Table 4 Study 3 descriptive information by diagnostic group
|  | Total | DS + ID | FXS + ID | IID | ||||
n | 45 | 19 | 10 | 16 | ||||
Gender (% male) | 71.1 | 47.4 | 90.0 | 87.5 | ||||
Primary caregiver education (% with at least a 4-year college degree) | 65.9 | 68.4 | 50.0 | 73.3 | ||||
| Â | M | SD | M | SD | M | SD | M | SD |
Chronological age | 15.80 | 5.69 | 15.01 | 6.32 | 16.81 | 5.73 | 16.13 | 5.04 |
Mental age equivalent (Stanford-Binet 5) | 5.24 | 1.90 | 4.71 | 1.42 | 4.05 | 0.59 | 6.53 | 2.19 |
Full-scale deviation IQ score (Stanford-Binet 5; [38]) | 53.04 | 17.14 | 49.76 | 13.51 | 40.29 | 12.92 | 64.90 | 16.44 |
VABS-2 adaptive behavior composite | 59.20 | 16.73 | 62.58 | 11.21 | 49.80 | 16.82 | 61.20 | 20.82 |