Table 3.
Unadjusted and adjusted odds ratios comparing enhanced fee-for-service to traditional fee-for-service produced from the cervical cancer screening model
| 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 | 0.92 | (0.90–0.93) | <.0001 | 0.89 | (0.87–0.91) | <.0001 | 0.94 | (0.92–0.96) | <.0001 |
| 2006 | 0.97 | (0.96–0.98) | <.0001 | 0.95 | (0.94–0.97) | <.0001 | 1.00 | (0.98–1.01) | 0.567 | |
| 2007 | 0.93 | (0.98–1.01) | 0.404 | 0.98 | (0.97–1.00) | 0.059 | 1.04 | (1.03–1.06) | <.0001 | |
| 2008 | 0.94 | (0.92–0.96) | <.0001 | 0.95 | (0.93–0.97) | <.0001 | 1.04 | (1.02–1.06) | 0.001 | |
| 2009 | 1.04 | (1.01–1.06) | 0.004 | 1.08 | (1.06–1.11) | <.0001 | 1.14 | (1.11–1.17) | <.0001 | |
| 2010 | 1.01 | (0.98–1.04) | 0.503 | 1.07 | (1.04–1.10) | <.0001 | 1.15 | (1.12–1.19) | <.0001 | |
| 2011 | 1.11 | (1.07–1.16) | <.0001 | 1.16 | (1.12–1.21) | <.0001 | 1.26 | (1.21–1.31) | <.0001 | |
| 2012 | 1.12 | (1.08–1.17) | <.0001 | 1.26 | (1.20–1.31) | <.0001 | 1.25 | (1.19–1.30) | <.0001 | |
| Long-Term Residents | ||||||||||
| Enhanced vs. traditional fee-for-service | 2005 | 1.04 | (1.03–1.05) | <.0001 | 1.05 | (1.04–1.06) | <.0001 | 1.05 | (1.04–1.06) | <.0001 |
| 2006 | 1.02 | (1.02–1.03) | <.0001 | 1.04 | (1.03–1.05) | <.0001 | 1.06 | (1.05–1.07) | <.0001 | |
| 2007 | 1.08 | (1.07–1.10) | <.0001 | 1.10 | (1.08–1.11) | <.0001 | 1.13 | (1.11–1.14) | <.0001 | |
| 2008 | 1.09 | (1.07–1.10) | <.0001 | 1.13 | (1.11–1.14) | <.0001 | 1.17 | (1.15–1.19) | <.0001 | |
| 2009 | 1.18 | (1.16–1.20) | <.0001 | 1.22 | (1.19–1.24) | <.0001 | 1.20 | (1.18–1.23) | <.0001 | |
| 2010 | 1.18 | (1.16–1.21) | <.0001 | 1.25 | (1.22–1.28) | <.0001 | 1.28 | (1.24–1.31) | <.0001 | |
| 2011 | 1.12 | (1.09–1.16) | <.0001 | 1.19 | (1.15–1.23) | <.0001 | 1.24 | (1.19–1.28) | <.0001 | |
| 2012 | 1.11 | (1.07–1.15) | <.0001 | 1.23 | (1.18–1.27) | <.0001 | 1.20 | (1.16–1.25) | <.0001 | |
| Ratios of Odds Ratios | ||||||||||
| Difference in enhanced vs. traditional fee-for-service between immigrants vs. long-term residents | 2005 | 0.88 | (0.86–0.90) | <.0001 | 0.85 | (0.83–0.87) | <.0001 | 0.90 | (0.88–0.92) | <.0001 |
| 2006 | 0.95 | (0.93–0.96) | <.0001 | 0.92 | (0.90–0.93) | <.0001 | 0.94 | (0.92–0.96) | <.0001 | |
| 2007 | 0.92 | (0.90–0.94) | <.0001 | 0.90 | (0.88–0.92) | <.0001 | 0.93 | (0.91–0.95) | <.0001 | |
| 2008 | 0.86 | (0.84–0.88) | <.0001 | 0.84 | (0.82–0.86) | <.0001 | 0.89 | (0.86–0.91) | <.0001 | |
| 2009 | 0.88 | (0.85–0.91) | <.0001 | 0.89 | (0.86–0.92) | <.0001 | 0.94 | (0.92–0.97) | 0.000 | |
| 2010 | 0.85 | (0.22–0.89) | <.0001 | 0.86 | (0.82–0.89) | <.0001 | 0.90 | (0.87–0.94) | <.0001 | |
| 2011 | 0.99 | (0.95–1.04) | 0.794 | 0.98 | (0.94–1.03) | 0.433 | 1.02 | (0.97–1.07) | 0.477 | |
| 2012 | 1.01 | (0.96–1.07) | 0.607 | 1.02 | (0.97–1.08) | 0.393 | 1.04 | (0.98–1.10) | 0.180 | |
Ratios of odds ratios are also presented, with long-term residents and traditional fee-for-service serving as referent groups