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Percentage of parents endorsing ASD-specific concerns.
| Group |
|||
|---|---|---|---|
| Sibs-ASD (n = 21) | Sibs-TD (n = 27) | No-Sibs (n = 21) | |
| ASD concerns | 76% | 81% | 57%* |
| Social development | 19% | 29.6% | 9.5% |
| Language or communication | 52% | 63% | 47.6% |
| Restricted and repetitive behaviors | 9.5% | – | 9.5% |
| Suspicion of autism | 4.5% | – | – |
ASD: autism spectrum disorder; TD: typically developing.
χ2 = 4.6, p = .099.
