Table 1.
Comparison of demographic and developmental variables by group
| Group |
|||
|---|---|---|---|
| Comparison (n = 60) |
Inflicted TBI (n = 64) |
Accidental TBI (n = 61) |
|
| Demographic variables | |||
| Months of age at testing M (SD) | 11.7 (8.6) | 9.8 (8.0) | 12.6 (10.3) |
| Gender F/M (n) | 31/29 | 32/32 | 25/36 |
| Ethnicity (n) | |||
| African-American | 25 | 17 | 11 |
| Hispanic | 13 | 19 | 21 |
| White | 16 | 23 | 23 |
| Other/multiethnic | 6 | 5 | 6 |
| Socioeconomic status (n) | |||
| 1 (High) | 3 | 1 | 2 |
| 2 | 16 | 8 | |
| 3 | 8 | 17 | 16 |
| 4 | 20 | 25 | |
| 5 (Low) | 13 | 13 | 15 |
| Developmental variables | |||
| Family Resource Scale M (SD) | (n = 58) 120.4 (20.3) |
(n = 50) 125.7 (21.1) |
(n = 56) 119.05 (21.6) |
| Bayley Mental Development Index* M (SD) | (n = 60) 95.7 (10.8) |
(n = 55) 81.0 (17.2) |
(n = 59) 90.7 (14.6) |
| Vineland Adaptive Behavior Scales M (SD) | (n = 38) | (n = 44) | (n = 45) |
| Communication* | 99.7 (10.2) | 87.5 (11.0) | 95.0 (12.7) |
| Social | 99.6 (10.0) | 95.0 (11.7) | 97.3 (12.3) |
Note.
*
p<.01;
TBI = traumatic brain injury, M = mean, SD = standard deviation.