Table 8.
Changes in self-report variables, with adjusted critical p-value.
| Pre-MBCT |
Post-MBCT |
t-value |
p-value |
Effect size |
||
|---|---|---|---|---|---|---|
| Measure/Sample | N | M (SD) | M (SD) | t | p | d |
| LSAS-SR | ||||||
| Full-Sample | 22 | 60.95 (29.25) | 47.68 (23.63) | 3.26 | 0.004 | 0.45 |
| §SAD | 14 | 68.86 (25.54) | 52.86 (22.22) | 2.65 | 0.020 | 0.63 |
| PSWQ | ||||||
| Full-Sample | 22 | 52.05 (16.06) | 45.36 (14.54) | 2.81 | 0.010 | 0.42 |
| GAD | 15 | 54.33 (14.34) | 46.40 (15.44) | 3.02 | 0.009 | 0.55 |
| PANAS: PA | ||||||
| Full-Sample | 22 | 20.41 (8.59) | 24.59 (10.46) | -3.06 | 0.006 | 0.49 |
| §SAD | 14 | 20.64 (9.54) | 25.50 (11.89) | -2.85 | 0.014 | 0.51 |
| §GAD | 15 | 19.47 (7.97) | 23.07 (7.78) | -2.57 | 0.022 | 0.45 |
| PANAS: NA | ||||||
| §Full-Sample | 22 | 13.27 (10.57) | 10.23 (7.80) | 2.12 | 0.046 | 0.29 |
| SAD | 14 | 15.57 (11.96) | 11.29 (7.61) | 2.08 | 0.058 | 0.36 |
| GAD | 15 | 14.47 (11.61) | 10.60 (8.25) | 2.05 | 0.060 | 0.33 |
| FFMQ: Awareness | ||||||
| Full-Sample | 22 | 24.86 (6.79) | 28.00 (6.36) | -2.90 | 0.009 | 0.46 |
| §SAD | 14 | 24.43 (6.66) | 28.43 (6.42) | -2.67 | 0.019 | 0.60 |
| §GAD | 15 | 24.00 (7.45) | 26.73 (6.87) | -2.05 | 0.059 | 0.37 |
| FFMQ: Total | ||||||
| Full-Sample | 22 | 109.86 (17.46) | 123.50 (21.50) | -3.64 | 0.002 | 0.78 |
| SAD | 14 | 109.07 (17.08) | 129.93 (18.82) | -4.95 | <0.001 | 1.22 |
| §GAD | 15 | 108.67 (17.88) | 120.87 (18.31) | -2.51 | 0.025 | 0.68 |
§Denotes statistical tests that are no longer significant after the application of the False Discovery Rate (FDR) adjusted p-value (0.011). SAD, Individuals with social anxiety disorder diagnosis; GAD, Individuals with generalized anxiety disorder diagnosis; LSAS-SR (Liebowitz Social Anxiety Scale – Self-Report; Liebowitz, 1987); PSWQ (Penn State Worry Questionnaire – Self-Report; Meyer et al., 1990); PANAS, PA/NA (Positive Affect/Negative Affect subscales of Positive Affect and Negative Affect Schedule; Watson et al., 1988); FFMQ, Awareness/Total (Awareness subscale and Total scale of the Five Facet Mindfulness Questionnaire – Self-Report; Baer et al., 2008); Effect size (d) = difference in means/pre-treatment standard deviation.