Table 1.
Descriptive statistics and zero-order correlations between all study variables
| M (SD) | Correlations | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. | 9. | 10. | 11. | ||
| In-session cortisol | ||||||||||||
| 1. Session 1 | 0.16 (0.17) | 1.00 | ||||||||||
| 2. Session 4 | 0.13 (0.08) | .45** | 1.00 | |||||||||
| 3. Session 7 | 0.22 (0.50) | .34* | .40** | 1.00 | ||||||||
| 4. Post-treatment extinction | 0.17 (0.19) | .44** | .44** | .56*** | 1.00 | |||||||
| Social anxiety symptoms (LSAS) | ||||||||||||
| Total Fear | ||||||||||||
| 5. Pre-treatment | 40.66 (13.69) | −.15 | −.07 | −.13 | .14 | 1.00 | ||||||
| 6. Post-treatment | 25.74 (12.00) | .09 | .14 | .29+ | .34* | .50*** | 1.00 | |||||
| 7. 1-month follow-up | 24.18 (12.41) | .28 | .18 | .41* | .19 | .40 | .86*** | 1.00 | ||||
| Total Avoidance | ||||||||||||
| 8. Pre-treatment | 39.43 (15.32) | −.07 | .07 | −.07 | .25 | .88*** | .45** | .38* | 1.00 | |||
| 9. Post-treatment | 24.28 (12.23) | .10 | .13 | .38* | .35* | .45** | .86*** | .71*** | .53*** | 1.00 | ||
| 10. 1-month follow-up | 22.30 (11.93) | .30+ | .18 | .49* | .32+ | .30 | .74*** | .87*** | .40* | .76*** | 1.00 | |
| Key covariates | ||||||||||||
| 11. BMI | 24.37 (4.82) | .12 | .13 | −.01 | .002 | .34* | .12 | .04 | .38* | .17 | .06 | 1.00 |
| 12. Number of samples contributed | 14.71 (1.47) | −.09 | −.02 | .11 | −.16 | −.02 | .09 | −.06 | −.01 | .04 | −.14 | .03 |
Note:
+
p < .10,
*
p < .05,
**
p < .01,
***
p <.001;
BMI = Body Mass Index; LSAS = Liebowitz Social Anxiety Scale. Note: Raw means are reported, however bivariate associations were conducted with winsorized and transformed variables as described in the data analysis section.