Table 2.
Estimated means, standard deviations, and ns for each outcome measure divided by condition and assessment point*.
| Measure and condition | Pre | Post (10 weeks) |
Follow-up (6 months) |
||||||
|---|---|---|---|---|---|---|---|---|---|
| M | SD | N | M | SD | N | M | SD | N | |
| Beck Anxiety Inventory | |||||||||
| Standard ICBT | 26.57 | 12.25 | 30 | 19.71 | 10.85 | 28 | 15.32 | 11.01 | 22 |
| Learning support | 22.22 | 11.16 | 30 | 11.70 | 8.74 | 27 | 11.14 | 7.20 | 21 |
| Standard ICBT with chat | 28.89 | 12.62 | 30 | 21.14 | 12.03 | 28 | 15.64 | 12.59 | 22 |
| Learning support with chat | 28.44 | 9.67 | 30 | 18.87 | 10.83 | 23 | 16.06 | 14.20 | 21 |
| Beck Depression Inventory | |||||||||
| Standard ICBT | 29.26 | 10.12 | 30 | 19.56 | 14.91 | 27 | 16.43 | 13.32 | 22 |
| Learning support | 25.37 | 10.08 | 30 | 11.70 | 8.20 | 27 | 9.86 | 8.97 | 21 |
| Standard ICBT with chat | 27.70 | 12.15 | 30 | 16.96 | 15.70 | 27 | 12.95 | 15.97 | 22 |
| Learning support with chat | 30.70 | 9.51 | 30 | 15.70 | 9.78 | 23 | 12.16 | 12.02 | 21 |
| Penn State Worry Questionnaire for Children | |||||||||
| Standard ICBT | 27.74 | 7.33 | 30 | 26.07 | 7.86 | 27 | Na* | na | na |
| Learning support | 27.89 | 8.01 | 30 | 25.15 | 9.13 | 27 | na | na | na |
| Standard ICBT with chat | 29.11 | 7.64 | 30 | 24.52 | 8.43 | 27 | na | na | na |
| Learning support with chat | 29.70 | 5.53 | 30 | 26.00 | 7.77 | 23 | na | na | na |
| Mini-Social Phobia Inventory | |||||||||
| Standard ICBT | 6.11 | 3.48 | 30 | 4.85 | 3.62 | 27 | na | na | na |
| Learning support | 5.78 | 3.75 | 30 | 4.78 | 3.75 | 27 | na | na | na |
| Standard ICBT with chat | 6.52 | 4.34 | 30 | 5.63 | 3.96 | 27 | na | na | na |
| Learning support with chat | 7.52 | 3.70 | 30 | 5.70 | 3.01 | 23 | na | na | na |
| Agoraphobic Cognitions Questionnaire | |||||||||
| Standard ICBT | 2.06 | 065 | 30 | 1.80 | 0.56 | 27 | na | na | na |
| Learning support | 1.70 | 0.56 | 30 | 1.48 | 0.62 | 27 | na | na | na |
| Standard ICBT with chat | 2.11 | 0.71 | 30 | 1.93 | 0.79 | 27 | na | na | na |
| Learning support with chat | 2.07 | 0.56 | 30 | 1.78 | 0.59 | 23 | na | na | na |
| Satisfaction With Life Scale | |||||||||
| Standard ICBT | 13.00 | 5.43 | 30 | 14.96 | 5.78 | 27 | 17.29 | 4.67 | 22 |
| Learning support | 15.37 | 4.07 | 30 | 17.41 | 4.52 | 27 | 17.48 | 5.72 | 21 |
| Standard ICBT with chat | 14.96 | 5.37 | 30 | 15.52 | 5.91 | 27 | 16.80 | 6.22 | 21 |
| Learning support with chat | 13.52 | 4.56 | 30 | 15.70 | 5.80 | 23 | 18.00 | 6.07 | 21 |
| Rosenberg Self-Esteem Scale | |||||||||
| Standard ICBT | 11.70 | 5.31 | 30 | 12.96 | 6.30 | 27 | 17.24 | 5.19 | 22 |
| Learning support | 14.22 | 3.97 | 30 | 16.26 | 4.36 | 27 | 19.24 | 6.42 | 21 |
| Standard ICBT with chat | 12.37 | 6.91 | 30 | 15.74 | 7.79 | 27 | 18.10 | 7.55 | 21 |
| Learning support with chat | 12.39 | 5.72 | 30 | 16.22 | 6.42 | 23 | 17.74 | 8.43 | 21 |
| Knowledge test, raw scores | |||||||||
| Standard ICBT | 12.57 | 2.38 | 30 | 14.50 | 1.75 | 28 | 13.90 | 3.12 | 21 |
| Learning support | 11.74 | 2.68 | 29 | 14.48 | 2.08 | 27 | 14.05 | 2.90 | 21 |
| Standard ICBT with chat | 12.11 | 3.26 | 30 | 13.93 | 2.39 | 28 | 14.70 | 2.13 | 20 |
| Learning support with chat | 11.50 | 3.61 | 29 | 14.71 | 2.40 | 23 | 14.32 | 2.83 | 19 |
| Knowledge test, weighted scores | |||||||||
| Standard ICBT | 14.32 | 3.96 | 30 | 22.00 | 7.34 | 28 | 19.44 | 7.10 | 21 |
| Learning support | 13.74 | 4.59 | 29 | 23.59 | 6.75 | 27 | 21.14 | 8.10 | 21 |
| Standard ICBT with chat | 14.36 | 5.93 | 30 | 21.86 | 7.21 | 28 | 23.65 | 7.05 | 20 |
| Learning support with chat | 12.71 | 4.29 | 29 | 24.04 | 6.54 | 23 | 24.42 | 7.43 | 19 |
*Observed means based on completers. Na; Not applicable, measures not administered at follow-up.