Table 5.

Risk belief correlates (demographics and genetic testing): outcome variable is risk belief category (unrealistically pessimistic, unrealistically optimistic or concordant). The reference group is concordant cancer risk belief category. Data from the 2015 U.S. National Health Interview Survey.

	Risk beliefs about breast cancer			Risk beliefs about colorectal cancer
Variable	Unrealistically pessimistic % (weighted), OR [95% CI] (n=1410)	Concordant % (weighted), (n=4406)	Unrealistically optimistic % (weighted), OR [95% CI] (n=5127)	Unrealistically pessimistic % (weighted), OR [95% CI] (n=1983)	Concordant % (weighted), (n=4930)	Unrealistically optimistic % (weighted), OR [95% CI] (n=5838)
Genetic test
Yes	14.5	36.8	48.7	23.3	56.3	20.4
	1.42 [0.60,3.36]		1.03 [0.59,1.82]	0.84 [0.34, 2.11]		0.27 [0.10, 0.72]
No	12.2	39.7	48.1	16.2	39.5	44.3
	ref		ref	ref		ref
Education
No college	17.4	40.7	42.0	13.6	38.3	48.1
	ref		ref	ref		ref
Some college or more	9.3	39.0	51.7	18.0	40.5	41.5
	0.55 [0.46,0.67]		1.39 [1.23,1.56]	1.25 [1.06,1.46]		0.84 [0.75,0.93]
Ethnicity
Not Hispanic	11.7	41.0	47.4	16.6	39.7	43.8
	ref		ref
Hispanic	15.8	31.3	52.9	13.7	39.5	46.8
	1.35 [1.03,1.76]		1.76 [1.50,2.06]	-		-
Insurance
Covered	19.3	39.0	41.7	16.6	39.8	43.6
	1.19 [0.88,1.60]		0.95 [0.75,1.19]	1.46 [1.02,2.08]		0.73 [0.58,0.92]
Not covered	11.6	39.8	48.6	10.5	37.8	51.8
	ref		ref	ref		ref
Race
White	11.4	39.7	48.9	16.6	40.5	42.8
	ref		ref	ref		ref
Other	19.6	44.7	35.8	14.9	36.9	48.2
	1.53 [1.25,1.87]		0.69 [0.60,0.79]	1.02 [0.82,1.27]		1.20 [1.02,1.39]
Sex
Men	-	-	-	20.6	45.6	33.8
				1.32 [1.13,1.54]		0.47 [0.42,0.52]
Women	-	-	-	12.1	33.9	53.9
				ref		ref
Age	μ=52.95,	μ=54.84,	μ=55.83,	μ=62.58,	μ=62.55,	μ=63.22,
	SE=0.42	SE=0.25	SE=0.25	SE=0.26	SE=0.17	SE=0.16
	0.99 [0.98,0.99]		1.01 [1.01,1.02]	1.00 [0.99,1.01]		1.01 [1.00,1.02]

Adjusted model includes demographic characteristics for which the 95%CI did not cross 1 in bivariate analyses.