Table 9.
Hierarchical multiple regression analysis predicting behavioral intention.
| Factors | Beta (standardized coefficient) | R 2 change | P | |
| TPB factors |
|
.567 | <.001 | |
|
|
(Constant) |
|
|
<.001 |
|
|
Attitude | .432 |
|
<.001 |
|
|
Perceived norm | .291 |
|
<.001 |
|
|
Perceived behavioral control | .206 |
|
<.001 |
| TPB factors and patient portal factors |
|
.005 | <.001 | |
|
|
(Constant) |
|
|
<.001 |
|
|
Attitude | .415 |
|
<.001 |
|
|
Perceived norm | .285 |
|
<.001 |
|
|
Perceived behavioral control | .197 |
|
<.001 |
|
|
Number of years with patient portal account | .040 |
|
.001 |
|
|
Number of sessions with patient portal | .039 |
|
.003 |
|
|
Number of messages sent via patient portal | –.008 |
|
.54 |
|
|
Satisfaction with patient portal | .003 |
|
.87 |
|
|
Satisfaction with AVS | .044 |
|
.006 |
| TPB factors, patient portal factors, sociodemographics, and self-reported health status |
|
.003 | .004 | |
|
|
(Constant) |
|
|
<.001 |
|
|
Attitude | .412 |
|
<.001 |
|
|
Perceived norm | .284 |
|
<.001 |
|
|
Perceived behavioral control | .197 |
|
<.001 |
|
|
Number of years with patient portal account | .030 |
|
.02 |
|
|
Number of sessions with patient portal | .035 |
|
.008 |
|
|
Number of messages sent via patient portal | –.004 |
|
.75 |
|
|
Satisfaction with patient portal | .003 |
|
.85 |
|
|
Satisfaction with AVS | .042 |
|
.009 |
|
|
Age | .049 |
|
<.001 |
|
|
Gender | .019 |
|
.09 |
|
|
Race | .012 |
|
.28 |
|
|
Health status | –.001 |
|
.91 |
|
|
Education | –.011 |
|
.33 |
|
|
Income | –.008 |
|
.53 |
|
|
Marital status | .010 |
|
.40 |