Table 3.
Multilevel model with random intercepts for pre-to post-treatment time-point, condition, and their interaction predicting outcome measures.
| Parameter Estimates |
|||||
|---|---|---|---|---|---|
| β | (SE) | t | g | ||
| SAD Composite | Intercept | 0.90 *** | (0.17) | 5.39 | 1.61 |
| Pre-Post | −0.91 *** | (0.21) | −4.29 | −1.32 | |
| Condition | 0.40 | (0.21) | 1.90 | 0.58 | |
| Pre-Post × Condition | −0.97 ** | (0.28) | −3.45 | −1.06 | |
| SPDQ | Intercept | 17.02 *** | (0.93) | 18.31 | 5.49 |
| Pre-Post | −4.11 ** | (1.18) | −3.48 | −1.07 | |
| Condition | 2.08 | (1.19) | 1.75 | 0.54 | |
| Pre-Post × Condition | −5.73 *** | (1.58) | −3.63 | −1.11 | |
| SIAS | Intercept | 46.80 *** | (2.67) | 17.50 | 5.24 |
| Pre-Post | −15.90 *** | (3.45) | −4.61 | −1.41 | |
| Condition | 6.45 | (3.44) | 1.87 | 0.57 | |
| Pre-Post × Condition | −12.81 ** | (4.59) | −2.79 | −0.85 | |
| MASI | Intercept | 70.70 *** | (3.92) | 18.05 | 5.41 |
| Pre-Post | −22.57 *** | (4.83) | −4.68 | −1.43 | |
| Condition | 4.01 | (4.98) | 0.81 | 0.25 | |
| Pre-Post × Condition | −13.95 * | (6.48) | −2.15 | −0.66 | |
| PSWQ | Intercept | 60.21 *** | (1.84) | 32.66 | 9.79 |
| Pre-Post | −12.89 *** | (2.54) | −5.08 | −1.56 | |
| Condition | 7.37** | (2.40) | 3.08 | 0.94 | |
| Pre-Post × Condition | −8.43 * | (3.33) | −2.53 | −0.78 | |
| PHQ-9 | Intercept | 11.19 *** | (1.13) | 9.94 | 2.98 |
| Pre-Post | −3.19 * | (1.57) | −2.03 | −0.62 | |
| Condition | 2.03 | (1.46) | 1.39 | 0.42 | |
| Pre-Post × Condition | −3.61 | (2.05) | −1.76 | −0.54 | |
β = regression weight; g = Hedge’s g effect size; MASI = job interview anxiety scale; PHQ-9 = patient health questionnaire–9-item; PSWQ = Penn State worry questionnaire; SAD composite = averaged standardized score of the social interaction anxiety scale and social phobia diagnostic questionnaire; SE = standard error; t = t-statistic for the specific parameter estimate.
*
p < .05
**
p < .01
***
p < .001.