Table 2.
Sample Descriptive Statistics for Variables Derived from the K-SADS
| Variable (coded 1–3, unless otherwise specified) |
Mean | SD |
|---|---|---|
| Affective disturbance | ||
| a. Depressed mood | 1.69 | 0.86 |
| b. Irritability | 1.68 | 0.85 |
| Anhedonia | 1.69 | 0.89 |
| Weight/appetite disturbance | 1.69 | 0.89 |
| Sleep disturbance | 1.93 | 0.94 |
| Psychomotor disturbance | 1.84 | 0.90 |
| Fatigue, energy, tiredness | 1.89 | 0.94 |
| Worthlessness/guilt | 1.97 | 0.92 |
| Cognitive disturbance | 1.97 | 0.94 |
| Suicide | 1.49 | 0.78 |
| Raw symptom count (0–10) | 2.66 | 3.06 |
| Raw symptom sum (10–30) | 14.93 | 8.01 |
| Major depression (0,1) | 0.33 | 0.47 |
*
Analytic sample N = 3403.