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Table 1 Rheumatoid arthritis in rural and urban Quebec: Period prevalence (1992–2008) estimates (per 1,000 residents) according to age and sex categories, based on latent class model regression

From: Rheumatoid arthritis prevalence in Quebec

Region Age and sex group Prevalence 95% CrI*
   [per 1000]  
Rural Female 45+ 9.95 9.94, 9.95
  Female < 45 1.53 1.44, 1.62
  Male 45+ 7.45 7.20, 7.70
  Male < 45 0.47 0.43, 0.52
Urban Female 45+ 9.95 9.95, 9.95
  Female < 45 2.05 1.97, 2.13
  Male 45+ 9.94 9.90, 9.95
  Male < 45 0.73 0.68, 0.78
  1. *Bayesian 95% credible intervals the values between which there is a 95% probability of containing the parameter of interest, given the data and the prior information used.