Table 1.
Sample characteristics and demographic data.
| Variable | Group | |||||
|---|---|---|---|---|---|---|
| OI | TBI | |||||
| M/N | SD/% | M/N | SD/% | p | ||
| Age (M [SD] years) | 12.37 | 2.41 | 12.57 | 2.64 | .484 | |
| Full Scale IQ (M [SD]) | 97.81 | 14.62 | 98.51 | 14.32 | .745 | |
| Socioeconomic Status (M [SD] z-score) | −0.24 | 0.90 | 0.14 | 1.02 | .009 | |
| Race (N [%] White/Asian) | 27 | 39.13 | 72 | 54.54 | .038 | |
| Sex (N [%] male) | 47 | 68.12 | 87 | 65.91 | .753 | |
| Parent PCS Ratings | ||||||
| Premorbid Somatic Symptoms | 2.96 | 4.4 | 3.47 | 3.83 | .422 | |
| Premorbid Cognitive Symptoms | 9.99 | 7.82 | 10.03 | 7.58 | .917 | |
| Post-acute Somatic | 3.04 | 4.06 | 7.59 | 5.51 | <.001 | |
| Post-acute Cognitive | 9.07 | 8.37 | 12.34 | 8.91 | .018 | |
| 3-month Somatic | 2.98 | 4.12 | 3.44 | 3.98 | .299 | |
| 3-month Cognitive | 9.33 | 8.55 | 9.84 | 7.99 | .845 | |
| 6-month Somatic | 1.95 | 2.46 | 2.79 | 3.82 | .223 | |
| 6-month Cognitive | 8.93 | 8.73 | 9.07 | 8.35 | .906 | |
| Child PCS Ratings | ||||||
| Post-acute Somatic | 4.72 | 5.05 | 9.13 | 5.83 | <.001 | |
| Post-acute Cognitive | 9.78 | 8.13 | 13.74 | 8.23 | .016 | |
| 3-month Somatic | 4.30 | 4.22 | 4.89 | 4.90 | .656 | |
| 3-month Cognitive | 8.68 | 7.15 | 9.42 | 8.07 | .955 | |
| 6-month Somatic | 3.57 | 4.07 | 4.53 | 4.76 | .220 | |
| 6-month Cognitive | 8.40 | 7.48 | 8.10 | 7.60 | .945 | |
| Mechanism of Injury | .001 | |||||
| Fall | 29 | 42.02 | 43 | 32.58 | - | |
| Motor vehicle related | 2 | 2.89 | 6 | 4.55 | - | |
| Struck by an object | 16 | 23.19 | 35 | 26.52 | - | |
| Struck by a person | 7 | 10.14 | 34 | 25.76 | - | |
| Bicycle related | 5 | 7.25 | 12 | 9.09 | - | |
| Glasgow Coma Scale | – | – | 14.85 | 0.45 | – | |