Table 4.

The adjusted odds ratios (OR) and 95% confidence intervals (CI) for agreement in both contact and biobank preferences stratified by race

	Contact		Biobank
Variable	Factor	OR (CI)	P-value	OR (CI)	P-value
Race: White
Age	18–35	Ref		Ref
	36–50	1.08 (0.97–1.20)	0.162	0.92 (0.82–1.03)	0.163
	51–65	1.06 (0.96–1.18)	0.236	0.84 (0.75–0.94)	0.002
	>65	0.93 (0.80–1.07)	0.312	0.80 (0.68–0.93)	0.004
Payer category	Private or commercial	Ref		Ref
	Medicaid	1.42 (1.13–1.78)	0.003	1.00 (0.80–1.25)	0.971
	Medicare	1.32 (1.19–1.47)	<0.001	1.26 (1.13–1.42)	<0.001
	Military or other govt.	0.96 (0.79–1.16)	0.660	1.09 (0.88–1.34)	0.435
	Self-pay	0.94 (0.78–1.14)	0.551	0.89 (0.73–1.08)	0.241
Race: African American
Age	18–35	Ref		Ref
	36–50	1.23 (0.99–1.52)	0.056	1.03 (0.84–1.27)	0.763
	51–65	1.02 (0.81–1.30)	0.840	0.97 (0.77–1.23)	0.813
	>65	0.49 (0.34–0.71)	<0.001	0.48 (0.33–0.70)	<0.001
Payer category	Private or commercial	Ref		Ref
	Medicaid	1.31 (1.03–1.67)	0.030	1.39 (1.09–1.77)	0.007
	Medicare	1.31 (1.02–1.68)	0.035	1.42 (1.11–1.81)	0.005
	Military or Other Gov.	1.08 (0.69–1.71)	0.728	1.39 (0.87–2.20)	0.165
	Self-pay	2.16 (1.39–3.38)	0.001	1.82 (1.21–2.76)	0.004

Only variables with significant interactions are shown. Significant P-values are bolded. Ref indicates factors used as reference.