Table 2.
Diagnoses of sample members (n=286).
| Time 1 | Time 4 | |||
|---|---|---|---|---|
| Diagnosis | n | % | n | % |
| ASD Diagnosisa | ||||
| Asperger's Disorder | 42 | 14.7% | 42a | 14.7% |
| Autistic Disorder | 230 | 80.4% | 230b | 80.4% |
| Childhood Disintegrative Disorder | 1 | 0.3% | 1b | 0.3% |
| PDD-NOS | 67 | 23.4% | 67b | 23.4% |
| Any ASD diagnosis | 286 | 100% | 286 | 100% |
| Mental health diagnosis | ||||
| Anxiety Disorder | 62 | 21.7% | 82 | 28.6% |
| Attention Deficit Hyperactivity Disorder | 44 | 15.4% | 46 | 16.1% |
| Bipolar Disorder | 12 | 4.2% | 16 | 5.6% |
| Depression | 39 | 13.6% | 52 | 18.2% |
| Obsessive Compulsive Disorder | 60 | 21.0% | 70 | 24.5% |
| Oppositional Defiant Disorder | 3 | 1.0% | 4 | 1.4% |
| Schizophrenia | 1 | 0.3% | 3 | 1.0% |
| Any mental health diagnosis | 121 | 42.3% | 145 | 50.7% |
| Other developmental disability | ||||
| Blindness | 8 | 2.8% | 9 | 3.1% |
| Cerebral Palsy | 8 | 2.8% | 9 | 3.1% |
| Down syndrome | 3 | 1.0% | 3b | 1.0% |
| Epilepsy | 58 | 20.3% | 62 | 21.7% |
| Fragile X syndrome | 2 | 0.7% | 2b | 0.7% |
| Intellectual disability (ID) | 199 | 69.6% | 199b | 69.6% |
| Landau Kleffner syndrome (other seizure, non-epilepsy) | 3 | 1.0% | 4 | 1.4% |
| Tourette syndrome | 10 | 3.5% | 11 | 3.8% |
| Any other developmental disability (excluding ID) | 85 | 29.7% | 92 | 32.2% |
| Any other developmental disability (including ID) | 202 | 70.6% | 203 | 71.0% |
| Any comorbid diagnosis (excluding ID) | 172 | 60.1% | 194 | 67.8% |
| Any comorbid diagnosis (including ID) | 242 | 84.6% | 251 | 87.8% |
a
Some individuals had multiple ASD diagnoses.
b
No new cases identified between Time 1 and Time 4.