From: Developmental profiles of infants with an FMR1 premutation
| Premutation sample (n = 26) | Comparison sample (n = 21) | |
|---|---|---|
| Number of assessments | 76 | 48 |
| Gender | 15 females | 15 females |
| 11 males | 6 males | |
| Ethnicity | 14 (54 %) White | 12 (57 %) White |
| 6 (23 %) African American | 5 (24 %) African American | |
| 2 (8 %) Hispanic | 2 (10 %) Hispanic | |
| 4 (15 %) other | 2 (9 %) other | |
| CGG repeat (range) | 55–125 | – |