Table 2.
Changes in mood following disclosure of having received a placebo treatment.
| Depression | Anxiety | Frustration | Anger | Fear | ||
|---|---|---|---|---|---|---|
| Control n = 28 | 2- week pre- disclosure | 13.15 (24.26) | 24.46 (22.17) | 23.38 (25.86) | 15.08 (25.48) | 16.27 (27.32) |
| 2- week post disclosure | 8.88 (16.80) | 13.46 (21.94) | 13.58 (22.74) | 8.81 (21.35) | 9.00 (21.36) | |
| SMT n = 27 | 2- week pre disclosure | 14.73 (19.11) | 20.73 (20.07) | 26.00 (25.89) | 5.88 (10.73) | 12.69 (19.35) |
| 2- week post disclosure | 11.38 (17.31) | 12.77 (15.46) | 15.92 (20.82) | 4.46 (11.50) | 6.19 (15.62) | |
| Placebo n = 27 | 2- week pre disclosure | 13.72 (16.66) | 18.32 (21.35) | 20.68 (22.83) | 8.96 (14.22) | 9.80 (13.99) |
| 2- week post disclosure | 10.04 (18.42) | 12.84 (20.84) | 12.36 (21.67) | 5.92 (10.89) | 5.00 (7.56) | |
| Enhanced placebo n = 28 | 2- week pre disclosure | 8.30 (13.17) | 12.85 (18.14) | 12.78 (15.63) | 4.52 (7.61) | 5.89 (8.41) |
| 2- week post disclosure | 5.81 (10.71) | 7.52 (11.64) | 5.63 (9.02) | 2.33 (4.10) | 3.59 (5.44) | |
| Total sample n = 110 | 2- week pre disclosure | 12.42 (18.61) | 19.04 (20.61) | 20.63 (23.10) | 8.57 (16.25) | 11.13 (18.72) |
| 2- week post disclosure | 8.99 (15.92) | 11.60 (17.78) | 11.81 (19.39) | 5.35 (13.43) | 5.93 (13.96) |
Notes: All data are reported as mean (standard deviation) of ratings on a visual analog scale (in millimeters).
Group related changes were not observed for any measures of mood (p > 0.05); however, a main effect for time was observed for improvements in all measures of mood (p < 0.01).