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Socioeconomic status and risk of rheumatoid arthritis: a Danish case-control study.

Authors
  • Pedersen, Merete
  • Jacobsen, Søren
  • Klarlund, Mette
  • Frisch, Morten
Type
Published Article
Journal
The Journal of rheumatology
Publication Date
Jun 01, 2006
Volume
33
Issue
6
Pages
1069–1074
Identifiers
PMID: 16622905
Source
Medline
License
Unknown

Abstract

The inverse association between level of education and risk of RF-positive RA was not explained by any of the examined lifestyle factors. RF-positive and RF-negative RA may be 2 distinct diseases with different etiologies, with unmeasured factors related to educational level predominantly associated with the risk of RF-positive RA. However, because mechanisms underlying referral to a hospital might be linked to educational level, our observation based on hospital-referred RA patients should be evaluated cautiously. The study stresses the importance of taking SES measures into account in studies that aim at identifying environmental risk factors for RA.

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