Table 6.
Hierarchical regressions in reduced samples (SAD and GAD), with adjusted critical p-value.
| Predicted variable | Predictors in Set | ΔR2 | ΔF | β | t | p |
|---|---|---|---|---|---|---|
| Reduced Sample: SAD | ||||||
| Post-LSAS | ||||||
| Block 1 | 0.33 | 1.61 | 0.249 | |||
| Pre-LSAS | 0.46 | 1.87 | 0.098 | |||
| Pre-PANAS:PA | -0.09 | -0.39 | 0.705 | |||
| Pre-PANAS:NA | 0.25 | 0.56 | 0.588 | |||
| Block 2 | 0.11 | 1.66 | 0.230 | |||
| Δ PANAS:NA | -0.31 | -0.80 | 0.444 | |||
| §Block 3 | 0.30 | 8.72 | 0.018 | |||
| Δ PANAS:PA | 0.58 | 2.95 | 0.018 | |||
| Reduced Sample: GAD | ||||||
| Post-PSWQ | ||||||
| Block 1 | 0.66 | 7.09 | 0.006 | |||
| Pre-PSWQ | 0.012 | 0.39 | 0.705 | |||
| Pre-PANAS:PA | 0.26 | 1.36 | 0.208 | |||
| Pre-PANAS:NA | 0.86 | 1.91 | 0.088 | |||
| §Block 2 | 0.15 | 7.55 | 0.021 | |||
| Δ PANAS:NA | -0.84 | -2.43 | 0.038 | |||
| Block 3 | <0.01 | 0.14 | 0.714 | |||
| Δ PANAS:PA | 0.06 | 0.38 | 0.714 | |||
§Denotes statistical tests that are no longer significant after the application of the False Discovery Rate (FDR) adjusted p-value (0.011). For each regression block, the p value is the significance of change in predicted variance. For each predictor, the p value is the significance of that individual predictor. The β, t, p values for each predictor are the values in the final step of the regression. SAD, Individuals with social anxiety disorder diagnosis; GAD, Individuals with generalized anxiety disorder diagnosis; Pre, Before treatment; Post, After treatment; 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).