Table 4:
Mean and SD scores on language and literacy measures for the two groups of parents
| Proband status | |||||||
|---|---|---|---|---|---|---|---|
| Control | Language/Literacy | ||||||
| Mean | SD | n* | Mean | SD | n* | T-tests | |
| Oromotor (raw out of 70) | 64.0 | 4.6 | 4 | 59.0 | 5.0 | 16 | t = − 4.163, P < 0.001 |
| Nonword repetition (raw out of 46) | 41.0 | 3.9 | 3 | 36.8 | 4.4 | 6 | t = − 4.063, P < 0.001 |
| Digit span (raw out of 16) | 11.1 | 2.2 | 1 | 9.6 | 2.1 | 9 | t = − 2.869, P < 0.01 |
| TOWRE sight words (scaled) | 93.2 | 12.0 | 4 | 90.2 | 16.2 | 7 | t = −0.674, ns |
| TOWRE phonemic decoding (scaled) | 99.1 | 12.9 | 2 | 92.5 | 16.5 | 4 | t = − 1.574, ns |
| Spelling task (raw out of 40) | 36.5 | 4.1 | 3 | 34.1 | 7.7 | 5 | t = − 1.496, ns |
| TROG-2 (scaled) | 101.8 | 7.9 | 1 | 99.5 | 7.8 | 0 | t = − 1.188, ns |
*
n refers to parents scoring below the 10th centile.