Table 1.
Demographic and clinical characteristics of the sample by diagnostic group.
| Variable | MDD N = 72 |
NC N = 32 |
All N = 105 |
p |
|---|---|---|---|---|
| Females | 40 (55.6) | 11 (34.4) | 51 (49.0) | 0.075a |
| Age (years) | 12.19 (3.10) | 12.41 (2.72) | 12.26 (2.98) | NS |
| Tanner stage scores (1–5) | 2.95 (1.54)b | 3.16 (1.48) | 3.01 (1.51) | NS |
| BMI raw | 22.64 (5.99) | 22.27 (5.85) | 22.53 (5.92) | NS |
| BMI percentile | 70.79 (25. 37) | 72.06 (24.70) | 71.18 (25.05) | NS |
| BMI Z-score | 0.88 (1.00) | 0.85 (0.93) | 0.87 (0.97) | NS |
| FGAS | 63.36 (11.40) | 90.17 (4.27) | 68.72 (14.94) | < 0.001 |
| CGAS | 52.08 (7.02) | 87.83 (11.32) | 59.23 (16.45) | < 0.001 |
| CDRS-R | 57.89 (9.37) | 20.53 (9.03) | 46.39 (19.63) | < 0.001 |
| Age of onset (years) | 10.99 (3.07) | - | - | < 0.001 |
| Length of current episode (mo) | 14.55 (19.32) | - | - | |
| Suicidal ideation (1–5 scale) | 2.25 (0.80) | 1.17 (0.71) | 2.03 (0.89) | < 0.001 |
| Suicide attempts | 0 (0) | - | - | |
| Family history of MDD | 19 (26.4) | - | - | |
| Comorbid illness | 43 (59.7) | - | - | |
| ADHD | 18 | - | - | |
| Enuresis | 1 | - | - | |
| Seasonal affective disorder | 1 | - | - | |
| Dysthymia | 15 | - | - | |
| Generalized anxiety | 4 | - | - | |
| Oppositional defiant disorder | 1 | - | - | |
| Adjustment disorder | 1 | - | - | |
| Phobia | 1 | - | - | |
| OCD | 1 | - | - |
Continuous variables are represented by their means (standard deviations) and dichotomous variables by their frequency, n (%). MDD = Major Depressive Disorder; HC = Healthy Controls; BMI = Body Mass Index; FGAS = Family Global Assessment Scale; CGAS = Children’s Global Assessment Scale; CDRS-R = Children’s Depression Rating Scale-Revised; ADHD = Attention Deficit Hyperactivity Disorder; OCD = Obsessive Compulsive Disorder
a
p value for chi square with continuity correction for 2X2 table.