Table 2 Immediate and four months follow‒up results with intention‒to‒treat analysis using mixedeffect model estimating means and (standard deviation) for all participants
| Â | Treatment (n=40) | Placebo (n=39) | Pairwise comparison | Time (F) | Interaction (F) | ||
|---|---|---|---|---|---|---|---|
| Â | M | (SD) | M | (SD) | Â | Â | Â |
Liebowitz Social Anxiety Scale, self‒report | 6.7*** | 1.7 | |||||
Week 0 | 73.8 | (35.1) | 73.0 | (35.6) | NS | Â | Â |
Week 1 | 71.3 | (35.1) | 74.3 | (35.6) | NS | Â | Â |
Week 2 | 67.4 | (35.2) | 66.4 | (35.6) | NS | Â | Â |
Week 3 | 64.8 | (35.4) | 64.1 | (35.6) | NS | Â | Â |
Week 4 | 66.0 | (35.5) | 60.5 | (35.6) | NS | Â | Â |
4 months | 68.6 | (35.6) | 66.1 | (35.8) | NS | Â | Â |
Social Phobia Screening Questionnaire | 32.9*** | 0.6 | |||||
Pre | 31.9 | (14.6) | 33.3 | (14.8) | NS | Â | Â |
Post | 26.7 | (14.8) | 26.9 | (14.8) | NS | Â | Â |
4 months | 29.2 | (14.9) | 28.5 | (15.0) | NS | Â | Â |
Social Phobia Scale | 10.1*** | 0.3 | |||||
Pre | 40.3 | (25.4) | 40.4 | (25.7) | NS | Â | Â |
Post | 35.9 | (25.7) | 34.2 | (25.7) | NS | Â | Â |
4 months | 36.6 | (25.8) | 35.4 | (26.0) | NS | Â | Â |
Social Interaction Anxiety Scale | 5.1** | 0.3 | |||||
Pre | 50.6 | (24.2) | 53.1 | (24.5) | NS | Â | Â |
Post | 47.5 | (24.5 | 48.7 | (24.5) | NS | Â | Â |
4 months | 47.6 | (24.6) | 49.0 | (24.8) | NS | Â | Â |
Beck Anxiety Inventory | 9.6*** | 0.5 | |||||
Pre | 17.7 | (12.8) | 17.2 | (12.9) | NS | Â | Â |
Post | 15.3 | (13.0) | 13.4 | (12.9) | NS | Â | Â |
4 months | 16.2 | (13.0) | 14.1 | (13.1) | NS | Â | Â |
Quality of Life Inventory | 2.0 | 0.2 | |||||
Pre | 0.8 | (2.5) | 0.4 | (2.5) | NS | Â | Â |
Post | 1.1 | (2.5) | 0.6 | (2.5) | NS | Â | Â |
4 months | 1.0 | (2.5) | 0.6 | (2.5) | NS | Â | Â |