Lower education and living in countries with lower wealth are associated with higher disease activity in rheumatoid arthritis: results from the multinational COMORA study.
Polina PutrikJosef S SmolenAndras P KeszeiIhsane HmamouchiMaxime DougadosTill UhligTore K KvienAnnelies BoonenPublished in: Annals of the rheumatic diseases (2015)
Female gender and lower individual or country SES were independently associated with DAS28, but did not reinforce each other. The association between lower individual SES (education) or lower country welfare (GDP) with higher DAS28 was partially mediated by uptake of bDMARDs.