. Author manuscript; available in PMC: 2013 Oct 1.

Published in final edited form as: Am J Prev Med. 2012 Oct;43(4):392–398. doi: 10.1016/j.amepre.2012.06.013

Table 3.

Logistic regression models predicting shifts in risk perceptions (to elevated risk) among optimistically biased participants

	Heart Disease (n=1379)	Stroke (n=1252)	Diabetes (n=734)	Colon Cancer (n=258)	Breast Cancer (n=276)	Ovarian Cancer (n=140)

Predictors	OR (CI)	OR (CI)	OR (CI)	OR (CI)	OR (CI)	OR (CI)
Gender (ref: male)	1.53 (1.03, 2.28)^*	2.00 (1.24, 3.22)^**	1.56 (1.07, 2.27)^*	1.12 (0.57, 2.21)	—	—
Age	0.99 (0.97, 1.01)	0.97 (0.97, 0.99)^**	0.97 (0.95, 1.00)^*	1.00 (0.96, 1.05)	0.96 (0.93, 1.00)	0.94 (0.88, 1.00)
BMI	1.06 (1.03, 1.09)^**	1.08 (1.05, 1.11)^**	1.05 (1.02,1.09)^**	1.00 (0.94, 1.07)	1.02 (0.99, 1.06)	0.93 (0.84, 1.04)
Smoker (ref: smoker)	0.78 (0.40, 1.53)	0.53 (0.27, 1.02)	1.19 (0.44, 3.22)	1.03 (0.26, 4.05)	2.05 (0.44, 9.55)	0.22 (0.03, 1.55)
Experimental Group (ref: control)	1.62 (1.17, 2.24)^**	1.46 (1.04, 2.04)^*	1.59 (1.07, 2.35)^*	1.89 (0.99, 3.59)^*	1.48 (0.61, 3.58)	0.52 (0.10, 2.59)

Note: Models are adjusted for practice clustering and potential site difference. Bold indicates significance.

p≤0.05;

^**

p≤0.01