Table 1.
Descriptive Statistics and relationships between variables.
| Variables | M | SD | 1. | 2. | 3. | 4. | 5. | 6. | 7. | 8. |
|---|---|---|---|---|---|---|---|---|---|---|
| 1. Intolerance of Uncertainty (IUS-12) | 27.70 | 8.63 | 1 | |||||||
| 2. Intolerance of Uncertainty (IUI-A) | 25.90 | 8.08 | 0.70 *** | 1 | ||||||
| 3. Anxiety Sensitivity Physical (ASI-3) | 4.06 | 4.61 | 0.27 *** | 0.30 *** | 1 | |||||
| 4. Anxiety Sensitivity Social (ASI-3) | 6.87 | 4.84 | 0.33 *** | 0.31 *** | 0.43 *** | 1 | ||||
| 5. Anxiety Sensitivity Mental (ASI-3) | 4.26 | 4.22 | 0.43 *** | 0.35 *** | 0.57 *** | 0.50 *** | 1 | |||
| 6. Depression (BDI-II) |
9.86 | 8.30 | 0.41 *** | 0.35 *** | 0.38 *** | 0.34 *** | 0.53 *** | 1 | ||
| 7. Trait Anxiety (STAI-Y) | 40.12 | 9.29 | 0.50 *** | 0.40 *** | 0.40 *** | 0.37 *** | 0.57 *** | 0.73 *** | 1 | |
| 8. Sleep Quality (PSQI) | 6.00 | 2.74 | 0.06 | 0.03 | 0.18 ** | 0.11 | 0.21 *** | 0.42 *** | 0.41 *** | 1 |
| 9. Insomnia Severity (ISI) | 7.14 | 4.51 | 0.22 *** | 0.19 *** | 0.24 *** | 0.15 *** | 0.33 *** | 0.48 *** | 0.51 *** | 0.67 *** |
N = 300; *** p < 0.001, ** p < 0.01, * p < 0.05.