. Author manuscript; available in PMC: 2014 Jun 1.

Published in final edited form as: Brain Imaging Behav. 2013 Jun;7(2):163–176. doi: 10.1007/s11682-012-9210-3

Table 3.

Estimated Odds Ratios for Characteristics that Predicted Volunteer Status

Characteristics	Crude OR^a (95% CI)	p-value	aOR^b (95% CI)	p-value
Gender
Male	1.00(reference)		1.00(reference)
Female	0.42(0.20, 0.90)	0.026	0.60(0.23, 1.57)	0.303
Sensation Seeking	1.14(1.07, 1.22)	<0.001	1.11(1.03, 1.19)	0.008
NEO Openness	0.90(0.83, 0.97)	0.006	0.91(0.83, 1.01)	0.066
NEO Impulsiveness	0.94(0.89, 1.00)	0.035	0.92(0.86, 0.98)	0.016
NEO Competence	1.07(1.00, 1.13)	0.031	1.06(0.99, 1.13)	0.098
NEO Values	0.95(0.90, 1.00)	0.046	1.01(0.94, 1.08)	0.824

Crude OR: odds ratio; 95% CI: 95% confidence interval;

aOR: Adjusted OR, adjusted for covariates included in the table