Table 2.
Parameter | Estimate | Standard error | df | t / F | P | |
Intercept |
|
6.946 | 0.359 | 553.0 | 19.3 | <.001 |
Condition |
|
|
|
|
1.0 | .410 |
|
Active website | −0.117 | 0.508 | 553.0 | −0.2 | .818 |
|
Active website with email reminders | −0.716 | 0.506 | 553.0 | −1.4 | .158 |
|
Active website with phone reminders | −0.173 | 0.510 | 553.0 | −0.3 | .734 |
|
Control website with phone reminders | −0.335 | 0.506 | 553.0 | −0.7 | .508 |
|
Control website | 0.000 | 0.000 |
|
|
|
Time | 29.5 | <.001 | ||||
|
Baseline | 0.000 | 0.000 |
|
|
|
|
Post-test | −1.066 | 0.494 | 389.2 | −2.2 | .032 |
|
6-month follow-up | −2.337 | 0.512 | 372.8 | −4.6 | <.001 |
|
12-month follow-up | −1.178 | 0.612 | 315.8 | −1.9 | .055 |
Condition × time interaction | 0.8 | .622 | ||||
|
Active vs control at baseline | 0.000 | 0.000 |
|
|
|
|
Active vs control at post-test | 0.331 | 0.698 | 390.6 | 0.5 | .636 |
|
Active vs control at 6 months | 0.179 | 0.723 | 374.2 | 0.2 | .805 |
|
Active vs control at 12 months | −0.274 | 0.853 | 313.9 | −0.3 | .748 |
|
Active email vs control at baseline | 0.000 | 0.000 |
|
|
|
|
Active email vs control at post-test | −0.517 | 0.718 | 393.9 | −0.7 | .472 |
|
Active email vs control at 6 months | 0.370 | 0.730 | 372.3 | 0.5 | .612 |
|
Active email vs control at 12 months | −0.157 | 0.896 | 319.4 | −0.2 | .861 |
|
Active phone vs control at baseline | 0.000 | 0.000 |
|
|
|
|
Active phone vs control at post-test | −0.689 | 0.682 | 384.5 | −1.0 | .314 |
|
Active phone vs control at 6 months | 0.736 | 0.709 | 369.4 | 1.0 | .300 |
|
Active phone vs control at 12 months | −1.082 | 0.851 | 315.4 | −1.3 | .205 |
|
Control phone vs control at baseline | 0.000 | 0.000 |
|
|
|
|
Control phone vs control at post-test | −0.137 | 0.655 | 379.2 | −0.2 | .835 |
|
Control phone vs control at 6 months | 0.394 | 0.683 | 364.4 | 0.6 | .565 |
|
Control phone vs control at 12 months | −0.150 | 0.808 | 310.2 | −0.2 | .853 |