Table 6.

Unadjusted and adjusted odds ratios comparing enhanced 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
Income Q1 (lowest)
Enhanced vs. traditional fee-for-service	2005	0.97	(0.96–0.99)	0.000	0.96	(0.95–0.98)	<.0001	0.98	(0.97–1.00)	0.0231
	2006	0.99	(0.98–1.00)	0.080	0.98	(0.96–0.99)	0.0008	1.00	(0.99–1.02)	0.7417
	2007	1.03	(1.01–1.05)	0.004	1.02	(1.00–1.04)	0.0271	1.06	(1.04–1.08)	<.0001
	2008	0.98	(0.96–1.01)	0.145	0.99	(0.97–1.0)	0.649	1.04	(1.02–1.07)	0.001
	2009	1.10	(1.07–1.14)	<.0001	1.14	(1.10–1.17)	<.0001	1.16	(1.13–1.20)	<.0001
	2010	1.04	(1.00–1.08)	0.028	1.10	(1.06–1.14)	<.0001	1.16	(1.11–1.20)	<.0001
	2011	1.04	(1.00–1.09)	0.082	1.09	(1.04–1.15)	0.0004	1.19	(1.31–1.25)	<.0001
	2012	1.08	(1.02–1.14)	0.006	1.21	(1.14–1.28)	<.0001	1.20	(1.13–1.27)	<.0001
Income Q5 (highest)
Enhanced vs. traditional fee-for-service	2005	1.06	(1.04–1.07)	<.0001	1.07	(1.05–1.09)	<.0001	1.06	(1.05–1.08)	<.0001
	2006	1.04	(1.03–1.06)	<.0001	1.06	(1.05–1.08)	<.0001	1.09	(1.08–1.11)	<.0001
	2007	1.15	(1.13–1.18)	<.0001	1.18	(1.15–1.21)	<.0001	1.20	(1.17–1.23)	<.0001
	2008	1.15	(1.12–1.19)	<.0001	1.20	(1.17–1.24)	<.0001	1.26	(1.22–1.30)	<.0001
	2009	1.18	(1.14–1.22)	<.0001	1.24	(1.20–1.29)	<.0001	1.24	(1.20–1.29)	<.0001
	2010	1.26	(1.20–1.32)	<.0001	1.35	(1.29–1.42)	<.0001	1.38	(1.31–1.44)	<.0001
	2011	1.21	(1.15–1.29)	<.0001	1.33	(1.25–1.41)	<.0001	1.37	(1.29–1.45)	<.0001
	2012	1.17	(1.10–1.25)	<.0001	1.33	(1.24–1.42)	<.0001	1.31	(1.23–1.41)	<.0001
Ratios of Odds Ratios
Difference in enhanced vs. traditional fee-for-service between Q1 vs. Q5	2005	0.92	(0.90–0.94)	<.0001	0.90	(0.88–0.92)	<.0001	0.92	(0.90–0.95)	<.0001
	2006	0.95	(0.93–0.97)	<.0001	0.92	(0.90–0.94)	<.0001	0.92	(0.90–0.94)	<.0001
	2007	0.89	(0.87–0.92)	<.0001	0.87	(0.84–0.89)	<.0001	0.88	(0.86–0.909)	<.0001
	2008	0.85	(0.82–0.89)	<.0001	0.83	(0.79–0.86)	<.0001	0.83	(0.80–0.86)	<.0001
	2009	0.94	(0.90–0.98)	0.007	0.92	(0.87–0.96)	0.000	0.94	(0.89–0.98)	0.0059
	2010	0.83	(0.78–0.88)	<.0001	0.81	(0.76–0.86)	<.0001	0.84	(0.79–0.89)	<.0001
	2011	0.86	(0.80–0.92)	<.0001	0.82	(0.76–0.89)	<.0001	0.87	(0.81–0.94)	0.0003
	2012	0.92	(0.85–1.01)	0.064	0.91	(0.84–0.99)	0.032	0.91	(0.83–0.99)	0.0353

Results for Q2-Q4 not shown. Ratios of odds ratios are also presented, with Q5 and traditional fee-for-service serving as referent groups