Table 4.

Unadjusted and adjusted odds ratios comparing enhanced fee-for-service to traditional fee-for-service produced from the breast 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	0.86	(0.83–0.90)	<.0001	0.86	(0.82–0.90)	<.0001	0.89	(0.85–0.93)	<.0001
	2006	0.95	(0.92–0.98)	0.0016	0.96	(0.93–0.99)	0.0087	0.98	(0.94–1.01)	0.1181
	2007	0.98	(0.95–1.02)	0.3024	0.98	(0.95–1.02)	0.3391	1.02	(0.98–1.05)	0.4424
	2008	0.96	(0.92–1.00)	0.0656	0.97	(0.92–1.01)	0.1516	1.01	(0.97–1.06)	0.5703
	2009	0.99	(0.94–1.05)	0.7257	1.02	(0.97–1.08)	0.458	1.04	(0.98–1.10)	0.238
	2010	0.92	(0.86–0.98)	0.0082	0.95	(0.89–1.01)	0.0933	1.00	(0.93–1.06)	0.9135
	2011	1.09	(1.01–1.18)	0.0229	1.14	(1.06–1.23)	0.0008	1.21	(1.12–1.31)	<.0001
	2012	1.21	(1.11–1.32)	<.0001	1.30	(1.19–1.42)	<.0001	1.29	(1.18–1.40)	<.0001
Long-Term Residents
Enhanced vs. traditional fee-for-service	2005	1.01	(1.00–1.02)	0.1411	1.01	(1.00–1.03)	0.0435	1.02	(1.00–1.03)	0.032
	2006	1.04	(1.02–1.05)	<.0001	1.04	(1.03–1.05)	<.0001	1.05	(1.04–1.07)	<.0001
	2007	1.09	(1.07–1.11)	<.0001	1.09	(1.07–1.11)	<.0001	1.11	(1.09–1.13)	<.0001
	2008	1.13	(1.10–1.16)	<.0001	1.14	(1.11–1.17)	<.0001	1.17	(1.14–1.20)	<.0001
	2009	1.19	(1.15–1.22)	<.0001	1.20	(1.17–1.24)	<.0001	1.19	(1.15–1.23)	<.0001
	2010	1.16	(1.11–1.21)	<.0001	1.17	(1.13–1.22)	<.0001	1.19	(1.14–1.24)	<.0001
	2011	1.20	(1.13–1.26)	<.0001	1.21	(1.15–1.27)	<.0001	1.25	(1.18–1.31)	<.0001
	2012	1.14	(1.07–1.21)	<.0001	1.19	(1.12–1.26)	<.0001	1.17	(1.10–1.24)	<.0001
Ratios of Odds Ratios
Difference in enhanced vs. traditional fee-for-service between immigrants vs. long-term residents	2005	0.85	(0.82–0.89)	<.0001	0.85	(0.81–0.89)	<.0001	0.87	(0.84–0.91)	<.0001
	2006	0.92	(0.89–0.95)	<.0001	0.92	(0.89–0.95)	<.0001	0.93	(0.90–0.96)	<.0001
	2007	0.90	(0.86–0.94)	<.0001	0.90	(0.87–0.94)	<.0001	0.92	(0.88–0.96)	<.0001
	2008	0.85	(0.81–0.89)	<.0001	0.85	(0.80–0.89)	<.0001	0.87	(0.82–0.91)	<.0001
	2009	0.83	(0.78–0.89)	<.0001	0.85	(0.80–0.90)	<.0001	0.87	(0.82–0.93)	<.0001
	2010	0.79	(0.73–0.85)	<.0001	0.81	(0.75–0.87)	<.0001	0.84	(0.78–0.90)	<.0001
	2011	0.91	(0.84–1.00)	0.050	0.95	(0.86–1.03)	0.218	0.97	(0.89–1.07)	0.5267
	2012	1.06	(0.96–1.18)	0.273	1.10	(0.99–1.22)	0.089	1.10	(0.99–1.22)	0.0803

Ratios of odds ratios are also presented, with long-term residents and traditional fee-for-service serving as referent groups