Table 2:
Demographic details for the two groups of participating parents
| Proband status | ||
|---|---|---|
| Control(n = 33) | Language/literacy (n = 34) | |
| (couples = 0) | (couples = 4) | |
| Sex | 7 M, 26 F | 8 M, 26 F |
| Age (years) | ||
| Mean | 43.8 | 43.5 |
| SD | 5.4 | 5.3 |
| Range | 34.8–56.3 | 34.0–56.1 |
| WASI NVIQ | ||
| Mean | 112.5 | 111.4 |
| SD | 11.0 | 13.7 |
| range | 92–141 | 85–138 |
| Age at leaving full-time education (years)* | ||
| Mean | 19.2 | 18.7 |
| SD | 2.8 | 2.8 |
| Range | 15–26 | 15–24 |
*
Some parents went to university/college to study as mature-age students. The number of years spent studying was added to the age at which they first left school.