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Table 2 Rheumatoid arthritis in over-all rural Quebec and in two rural sub-regions: Period prevalence (1992–2008) estimates (per 1,000 residents) according to age and sex categories, based on latent class model regression: Contrasting rural Quebec results to two rural sub-regions

From: Rheumatoid arthritis prevalence in Quebec

Region Age and sex group Prevalence 95% CrI**
   [per 1000]   
Rural Quebec* Female 45+ 9.95 9.94 9.95
  Female < 45 y/o 1.53 1.44 1.62
  Male 45+ 7.45 7.20 7.70
  Male < 45 y/o 0.47 0.43 0.52
Iles de la Madeleine Female 45+ 9.65 9.00 9.94
  Female < 45 y/o 4.00 2.00 7.22
  Male 45+ 7.17 4.24 9.71
  Male < 45 y/o 0.37 0.00 2.10
Saguenay Female45+ 9.90 9.68 9.95
  Female < 45 y/o 2.30 1.77 2.99
  Male 45+ 5.50 4.45 6.80
  Male < 45 y/o 0.60 0.38 0.99
  1. *Estimate for rural Quebec does not include the two sub-regions.
  2. **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.