Table 4.
Hierarchical stepwise regressions for predictors of user engagement with self-guided mobile and Web-based interventions.
| Variable | Ba | SE B | Beta | P value | R2 change | P value | ||
| Mobile app usage time (n=52) | ||||||||
|
|
Step 1 |
|
|
|
|
|
|
|
|
|
|
Therapeutic Alliance | .47 | .11 | .51 | <.001 | .26 | <.001 |
|
|
Step 2 |
|
|
|
|
|
|
|
|
|
|
Therapeutic Alliance | .29 | .11 | .31 | .02 | .15 | .001 |
|
|
|
Number of reviews | .29 | .08 | .44 | .001 | N/Ab | N/A |
| Mobile app 30-day retention (n=52) | ||||||||
|
|
Step 1 |
|
|
|
|
|
|
|
|
|
|
Therapeutic Persuasiveness | .01 | .01 | .39 | .004 | .15 | .004 |
|
|
Step 2c | N/A | N/A | N/A | N/A | N/A | N/A | |
| Web intervention total usage time (n=32) | ||||||||
|
|
Step 1 |
|
|
|
|
|
|
|
|
|
|
Therapeutic Alliance | 2.87 | 1.34 | .36 | .04 | .13 | .04 |
|
|
Step 2c | N/A | N/A | N/A | N/A | N/A | N/A | |
aB: unstandardized regression coefficient.
bN/A: not applicable.
cNo new variables were entered into the equation.