Table 3 Multivariate model predicting adoption of patient portal variables in the equation ^a

		B	SE	Wald	df	Sig.	Exp(B)	95% CI for EXP(B)
		B	SE	Wald	df	Sig.	Exp(B)	Lower	Upper
Step 1^b	Age	1.321	0.278	22.504	1	0.000^{c^***}	3.746	2.171	6.464
	Education	−0.146	0.250	0.342	1	0.559	0.864	0.529	1.411
	Income	0.627	0.241	6.754	1	0.009 ^{^b^**}	1.871	1.167	3.001
	Internet use	0.306	0.287	1.138	1	0.286	1.358	0.774	2.381
	Overall health status	0.450	0.244	3.390	1	0.066	1.568	0.971	2.529
	Self-reported comorbidities	−0.020	0.064	0.098	1	0.754	0.980	0.864	1.111
	PIIT	0.112	0.145	0.595	1	0.441	1.118	0.842	1.486
	Security privacy	0.163	0.159	1.047	1	0.306	1.176	0.862	1.606
	Relative advantage	0.390	0.182	4.591	1	0.032 ^{^b^*}	1.477	1.034	2.110
	Ease of use	0.255	0.201	1.612	1	0.204	1.291	0.870	1.914
	Trialability	0.292	0.201	2.114	1	0.146	1.339	0.903	1.986
	Constant	−5.570	0.941	34.995	1	0.000	0.004

↵a For definitions of variables refer to Tables 1 and 2.
↵b R square = 0.21 (Cox and Snell); R square = 0.29 (Nagelkerke); Chi-square = 109.0, df = 11, p < 0.001.
↵c* p < 0.05;
↵** p < 0.01;
↵*** p < 0.001