Table 1.
Characteristic | Williams syndrome
|
Mixed etiologies
|
t or χ2 | ||||
---|---|---|---|---|---|---|---|
Mean/% | SD | Range | Mean/% | SD | Range | ||
Child gender (% male) | 39.1 | 40 | .004 | ||||
Child ethnicity (%) | |||||||
Caucasian | 95.7 | 74.1 | |||||
Hispanic | 14.8 | 5.14 | |||||
Native American | 3.7 | ||||||
Biracial | 4.3 | 7.4 | |||||
Child | |||||||
CA | 47.83 | 18.53 | 27–100 | 43.57 | 13.93 | 24–71 | −.93 |
Overall MA | 25.94 | 6.76 | 15.75–42.25 | 28.81 | 12.62 | 13–67.5 | .88 |
Verbal MA | 32.45 | 14.33 | 15.50–83 | 27.48 | 11.02 | 11–62 | −1.37 |
Mothers | |||||||
Age (years) | 33.65 | 5.34 | 20–42 | 37.72 | 6.47 | 26–54 | 2.43* |
Education level | 4.52 | 1.16 | 2–5 | 3.86 | 1.12 | 2–6 | 2.06* |
Fathers | |||||||
Age (years) | 35.61 | 7.61 | 21–51 | 40.07 | 6.21 | 30–57 | 2.31* |
Education level | 4.17 | 1.03 | 2–6 | 4.21 | 1.11 | 2–6 | .11 |
p <.05.