Table 3.
Demographic characteristics of entire sample.
| Characteristic | OI (n = 61) |
TBI-Mild-Moderate (n = 57) |
TBI-Severe (n = 25) |
F(χ2) | |||
|---|---|---|---|---|---|---|---|
| M | SD | M | SD | M | SD | ||
| Age at injury (years) | 7.8 | 1.8 | 8.0 | 1.9 | 7.5 | 2.1 | 0.611 |
| Age at testing (years) | 10.6 | 1.7 | 10.5 | 1.5 | 9.9 | 1.5 | 1.752 |
| Time from injury to testing (years) | 2.8 | 1.0 | 2.6 | 1.2 | 2.5 | 1.2 | 1.162 |
| SES | 0.30 | 1.01 | −0.14 | 1.00 | −0.41 | 0.77 | 5.779*** |
| WASI IQ | 109.9 | 13.4 | 99.8 | 14.6 | 97.7 | 14.3 | 10.306*** |
| Glasgow Coma Scale | 15 | 0 | 13.8 | 2.0 | 4.0 | 1.7 | – |
| Sex (female; male) | 24 female, 37 male | 19 female, 38 male | 9 female, 16 male | (0.462) | |||
| Ethnicity | 54 Caucasian, 3 African/Caribbean descent, 3 Multiracial, 1 Unspecified | 45 Caucasian, 6 African/Caribbean descent, 4 Multiracial, 2 Unspecified | 19 Caucasian, 3 African/Caribbean descent, 0 Multiracial, 3 Unspecified | – | |||
***
p < 0.01.