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Education level of probands and controls
| Probands with genetic risk | Controls | |
|---|---|---|
| School type | ||
| Lerning-Disabled School | 1 | 1 |
| Secondary School | 15 | 14 |
| Grammer School/Advanced Technical College/University | 10/3 | 13/2 |
| Technical College/Vocational School | 3 | 2 |
| Education level of the parents (always the highest qualification) | ||
| Secondary School | 3 | 1 |
| Technical College/Vocational School | 17 | 17 |
| Advanced Technical College/University | 12 | 14 |
Groups did not differ significantly
