Characteristics of the school study group
| Variable | Mild (n = 35) | Moderate (n = 13) | Severe (n = 19) | Control (n = 14) |
|---|---|---|---|---|
| Gender: number male (%) | 21 (60%) | 11 (84.6%) | 8 (42.1%) | 6 (42.9%) |
| Mechanism of injury | ||||
| Fall (%) | 16 (45.7%) | 3 (23.1%) | 2 (10.6%) | – |
| RTA pedestrian (%) | 6 (17.1%) | 4 (30.8%) | 13 (68.4%) | – |
| RTA in vehicle (%) | 0 (0%) | 1 (7.7%) | 3 (15.8%) | – |
| RTA cyclist (%) | 3 (8.6%) | 0 | 1 (5.3%) | – |
| All RTAs | 9 (25.7%) | 5 (38.5%) | 17 (89.5%) | – |
| Fall from bicycle (%) | 7 (20%) | 2 (15.4%) | 0 | – |
| Assault (%) | 1 (2.9%) | 1 (7.7%) | 0 | – |
| Sport (%) | 0 | 1 (7.7%) | 0 | – |
| Collision with another child (%) | 2 (5.7%) | 0 | 0 | – |
| Kicked by horse (%) | 0 | 1 (7.7%) | 0 | – |
| Total | 35 (100%) | 13 (100%) | 19 (100%) | – |
| Age at injury (yr) | ||||
| Mean (SD) | 8.89 (2.99) | 8.31 (2.98) | 9.79 (2.35) | – |
| Range | 5–14 | 5–15 | 6–14 | – |
| Age at interview (yr) | ||||
| Mean (SD) | 11.69 (2.89) | 11.85 (3.34) | 12.79 (2.49) | 11.93 (2.79) |
| Range | 6–18 | 7–16 | 8–17 | 7–16 |
| Years between injury and follow-up | ||||
| Mean (SD) | 2.03 (1.47) | 2.85 (1.77) | 1.95 (1.39) | NA |
| Range | 0–5 | 0–6 | 0–5 | |
| Days off school after TBI | ||||
| Mean(SD) | 21.7 (29.7) | 23.2 (17.9) | 135.9 (148.4) | NA |
| Range | 0–112 | 7–62 | 30–450 | |
| Therapeutic input for TBI (%) | 4 (11.4%) | 1 (7.7%) | 4 (21%) | – |
| Townsend social deprivation | ||||
| Mean (SD) | +1.13 (2.53) | −0.21 (3.64 | +1.49 (2.71) | −0.64 (2.5) |