Table 2.
Treatment outcome mean scores, by group
| IbET (n = 140) | CTRL (n = 140) | WL (n = 31) | ||||
|---|---|---|---|---|---|---|
| Variable | m | s.d. | m | s.d. | m | s.d. |
| PSWQ | ||||||
| Pre-treatment | 65.46 | 6.93 | 65.20 | 7.54 | 66.74 | 6.33 |
| Post-treatment | 52.99 | 11.49 | 55.93 | 10.71 | 65.00 | 8.45 |
| 4 FUP | 50.92 | 11.26 | 52.48 | 10.91 | ||
| 12 FUP | 50.55 | 10.96 | 52.61 | 11.48 | ||
| CAQ | ||||||
| Pre-treatment | 68.85 | 20.02 | 68.04 | 19.97 | 68.77 | 17.87 |
| Post-treatment | 59.19 | 18.88 | 64.41 | 20.50 | 70.90 | 21.12 |
| 4 FUP | 53.78 | 18.81 | 53.94 | 19.25 | ||
| 12 FUP | 54.16 | 17.11 | 57.91 | 21.70 | ||
| MADRS-S | ||||||
| Pre-treatment | 14.76 | 6.50 | 14.33 | 6.30 | 16.03 | 6.00 |
| Post-treatment | 10.30 | 6.37 | 10.89 | 7.22 | 16.23 | 6.86 |
| 4 FUP | 9.75 | 6.66 | 9.39 | 6.08 | ||
| 12 FUP | 9.68 | 6.13 | 10.29 | 7.13 | ||
| IUS | ||||||
| Pre-treatment | 77.38 | 21.75 | 75.48 | 19.93 | 77.55 | 20.03 |
| Post-treatment | 63.22 | 20.60 | 66.12 | 22.22 | 76.57 | 21.55 |
| 4 FUP | 61.16 | 19.88 | 61.16 | 21.61 | ||
| 12 FUP | 59.19 | 20.41 | 60.75 | 21.75 | ||
| BBQ | ||||||
| Pre-treatment | 45.92 | 20.57 | 43.81 | 21.71 | 42.42 | 18.59 |
| Post-treatment | 54.17 | 20.40 | 49.84 | 21.61 | 43.07 | 20.58 |
| 4 FUP | 54.14 | 22.71 | 53.47 | 23.02 | ||
| 12 FUP | 53.43 | 21.43 | 50.98 | 22.54 | ||
IbET, internet-based extinction therapy; CTRL, control condition (active comparator); WL, waiting-list; PSWQ, Penn State Worry Questionnaire; CAQ, Cognitive Avoidance Questionnaire; MADRS-S, Montgomery Asberg Depression Rating Scale – Self report; IUS, Intolerance of Uncertainty Scale; BBQ, Brunnsviken Brief Quality of life Questionnaire; 4 FUP, 4-month follow-up; 12 FUP, 12-month follow-up.