Table 1.
Demographics
| PUD mean(SD) | Healthy controls mean(SD) |
P-value | |
|---|---|---|---|
| Age(years) | 13.07(2.55) | 13.18(2.62) | 0.876a |
| Female/total | 10(25) | 10(26) | 0.45c |
| CDRS | 41.36(17.13) | 17.46(1.14) | p<0.0001a |
| HDRS | 11(6) | 0.5(1.03) | p<0.0001a |
| Hollingshead SES score | 47.09(13.82) | 44.48(13.70) | 0.524a |
| Petersen pubertal development score | 2.41(0.83) | 2.39(0.94) | 0.950a |
| Age of onset | 10.12(2.37) | - | - |
| Education | 1.6(0.5) | 1.62(0.50) | 0.913a |
| ADHD | 10 | - | - |
| Panic disorder | 1 | - | - |
| Social phobia | 3 | - | - |
| OCD | 1 | - | - |
| ODD | 5 | - | - |
| GAD | 9 | - | - |
| Enuresis | 4 | - | - |
| Encopresis | 2 | - | - |
| Drug abuse | 1 | - | - |
| SAD | 9 | - | - |
| Specific/simple phobia | 2 | - | - |
| Agoraphobia | 2 | - | - |
| Conduct disorder | 1 | - | - |
| Binge eating disorder | 1 | - | - |
| Currently or previously taken any psychotropic medication | 12 | - | - |
| Handedness (Left) | 3 | 1 | 0.34b |
| White | 11 | 6 | 0.14b |
| Black | 2 | 1 | 0.61b |
| Hispanic | 10 | 18 | 0.05b |
| Others | 2 | 1 | 0.61b |
a
student t-test,
b
Fisher’s exact test,
c
chi-square test,
PUD- pediatric unipolar depression, SD- standard deviation, OCD- obsessive compulsive disorder, ODD- opposition defiant disorder, GAD- generalized anxiety disorder, SAD – social anxiety disorder, ADHD- Attention deficit hyperactivity disorder, CDRS- child depression rating scale, HDRS- Hamilton depression rating scale, SES – social economic status.