TABLE 2.
Demographic, Psychiatric, Cognitive, and Autism Symptom Severity Differences Between Those With and Without Fluent Speech
| Only Phrase Speech | Fluent Speech | |
|---|---|---|
| n | 119 | 253 |
| Mean age at enrollment, y | 11.0** | 12.0** |
| Age 8–12 y, % | 71** | 56** |
| Age 13–17 y, % | 29** | 44** |
| Gender (male), % | 80* | 89* |
| Income, % | ||
| ≤ $50 000 | 15 | 17 |
| $51 000–$100 000 | 38 | 42 |
| ≥$101 000 | 47 | 40 |
| Maternal education, % | ||
| No college | 13 | 13 |
| College | 68 | 64 |
| Graduate | 19 | 23 |
| Race (white versus nonwhite), % | 64 | 71 |
| Child Behavior Checklist T score | ||
| Externalizing | 55.1 | 53.8 |
| Internalizing | 56.6* | 59.4* |
| IQ | ||
| Verbal | 46.1** | 78.7** |
| Nonverbal | 65.5** | 87.7** |
| ADI: autism symptoms | ||
| Social impairment | 25.5** | 22.2** |
| Repetitive interests | 7.5* | 6.9* |
| Sensory interests | 4.4 | 4.2 |
*
P < .05, ** P < .001.