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Journal of Pediatric Psychology Advance Access published online on December 11, 2007

Journal of Pediatric Psychology, doi:10.1093/jpepsy/jsm121
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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

Introductin to the Special Issue: Polysomnography and Self-reported Sleep, Pain, Fatigue, and Anxiety in Children with Active and Inactive Juvenile Rheumatoid Arthritis

Teresa M. Ward, PhD RN1, Patricia Brandt, PhD RN2, Kristen Archbold, PhD RN1, Martha Lentz, PhD RN1, Sarah Ringold, MD3, Carol A. Wallace, MD3 and Carol A. Landis, DNSc RN FAAN1

1Biobehavioral Nursing and Health Systems, 2Department of Family and Child Nursing, School of Nursing, and 3Department of Pediatrics, Immunology, Rheumatology & Infect Disease, School of Medicine, University of Washington

All correspondence concerning this article should be addressed to Carol A. Landis, DNSc, RN, FAAN, Professor, Box 357266, Biobehavioral Nursing and Health Systems, University of Washington, Seattle, WA, 98195-7266, USA. E-mail: calandis{at}u.washington.edu


   Abstract

Objective To compare polysomnography (PSG) and self-reported sleep, symptoms (pain and fatigue), and anxiety between children with active and inactive juvenile rheumatoid arthritis (JRA) and examine relations among sleep, symptoms, and anxiety. Methods Two consecutive nights of PSG, self-reported sleep, and symptoms were obtained in 70 children 6–11 years of age with active (n = 35) or inactive (n = 35) JRA. Results On the second (study) night, PSG and self-reported sleep variables were not different, but pain and fatigue were significantly higher (both p <.02) in children with active compared to inactive disease. In a stepwise regression, age, medications, disease status, anxiety, evening pain, total sleep time, and arousals explained 36% of the variance in fatigue and age, disease status, and evening pain were significant (all p <.04) predictors of fatigue. All children showed longer sleep latency and reduced sleep efficiency on the first night in the laboratory. Conclusions Sleep was not altered in children with active JRA, however, the "first night effect" suggests that valid laboratory sleep assessments require an adaptation night.

Key words: fatigue, pain, anxiety; juvenile rheumatoid arthritis; polysomnography; sleep; sleep disturbance.

Received April 27, 2007; revision received November 9, 2007; accepted November 9, 2007


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