functional impairment, and HRQOL. Children indicated pain locations on a body diagram, which was coded using the American College of Rheumatology definition of widespread pain. Results revealed higher widespread pain scores were associated with greater functional impairment with routine activities (F = 3.15, P = .02) and poorer HRQOL (F = 3.29, P = .02), adjusting for pain intensity, study group, and demographic characteristics. Older age (B = .11, P = .02), and Hispanic ethnicity (B = .67, P = .04) were associated with higher widespread pain scores. Findings support incorporating evaluation of widespread pain into pediatric pain assessment. Future research is needed to examine the longitudinal effect of widespread pain on children's treatment outcomes.PerspectiveThis article examines the association between widespread pain scores and functional impairment and HRQOL in community and clinical samples of children. Assessment of the spatial distribution of the pain experience provides unique information that may identify children at risk for poorer health.Copyright © 2016 American Pain Society. Published by Elsevier Inc. All rights reserved.

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