Table 3.
Mean response scores and reliability analysis.
| Theoretical construct and survey item | Value, mean (SD) | Outer loadings | Cronbach alpha | Composite reliability | Average variance extracted | ||||||
| Sa |
|
|
.846 | 0.907 | 0.766 | ||||||
|
|
S1—People who care for me want me to use the portal. | 3.91 (0.872) | 0.896 |
|
|
|
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|
|
S2—People who influence me want me to use the portal. | 3.76 (0.871) | 0.916 |
|
|
|
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|
|
S3—My nurse or physician has encouraged me to use the portal. | 3.40 (0.910) | 0.811 |
|
|
|
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| Hb |
|
|
.726 | 0.879 | 0.784 | ||||||
|
|
H1—Portal usage has become a habit for me. | 3.19 (0.916) | 0.896 |
|
|
|
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|
|
H2—I must use the portal on a regular basis to improve my health. | 3.21 (0.937) | 0.875 |
|
|
|
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| FCc |
|
|
.710 | 0.873 | 0.775 | ||||||
|
|
FC1—I know how to access the portal. | 4.26 (0.821) | 0.887 |
|
|
|
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|
|
FC2—The portal works with other technology that I use. | 4.16 (0.784) | 0.874 |
|
|
|
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| EEd |
|
|
.894 | 0.950 | 0.904 | ||||||
|
|
EE1—Learning to use the portal was easy for me. | 4.02 (0.834) | 0.948 |
|
|
|
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|
|
EE2—The portal was easy to navigate and use. | 4.04 (0.807) | 0.953 |
|
|
|
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| PEe |
|
|
.870 | 0.939 | 0.885 | ||||||
|
|
PE1—Using the portal will support the care I receive. | 3.91 (0.769) | 0.943 |
|
|
|
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|
|
PE2—Using the portal allows me to be more involved in my own care. | 3.95 (0.769) | 0.939 |
|
|
|
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| PSf |
|
|
.611 | 0.835 | 0.717 | ||||||
|
|
PS1—I believe I am vulnerable to illnesses. | 2.60 (1.100) | 0.886 |
|
|
|
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|
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PS2—I believe that my current health conditions are serious. | 2.07 (1.039) | 0.806 |
|
|
|
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| HSBg |
|
|
.910 | 0.957 | 0.917 | ||||||
|
|
HSB1—Portal usage has influenced me to adopt healthier behaviors. | 3.18 (0.840) | 0.957 |
|
|
|
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|
|
HSB2—Portal usage has influenced me to exercise more. | 3.06 (0.861) | 0.959 |
|
|
|
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| SWPh |
|
|
.824 | 0.919 | 0.850 | ||||||
|
|
SWP1—I am satisfied with the patient portal. | 3.92 (0.734) | 0.916 |
|
|
|
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|
|
SWP2—I would recommend using the portal to my friends and family. | 3.73 (0.795) | 0.928 |
|
|
|
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aS: social influence.
bH: habit.
cFC: facilitating conditions.
dEE: effort expectancy.
ePE: performance expectancy.
fPS: perceived severity.
gHSB: health-seeking behavior.
hSWP: portal satisfaction.