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Table 5 Unadjusted and adjusted odds ratios comparing enhanced fee-for-service to traditional fee-for-service produced from the colorectal cancer screening model

From: Cancer screening inequities in a time of primary care reform: a population-based longitudinal study in Ontario, Canada

  Year Unadjusted Adjusted for Patient Characteristics Adjusted for Patient and Physician Characteristics
Odds Ratio 95% CI p-value Odds Ratio 95% CI p-value Odds Ratio 95% CI p-value
Immigrants
 Enhanced vs. traditional fee-for-service 2005 0.91 (0.89–0.94) <.0001 0.91 (0.88–0.94) <.0001 0.94 (0.91–0.97) <.0001
2006 1.02 (0.99–1.04) 0.1809 1.03 (1.01–1.05) 0.0074 1.04 (1.01–1.06) 0.0021
2007 1.21 (1.18–1.24) <.0001 1.22 (1.19–1.26) <.0001 1.24 (1.21–1.28) <.0001
2008 1.13 (1.09–1.16) <.0001 1.15 (1.11–1.19) <.0001 1.19 (1.15–1.23) <.0001
2009 1.19 (1.14–1.23) <.0001 1.23 (1.19–1.28) <.0001 1.23 (1.19–1.28) <.0001
2010 0.99 (0.95–1.04) 0.7596 1.03 (0.98–1.07) 0.2438 1.06 (1.02–1.11) 0.007
2011 1.06 (1.01–1.11) 0.0319 1.09 (1.04–1.15) 0.0012 1.13 (1.07–1.19) <.0001
2012 1.25 (1.18–1.32) <.0001 1.38 (1.31–1.47) <.0001 1.38 (1.30–1.57) <.0001
Long-Term Residents
 Enhanced vs. traditional fee-for-service 2005 1.00 (0.99–1.01) 0.5301 1.00 (0.99–1.01) 0.528 1.00 (1.00–1.01) 0.4123
2006 1.09 (1.08–1.10) <.0001 1.10 (1.09–1.10) <.0001 1.10 (1.09–1.11) <.0001
2007 1.25 (1.23–1.26) <.0001 1.26 (1.24–1.27) <.0001 1.27 (1.25–1.28) <.0001
2008 1.20 (1.18–1.22) <.0001 1.23 (1.21–1.25) <.0001 1.25 (1.23–1.27) <.0001
2009 1.27 (1.25–1.30) <.0001 1.31 (1.28–1.34) <.0001 1.29 (1.26–1.32) <.0001
2010 1.15 (1.12–1.18) <.0001 1.17 (1.14–1.20) <.0001 1.19 (1.16–1.22) <.0001
2011 1.10 (1.06–1.14) <.0001 1.11 (1.07–1.15) <.0001 1.14 (1.10–1.18) <.0001
2012 1.09 (1.05–1.14) <.0001 1.17 (1.12–1.21) <.0001 1.15 (1.11–1.20) <.0001
Ratios of Odds Ratios
 Difference in enhanced vs. traditional fee-for-service between immigrants vs. long-term residents 2005 0.92 (0.89–0.94) <.0001 0.91 (0.88–0.94) <.0001 0.94 (0.91–0.96) <.0001
2006 0.93 (0.91–0.95) <.0001 0.94 (0.92–0.963) <.0001 0.94 (0.92–0.96) <.0001
2007 0.97 (0.95–1.00) 0.0508 0.97 (0.95–1.00) 0.0659 0.98 (0.95–1.01) 0.1798
2008 0.94 (0.90–0.97) 0.0002 0.93 (0.90–0.97) <.0001 0.95 (0.91–0.98) 0.0031
2009 0.93 (0.89–0.97) 0.0009 0.94 (0.90–0.98) 0.0061 0.96 (0.92–1.00) 0.037
2010 0.87 (0.82–0.91) <.0001 0.88 (0.84–0.93) <.0001 0.89 (0.85–0.94) <.0001
2011 0.96 (0.90–1.02) 0.1821 0.99 (0.93–1.05) 0.671 0.99 (0.93–1.06) 0.8325
2012 1.14 (1.07–1.22) 0.0001 1.19 (1.11–1.27) <.0001 1.20 (1.12–1.29) <.0001
  1. Ratios of odds ratios are also presented, with long-term residents and traditional fee-for-service serving as referent groups