Table 1. Demographic and clinical characteristics.
| Variable | Healthy Control (n = 27) | High Risk (n = 24) | Statistic |
|---|---|---|---|
|
| |||
| Age: Mean ± standard deviation | 13.3 ± 2.6 | 12.7 ± 2.9 | t (49) = 0.8, p = 0.4 |
|
| |||
| Gender: n, % | |||
| -Female | 16, 60% | 11, 46% | χ2(n = 51) = 0.9, p = 0.4 |
| -Male | 11, 40% | 13, 54% | |
|
| |||
| IQ: Mean ± standard deviation** | 117.6 ± 12.8 | 109.8 ± 13.2 | t (47) = 2.2, p = 0.04 |
|
| |||
| Race: n, %** | χ2(n = 51) = 12.7, p = 0.01 | ||
| -Asian | 3, 11% | 0, 0% | |
| -Black, Non-Hispanic | 1, 4% | 0, 0% | |
| -Hispanic | 5, 19% | 1, 4% | |
| -White, Non-Hispanic | 14, 52% | 23, 96% | |
| - Mixed | 4, 15% | 0, 0% | |
|
| |||
| Axis I Diagnoses: n, % | 0, 0% | 22, 100%a | |
| -Bipolar Disorder not otherwise specified (NOS) | 5, 23% | ||
| -Major depressive episode | |||
| -Current | 12, 56% | ||
| -Past | 3, 14% | ||
| -Dysthymia | 2, 9% | ||
| -Adjustment disorder | 1, 5% | ||
| -Attention-deficit/hyperactivity disorder | 15, 68% | ||
| -Oppositional defiant disorder | |||
| -Generalized anxiety disorder | 5, 23% | ||
| -Anxiety disorder NOS | 4, 18% | ||
| -Specific phobia | 2, 9% | ||
| 3, 14% | |||
|
| |||
| Psychotropic medication exposure: n, % | 0, 0% | 15, 68%a | |
a
Data missing for 2 HR participants so is reported for n = 22
**
p < 0.05