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Table 2 Summary of key values of the binomial regressions for the main analysis and sensitivity analyses

From: Examining equity in the utilisation of psychiatric inpatient care among patients with severe mental illness (SMI) in Ontario, Canada

Model specification Variable Core model Core + need model Full model
   IRR SE P-value IRR SE P-value IRR SE P-value
Main analysis Material deprivation score 1.435 1.013 <0.0001 1.074 1.011 <0.0001 1.081 1.011 <0.0001
  Interaction term 0.987 1.014 0.367 0.994 1.012 0.649 0.993 1.012 0.559
Sensitivity analysis (including depression) Material deprivation score 1.435 1.013 <0.0001 1.066 1.012 <0.0001 1.078 1.012 <0.0001
  Interaction term 0.987 1.014 0.367 0.992 1.013 0.502 0.989 1.012 0.380
Sensitivity analysis (excluding patients 75 and older) Material deprivation score 1.435 1.013 <0.0001 1.074 1.011 <0.0001 1.081 1.011 <0.0001
  Interaction term 0.987 1.014 0.367 0.994 1.012 0.649 0.993 1.012 0.559
Sensitivity analysis (minimum 1 admission per dissemination area) Material deprivation score 1.196 1.012 <0.0001 1.012 1.011 0.257 1.018 1.010 0.085
  Interaction term 1.000 1.012 0.974 1.012 1.010 0.222 1.010 1.010 0.277
  1. Legend: IRR Incidence Rate Ratio, SE Standard error
  2. Notes: “interaction term” denotes an interaction between the material deprivation score and a dummy variable for the year 2010; standard errors are clustered at the dissemination area level