Table V.
Matched Comparisons (Age, Sex, and IQ) of ADHD Symptoms and Other Psychiatric Comorbidities
| Variable | 22q11.2DS ADHD (n = 44) | Clinical ADHD (n = 44) | χ2, z | P |
|---|---|---|---|---|
| Mean (SD) or % | Mean (SD) or % | |||
| Age | 9.14 (2.08) | |||
| Sex | 59% males | |||
| IQ | 78.6 (11.9) | |||
| ADHD comparisons | ||||
| ADHD symptoms—inattention | 7.40 (1.20) | 7.86 (1.3) | z = 2.07 | 0.04 |
| ADHD symptoms—hyperactivity–impulsivity | 4.51 (2.47) | 7.98 (1.2) | z = 5.10 | <0.001 |
| ADHD symptoms—total | 11.91 (2.78) | 15.84 (2.1) | z = 4.96 | <0.001 |
| Other psychopathology | ||||
| Oppositional defiant disorder | 34% | 45% | χ2 = 0.33 | 0.56 |
| Conduct disorder | 0% | 24% | χ2 = −3.44 | <0.001 |
| Generalized anxiety disorder | 9% | 0% | χ2 = 1.21 | 0.23 |
| Separation anxiety disorder | 11% | 7% | χ2 = 0.44 | 0.66 |
| Major depressive disorder | 0% | 0% | n/a | n/a |
| Tic disorder | 11% | 7% | χ2 = 0.44 | 0.51 |
| ODD/CD symptoms | 3.86 (2.02) | 7.42 (2.7) | z = 4.87 | <0.001 |
| Worries symptoms | 4.24 (5.12) | 2.16 (3.8) | z = −1.76 | 0.08 |
| Depression symptoms | 4.87 (4.59) | 4.66 (3.6) | z = −0.28 | 0.78 |
| Sleep symptoms | 1.37 (1.32) | 1.07 (1.2) | z = −1.05 | 0.30 |
ADHD, attention‐deficit/hyperactivity disorder; ODD, oppositional defiant disorder; CD, conduct disorder.
The bold values signify a P‐value ≤0.05.