Table 1.
Demographic characteristics of the sample by outcome groups
| Autism/ASD | Other delays | No concerns | Sig. | |
|---|---|---|---|---|
| Chronological age at task administration in months (mean, SD) | 12.0 (0.5) | 12.2 (0.3) | 12.1 (0.4) | n.s. |
| Gestational age in weeks (mean, SD) | 39.2 (1.9) | 39.2 (1.9) | 39.3 (1.5) | n.s. |
| Gender (% male) | 100.0 | 70.0 | 53.2 | p < 0.05 |
| Outcome assessment (% at 36 months) | 88.9 | 60.0 | 48.9 | n.s. |
| Ethnicity/race (% non-white, non-Hispanic) | 44.4 | 20.0 | 29.8 | n.s. |
| Income levela (mean, SD) | 3.1 (1.6) | 3.9 (1.5) | 3.9 (1.5) | n.s. |
a
3.0 = $50,000–$75,000.