References
- Galea S, Tracy M. Participation rates in epidemiologic studies. Ann Epidemiol 2007;17:643–53.
- Shen M, Cozen W, Huang L, Colt J, De Roos AJ, Severson RK, Census and geographic differences between respondents and nonrespondents in a case–control study of non-Hodgkin lymphoma. Am J Epidemiol 2008;167:350–61.
- Lundberg I, Damstrom Thakker K, Hallstrom T, Forsell Y. Determinants of non-participation, and the effects of non-participation on potential cause–effect relationships, in the PART study on mental disorders. Soc Psychiatry Psychiatr Epidemiol 2005;40:475–83.
- Korkeila K, Suominen S, Ahvenainen J, Ojanlatva A, Rautava P, Helenius H, Non-response and related factors in a nation-wide health survey. Eur J Epidemiol 2001;17:991–9.
- Kauppi M, Sokka T, Hannonen P. Survey nonresponse is associated with increased mortality in patients with rheumatoid arthritis and in a community population. J Rheumatol 2005;32:807–10.
- Kallberg H, Jacobsen S, Bengtsson C, Pedersen M, Padyukov L, Garred M, Alcohol consumption is associated with decreased risk of rheumatoid arthritis: results from two Scandinavian case-control studies. Ann Rheum Dis 2009;68:222–7.
- Klareskog L, Stolt P, Lundberg K, Kallberg H, Bengtsson C, Grunewald J, A new model for an etiology of rheumatoid arthritis: smoking may trigger HLA-DR (shared epitope)-restricted immune reactions to autoantigens modified by citrullination. Arthritis Rheum 2006;54:38–46.
- Arnett FC, Edworthy SM, Bloch DA, McShane DJ, Fries JF, Cooper NS, The American Rheumatism Association 1987 revised criteria for the classification of rheumatoid arthritis. Arthritis Rheum 1988;31:315–24.
- Bengtsson C, Nordmark B, Klareskog L, Lundberg I, Alfredsson L; EIRA study group. Socioeconomic status and the risk of developing rheumatoid arthritis: results from the Swedish EIRA study. Ann Rheum Dis 2005;64:1588–94.