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Volume 15 No. 04
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Accepted Papers

Scientific Investigations

Total Sleep Time and BMI z-score Are Associated With Physical Function Mobility, Peer Relationship, and Pain Interference in Children Undergoing Routine Polysomnography: A PROMIS Approach

Bharat Bhushan, PhD, CCSH1,2; Amanda Beneat, MD3; Charles Ward, MD3; Alex Satinsky, MS1; Michael L. Miller, MD4; Lauren C. Balmert, PhD5; John Maddalozzo, MD1,2
1Division of Otolaryngology Head and Neck Surgery, Ann and Robert H. Lurie Children's Hospital, Chicago, Illinois; 2Department of Otolaryngology Head and Neck Surgery, Northwestern University Feinberg School of Medicine, Chicago, Illinois; 3Rosalind Franklin University, North Chicago, Illinois; 4Stanley Manne Children's Research Institute, Ann and Robert H. Lurie Children's Hospital, Chicago, Illinois; 5Department of Preventive Medicine, Northwestern University Feinberg School of Medicine, Chicago, Illinois


Sleep disturbance, especially obstructive sleep apnea (OSA) and inadequate sleep, adversely affect various health-related quality of life (HR-QoL) domains in adults. Few studies have addressed problems with HR-QoL in children with OSA or sleep-related symptoms.


Patients between ages 5 to 17 years who were referred to the sleep laboratory from June 2017 to August 2017 for overnight polysomnography were approached to participate in the study.


A total of 86 patients were included in the final analysis; 45 patients (52.3%) were male; and the median (interquartile range) of their mean BMI z-scores was 1.7 (0.5, 2.4). The patients were categorized by OSA severity as follows: 27 (31.4%) mild OSA, 11 (12.8%) moderate OSA, 24 (27.9%) severe OSA, and 24 (27.9%) without OSA. Severity of OSA was not correlated with any PROMIS domain. In univariable analyses, BMI z-score was negatively correlated with physical function mobility score (P = .002) and positively correlated with pain interference (P = .02) and pain intensity (P = .02). Total sleep time was positively correlated with physical function mobility (P = .03) and peer relationship (P = .002). Significant correlations between several PROMIS domains were also observed.


Total sleep time was associated with physical function mobility and peer relationship. Regression analysis demonstrated a relationship between BMI z-score, physical function mobility, and pain intensity in our study population.


A commentary on this article appears in this issue on page 541.


Bhushan B, Beneat A, Ward C, Satinsky A, Miller ML, Balmert LC, Maddalozzo J. Total sleep time and BMI z-score are associated with physical function mobility, peer relationship, and pain interference in children undergoing routine polysomnography: a PROMIS approach. J Clin Sleep Med. 2019;15(4):641–648.

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