The Relationship Between Global Sleep Score And Inflammatory Markers In Obese Adults From The United States
Authors Huang Y, Jiang Y, Zhu M
Received 22 June 2019
Accepted for publication 8 October 2019
Published 5 November 2019 Volume 2019:11 Pages 317—324
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Ms Aruna Narula
Peer reviewer comments 2
Editor who approved publication: Dr Sutapa Mukherjee
Ying Huang,1,* Ying Jiang,2,* Meilan Zhu2
1Department of Cardiovascular Medicine, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, People’s Republic of China; 2Department of Rehabilitation, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi 330006, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Meilan Zhu
Department of Rehabilitation, The Second Affiliated Hospital of Nanchang University, No. 1 Minde Road, Donghu District, Nanchang, Jiangxi 330006, People’s Republic of China
Background: Poor sleep is a risk factor for cardiovascular diseases (CVDs). The underlying pathogenesis is not clear. Levels of inflammatory markers, such as C-reactive protein (CRP), interleukin-6 (IL-6) and tumor necrosis factor-ɑ (TNF-ɑ), have been found to be elevated in patients with CVDs.
Aim: The study aimed to investigate the associations between sleep quality and serum inflammatory markers in a cohort of obese adults.
Methods: This was a second analysis of the data from the Midlife in the United States (MIDUS) study, a longitudinal study of a national (US) sample of adults. A total of 1255 participants completed comprehensive biological assessments. The associations between global sleep score and serum levels of inflammatory markers were analyzed.
Results: Univariate analysis showed that a higher global sleep score was correlated with lower age (r = −0.079, P= 0.009), higher BMI (r = 0.100, P= 0.001) and heavier perceived stress (r = 0.335, P<0.001). Multivariate linear regression analysis showed that the global sleep score was positively related to levels of IL-6 (Sβ=0.074, P=0.009), IL-8 (Sβ=0.089, P=0.002), TNF-ɑ (Sβ=0.0.082, P=0.005), E-selectin (Sβ=0.071, P=0.016) and intercellular adhesion molecule-1 (ICAM-1, Sβ=0.117, P<0.001) after adjustments were made for age, gender, race, marital status, education, current smoking status, physician-diagnosed CVDs and respiratory diseases, BMI and perceived stress. However, the global sleep score was not associated with serum IL-10 (Sβ=−0.021, P=0.463) and CRP (Sβ=0.035, P=0.059) levels after adjustments were made for these confounding factors.
Conclusion: Poor sleep is positively associated with serum inflammatory marker levels among obese adults. Sufficient sleep may be particularly important for obese adults to prevent CVDs.
Keywords: global sleep score, inflammation, body mass index, perceived stress, obese adults
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