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Open AccessFeature PaperArticle

Sleep Quality in Patients with Rheumatoid Arthritis and Associations with Pain, Disability, Disease Duration, and Activity

1
Department of Social and Preventive Medicine, Centre for Public Health, Medical University of Vienna, Kinderspitalgasse 15, 1090 Vienna, Austria
2
Department of Rheumatology and Osteology, Kaiser Franz Josef Hospital, Sozialmedizinisches Zentrum Süd, Kundratstrasse 3, 1100 Vienna, Austria
3
Karl Landsteiner Institute for Autoimmune Diseases and Rheumatology, Kundratstrasse 3, 1100 Vienna, Austria
4
Karl Landsteiner Institute for Remobilisation and Functional Health, Kundratstrasse 3, 1100 Vienna, Austria
5
Department of Physical Medicine and Rehabilitation, Kaiser-Franz-Josef-Hospital, Sozialmedizinisches Zentrum Süd, Kundratstrasse 3, 1100 Vienna, Austria
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2018, 7(10), 336; https://doi.org/10.3390/jcm7100336
Received: 4 September 2018 / Revised: 27 September 2018 / Accepted: 8 October 2018 / Published: 9 October 2018
We aimed to assess the subjective sleep quality in patients with rheumatoid arthritis (RA) and its correlation with disease activity, pain, inflammatory parameters, and functional disability. In a cross-sectional study, patients with confirmed RA diagnosis responded to a questionnaire (consisting of socio-demographic data, the Health Assessment Questionnaire Disability Index, and the Medical Outcome Study Sleep Scale). Disease activity was assessed with the Clinical Disease Activity Index, and pain levels using the visual analogue scale. In addition, inflammatory markers (C-reactive protein, interleukin-6, and tumor necrosis factor alpha) were analyzed. Ninety-five patients were analyzed, predominantly female, with an average age of 50.59 (9.61) years. Fifty-seven percent reported non-optimal sleep duration, where functional disability (92.7% vs. 69.8%; p = 0.006) and higher median pain levels (3.75 (2.3–6.0) vs. 2.5 (2.0–3.5); p = 0.003) were also more prevalent. No differences in sociodemographic variables, disease duration or activity, inflammatory parameters, or use of biological and corticosteroid therapy were observed. The multivariate regression analysis showed that more intense pain was associated with a lower likelihood of optimal sleep (odds ratio (OR) = 0.68, 95% confidence interval (CI) 0.47–0.98, p = 0.038). Patients with RA report a high prevalence of non-optimal sleep, which is linked to pain level. Clinicians need to be aware of this issue and the potential effects on health and functional status. View Full-Text
Keywords: rheumatoid arthritis; sleep; sleep disorders; pain rheumatoid arthritis; sleep; sleep disorders; pain
MDPI and ACS Style

Grabovac, I.; Haider, S.; Berner, C.; Lamprecht, T.; Fenzl, K.-H.; Erlacher, L.; Quittan, M.; Dorner, T.E. Sleep Quality in Patients with Rheumatoid Arthritis and Associations with Pain, Disability, Disease Duration, and Activity. J. Clin. Med. 2018, 7, 336.

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