Table 4.
Standardized regression coefficients for predictors of change in vocabulary and grammar skills among boys with FXS over a 2-year period
| β | t | p value | |
|---|---|---|---|
| Vocabulary change composite | |||
| Leiter-R growth score | −0.02 | −0.15 | 0.88 |
| Autism symptom severity | 0.26 | 1.96 | 0.07 |
| Nonword repetition | 0.51* | 3.67 | <0.01 |
| Backward digit recall | 0.56* | 3.42 | <0.01 |
| Syntax change composite | |||
| Leiter-R growth score | −0.24 | −1.08 | 0.29 |
| Autism symptom severity | −0.08 | −0.46 | 0.65 |
| Nonword repetition | 0.46* | 2.47 | <0.05 |
| Backward digit recall | 0.45 | 2.03 | 0.06 |
*p < 0.05, statistically significant