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Journal of Pediatric Psychology Advance Access originally published online on August 8, 2007
Journal of Pediatric Psychology 2008 33(3):317-322; doi:10.1093/jpepsy/jsm058
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© The Author 2007. Published by Oxford University Press on behalf of the Society of Pediatric Psychology. All rights reserved. For permissions, please e-mail: journals.permissions@oxfordjournals.org

Brief Report: Daily Mood as a Mediator or Moderator of the Pain–Sleep Relationship in Children with Sickle Cell Disease

Cecelia R. Valrie, PhD1,2, Karen M. Gil, PhD1, Rupa Redding-Lallinger, MD1 and Charles Daeschner, MD2

1University of North Carolina at Chapel Hill and 2East Carolina University

All correspondence concerning this article should be addressed to Cecelia R. Valrie, PhD, Department of Psychology, 320 Rawl Building, Greenville, NC 27858. E-mail: valriec{at}ecu.edu


  Abstract

Objective To investigate mood as a mediator or moderator of the pain-sleep relationship in children with sickle cell disease (SCD). Method Children with SCD (n = 20; aged 8–12 years) completed daily diaries assessing mood, sleep, and pain for up to 2 months. Data was analyzed using multilevel modeling. Results Results indicate that negative mood partially mediates the relationship between high daily pain and poor sleep that night as well the relationship between poor sleep and high daily pain the following day. The impact of poor sleep on high pain the following day was weakened at increasing levels of positive mood. Conclusion Research is needed to fully explore the ways positive and negative mood may relate to pain and sleep characteristics. This information may be beneficial for developing more effective pain management and sleep interventions.

Key words: diary; mood; pain; sickle cell disease; sleep.

Received April 29, 2007; revision received June 15, 2007; accepted July 10, 2007


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