Table 1.
Descriptive statistics and Pearson's r correlation coefficients for the Inventory of Depression and Anxiety Symptoms subscales in the undergraduate (top) and clinical (bottom) samples
| Undergraduate Sample (N=75) | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
| 1. General Depression | - | .93 | .71 | .75 | .47 | .61 | .22 | -.37 | |
| 2. Dysphoria | - | .68 | .62 | .38 | .41 | .30 | -.29 | ||
| 3. Lassitude | - | .53 | .12 | .42 | .17 | -.10 | |||
| 4. Insomnia | - | .34 | .50 | .10 | -.08 | ||||
| 5. Suicidality | - | .41 | .25 | -.08 | |||||
| 6. Appetite Loss | - | .04 | -.10 | ||||||
| 7. Appetite Gain | - | .08 | |||||||
| 8. Well-Being | - | ||||||||
|
| |||||||||
| M | 42.49 | 21.64 | 14.39 | 12.65 | 7.09 | 4.87 | 6.95 | 27.09 | |
| SD | 12.65 | 7.66 | 4.55 | 5.01 | 2.74 | 3.15 | 3.00 | 7.25 | |
| Cronbach's α | .90 | .87 | .69 | .78 | .80 | .95 | .75 | .90 | |
|
| |||||||||
| Clinical Sample (N=135) | |||||||||
|
| |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | ||
|
| |||||||||
| 1. General Depression | - | .97 | .85 | .77 | .61 | .65 | .37 | -.77 | |
| 2. Dysphoria | - | .82 | .69 | .59 | .54 | .44 | -.71 | ||
| 3. Lassitude | - | .57 | .52 | .48 | .29 | -.59 | |||
| 4. Insomnia | - | .35 | .55 | .36 | -.53 | ||||
| 5. Suicidality | - | .31 | .21 | -.42 | |||||
| 6. Appetite Loss | - | -.04 | -.50 | ||||||
| 7. Appetite Gain | - | -.21 | |||||||
| 8. Well-Being | - | ||||||||
|
| |||||||||
| M | 45.67 | 22.79 | 13.65 | 13.45 | 7.39 | 5.22 | 5.73 | 22.08 | |
| SD | 18.82 | 11.12 | 5.71 | 6.96 | 2.76 | 3.16 | 3.04 | 8.62 | |
| Cronbach's α | .96 | .95 | .82 | .91 | .77 | .96 | .86 | .95 | |
Note. IDAS general depression is a composite of items from the specific content subscales dysphoria, lassitude, insomnia, suicidality, appetite loss, appetite gain, and well-being. Bolded correlation coefficients were significant at p < .05. M = mean; SD = standard deviation.