Article Publish Status: FREE
Abstract Title:

Relationship between shift work and the onset of rheumatoid arthritis.

Abstract Source:

RMD Open. 2017 ;3(2):e000475. Epub 2017 Aug 29. PMID: 29225920

Abstract Author(s):

Anna Karin Hedström, Torbjörn Åkerstedt, Lars Klareskog, Lars Alfredsson

Article Affiliation:

Anna Karin Hedström


Background: Environmental factors play a prominent role in rheumatoid arthritis (RA) aetiology. Shift work has previously been associated with increased RA risk in females. The aim of this study was to investigate the potential association, including a dose-response association, between permanent night shift work, rotating shift work and day-oriented shift work and risk of developing anticitrullinated peptide antibodies (ACPA)-positive and ACPA-negative RA.

Methods: The present report is based on a population-based, case-control study with incident cases of RA (1951 cases and 2225 controls matched by age, gender and residential area). Using logistic regression, occurrence of RA among subjects who have been exposed to different kinds of shift work was compared with that among those who have never been exposed by calculating the OR with a 95% CI.

Results: Rotating shift work and day-oriented shift work increased the risk of developing ACPA-positive RA (OR 1.3, 95% CI 1.0 to 1.7 and OR 1.3, 95% CI 1.0 to 1.6), but not ACPA-negative RA. Permanent night shift work appeared to be a protective factor both against ACPA-positive RA (OR 0.7, 95% CI 0.6 to 0.9) and ACPA-negative RA (OR 0.8, 95% CI 0.6 to 1.0). For both subsets of RA, significant trends showeda lower risk of developing RA with increasing duration of permanent night shift work (p value for trend 0.002 vs 0.04).

Conclusions: Sleep restriction as a consequence of shift work is associated with several biological effects among which changes in melatonin production may be involved. The present epidemiological findings of a complex relationship between sleep patterns and different forms of RA may be of importance for increasing the understanding of the pathophysiology of RA.

Study Type : Human Study
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Anti Therapeutic Actions : Shift Work : CK(149) : AC(19)

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