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Demographics of the participants with age in years.
| Age Group | Infants | Children | ||
|---|---|---|---|---|
| Language Group | Non-Signing | Signing | Non-Signing | Signing |
| Count (N = 61) | 16 | 10 | 15 | 20 |
| Female/Male | 5/11 | 7/3 | 8/7 | 10/10 |
| Age in years (Mean ± SE) | .69 ±.06 | .78 ±.07 | 4.91 ±.37 | 4.99 ±.39 |
| Range in years | .44 to 1.1 | .58 to 1.18 | 2.13 to 8.15 | 2.70 to 8.3 |
