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Table 1 Regression Model of Directly Standardized Incidence of CD

From: Geographical variation of Crohn's disease residual incidence in the Province of Quebec, Canada

      95% Confidence Interval
Variables Coefficients Robust SE T-values P-values Lower Upper
Immigration -0.14 0.01 -12.19 <0.01 -0.16 -0.11
Jewish ethnicity 0.23 0.02 11.98 <0.01 0.19 0.27
Aboriginal ancestry -0.22 0.05 -4.14 <0.01 -0.34 -0.11
Material deprivation -0.96 0.49 -1.96 0.07 -2.00 0.09
Reported Enteric infection 0.06 0.05 1.09 0.29 -0.05 0.17
Constant 15.87 1.03 15.38 <0.01 13.66 18.08
  1. Regression model coefficients were estimated using robust standard error procedure. Model includes the regional effect of immigration, population of Jewish ethnicity, population of aboriginal ancestry, material deprivation and incidence of enteric diseases (n = 156), R2 = 0.2284.