Table 1.
Descriptive statistics for predictor variables
| Predictor | N | (%)a | M | (SD) |
|---|---|---|---|---|
| Age | 21.85 | (9.42) | ||
| Intellectual disability | ||||
| Yes | 256 | 70 | ||
| No | 108 | 30 | ||
| Gender | ||||
| Male | 270 | 74 | ||
| Female | 94 | 26 | ||
| Maternal education | ||||
| High school degree or less | 90 | 25 | ||
| Some college | 79 | 22 | ||
| Associates or bachelor’s degree | 76 | 21 | ||
| Post bachelor’s degree or graduate degree | 119 | 33 | ||
| Verbal language at age 4–5 | ||||
| Daily functional use of spontaneous or stereotyped language | 131 | 36 | ||
| No functional use of three word phrases, fewer than five words total, or speech not used daily | 233 | 64 | ||
| Autism symptoms at age 4–5 | 18.86 | (1.58) | ||
| Education context while in school | ||||
| No inclusion | 138 | 38 | ||
| Partial inclusion | 171 | 47 | ||
| Full inclusion | 55 | 15 | ||
| Maternal positive remarks | 2.15 | (2.17) | ||
| Maternal critical remarks | 0.31 | (0.82) |
a
Categories may not add to 100 % due to rounding