Table 1 Primary and secondary outcomes by study arm¹
| Â | Intervention arm | Active comparator arm (n= 19) | Mean difference (n= 19) (95% confidence interval) | pvalue |
|---|---|---|---|---|
Primary outcome | ||||
Mean BDI score (SD) | Â | Â | Â | Â |
   Baseline | 26.5 (10.7) | 30.5 (12.0) |  |  |
   Plenary | 18.1 (13.0) | 29.6 (13.9) |  |  |
Mean change | -8.5 (9.8) | -0.9 (6.6) | -11.5 (-20.4 to -2.7) | 0.006 |
Secondary outcomes | ||||
Mean GHQ score (SD) | Â | Â | Â | Â |
   Baseline | 8.3 (3.7) | 8.8 (3.4) |  |  |
   Plenary | 3.5 (3.1) | 7.5 (4.3) |  |  |
   Mean change | -4.8 (5.3) | -1.3 (2.5) | -4.0 (-6.5 to -1.5) | 0.001² |
Mean SF-12 score (SD) | Â | Â | Â | Â |
   Baseline | 25.9 (6.2) | 25.6 (7.5) |  |  |
   Plenary | 30.0 (8.7) | 26.4 (7.2) |  |  |
   Mean change | 4.1 (7.3) | 0.8 (2.8) | 3.6 (-1.7 to 8.8) | 0.08 |
Mean RSES score (SD) | Â | Â | Â | Â |
   Baseline | 11.3 (5.8) | 11.0 (4.9) |  |  |
   Plenary | 14.7 (4.8) | 11.5 (4.9) |  |  |
   Mean change | 3.4 (3.1) | 0.5 (3.0) | 3.2 (0.3 to 6.4) | 0.024 |
Mean MSPSS score (SD) | Â | Â | Â | Â |
   Baseline | 47.6 (18.3) | 51.6 (15.4) |  |  |
   Plenary | 52.1 (16.7) | 58.1 (16.9) |  |  |
   Mean change | 4.5 (10.1) | 6.4 (19.6) | 5.9 (-5.1 to 17.0) | 0.14 |
Mean QLDS score (SD) | Â | Â | Â | Â |
   Baseline | 15.5 (7.9) | 20.3 (8.5) |  |  |
   Plenary | 12.3 (7.2) | 18.2 (11.4) |  |  |
   Mean change | -3.3 (3.1) | -2.1 (7.7) | -5.9 (-12.2 to 0.4) | 0.0325 |
Mean Attendance (×/12)(SD) | 8.2 (3.6) | 5.9 (4.2) | 2.3 (-3.14 to 4.8) | 0.0415 |
Physiological outcomes³ | ||||
Mean heart rate @ time 0 (beats/min) (SD) | Â | Â | Â | Â |
   Baseline | 87.5 (15.8) | 92.8 (5.6) |  |  |
   Plenary | 95.1 (18.5) | 96.6(11.7) |  |  |
   Mean change | 4.4 (15.7) | 2.0 (6.5) | 1.5 (-12.2 to 15.8) | 0.414 |
Mean peak heart rate (beats/min) (SD) | Â | Â | Â | Â |
   Baseline | 109.6 (21.1) | 121.3 (15.8) |  |  |
   Plenary | 121.1 (18.2) | 136.8 (29.5) |  |  |
   Mean change | 6.7 (17.2) | 8.2 (17.5) | 15.7 (-6.4 to 37.9) | 0.77 |
Mean RPE score @ time 0 (SD) | Â | Â | Â | Â |
   Baseline | 9.2 (3.2) | 8.6 (3.3) |  |  |
   Plenary | 7.9 (2.6) | 9.4 (3.6) |  |  |
   Mean change | -0.7 (2.0) | 0.4 (1.1) | 1.5 (-1.4 to 4.3) | 0.144 |
Mean peak RPE score (SD) | Â | Â | Â | Â |
   Baseline | 10.4 (2.8) | 10.5 (2.9) |  |  |
   Plenary | 9.8 (2.7) | 12.2 (3.5) |  |  |
   Mean change | -0.3 (1.9) | 0.9 (1.7) | 2.4 (-0.5 to 5.2) | 0.0475 |