Table 2.
ADHD Comorbidity, age and gender relations22
| Age: 2 to 5 years | Males | Females | Total |
|---|---|---|---|
| ODD | 62.21% | 52.63% | 60.67% |
| CD | 22.74% | 17.54% | 21.91% |
| DD | 1.00% | 0.00% | 0.84% |
| MD | 0.00% | 0.00% | 0.00% |
| AD | 3.68% | 7.02% | 4.21% |
| PDDs | 20.07% | 24.56% | 20.79% |
| ADHD only | 10.37% | 7.02% | 9.83% |
| Total | 299 | 57 | 356 |
| Age: 6 to 12 years | Males | Females | Total |
|---|---|---|---|
| ODD | 62.44% | 52.23% | 60.36% |
| CD | 20.49% | 14.54% | 19.27% |
| AD | 10.77% | 13.35% | 11.30% |
| DD | 3.79% | 5.04% | 4.05% |
| PDDs | 3.72% | 2.67% | 3.50% |
| MD | 2.43% | 1.78% | 2.30% |
| ADHD only | 21.32% | 25.22% | 22.11% |
| Total | 1318 | 337 | 1655 |
| Age: 13 to 18 years | Males | Females | Total |
|---|---|---|---|
| ODD | 61.97% | 60.54% | 61.62% |
| CD | 30.87% | 27.89% | 30.13% |
| AD | 14.32% | 15.65% | 14.65% |
| MD | 10.29% | 25.17% | 13.97% |
| DD | 12.53% | 17.01% | 13.64% |
| PDDs | 2.46% | 2.04% | 2.36% |
| ADHD only | 17.23% | 12.24% | 15.99% |
| Total | 447 | 147 | 594 |
| Age: >18 years | Males | Females | Total |
|---|---|---|---|
| MD | 35.71% | 54.02% | 41.08% |
| AD | 14.76% | 27.59% | 18.52% |
| DD | 12.86% | 16.09% | 13.80% |
| ODD | 5.24% | 3.45% | 4.71% |
| CD | 0.48% | 3.45% | 1.35% |
| PDDs | 0.00% | 0.00% | 0.00% |
| ADHD only | 36.19% | 22.99% | 32.32% |
| Total | 210 | 87 | 297 |
KEY—
- OCD:
obsessive-compulsive disorder
- CD:
conduct disorder
- AD:
anxiety disorders
- MD:
major depression
- DD:
dysthymic disorder
- PDDs:
pervasive developmental disorders
- ADHD:
attention deficit/hyperactivity disorder