Table 4.

Predictors of portal use: univariate regression analyses in the total group.

Characteristics	P value	Exp (β)	95% CI for Exp (β)
Sex (female)	.25	1.26	0.84-1.89
Age	.01	0.98	0.97-1.00
Travel time	.17	1.00	1.00-1.01
Chronically ill	.02	1.61	1.06-2.44
Life status (working)	.68	1.09	0.73-1.63
Education (high or intermediate)	.12	1.47	0.90-2.40
Modified sum score eHeals	<.001	1.13	1.08-1.19