Table 2.
Education level and cognitive functioning of the ASD and ADHD sample
| ASD (n = 40) | ADHD (n = 40) | |||
|---|---|---|---|---|
| n | % | n | % | |
| Schoola | ||||
| Primary (elementary) | ||||
| Special | 2 | 5.0 | 2 | 5.0 |
| Regular | 28 | 70.0 | 26 | 65.0 |
| Secondary | ||||
| Special | 1 | 2.5 | 4 | 10.0 |
| Low level | 1 | 2.5 | 1 | 2.5 |
| Moderate level | 3 | 7.5 | 3 | 7.5 |
| High level | 3 | 7.5 | 3 | 7.5 |
| Vocational | ||||
| Low level | 1 | 2.5 | 1 | 2.5 |
| Moderate level | 0 | 0.0 | 0 | 0.0 |
| High level | 1 | 2.5 | 0 | 0.0 |
| Cognitive functioning (IQ) | ||||
| 50–69 | 2 | 5.0 | 0 | 0.0 |
| 70–79 | 4 | 10.0 | 3 | 7.5 |
| 80–89 | 0 | 0.0 | 5 | 12.5 |
| 90–110 | 16 | 40.0 | 11 | 27.5 |
| 111–120 | 9 | 22.5 | 11 | 27.5 |
| 121–130 | 3 | 7.5 | 0 | 0.0 |
| >130 | 3 | 7.5 | 0 | 0.0 |
| IQ data not available | 3 | 7.5 | 10 | 25.0 |
aSchools in the Netherlands are divided in primary, secondary and vocational schools. Secondary and vocational schools are split into three education levels: low, moderate and high. Special education is viewed as a separate category; however, all levels (low-moderate-high) may be present. After graduation, transfers are possible (1) from a lower to a higher level within secondary or vocational schools and (2) from a secondary to a vocational school with the same level