Table 5.
Significant parameter estimates (and variance explained) in Level 2 conditional models for child-rated PCS
| Measure |
|||||||||
|---|---|---|---|---|---|---|---|---|---|
| PCS-I symptoms |
HBI Cognitive symptoms |
HBI Somatic symptoms |
|||||||
| Predictors | Intercept | Linear change |
Quadratic change |
Intercept | Linear change |
Quadratic change |
Intercept | Linear change |
Quadratic change |
| Complicated Mild TBI vs. OI |
−7.28**
(23.9%) |
9.33**
(26.1%) |
−7.65*
(2.3%) |
||||||
| Uncomplicated Mild TBI vs. OI |
−4.31*
(−1.8%) |
||||||||
| Race | 2.08* | ||||||||
| SES | 1.08* | ||||||||
| Age at Injury | −.29** | −.76** | 1.15** | ||||||
| Cognitive Ability | −.07*
(3.7%) |
−.19**
(6.6%) |
|||||||
| Complicated Mild TBI vs. OI × Cognitive Ability |
.11*
(2.2%) |
.58**
(16.4%) |
−.70*
(16.6%) |
||||||
| Uncomplicated Mild TBI vs. OI × Cognitive Ability |
|||||||||
Note. PCS-I = Postconcussive Symptom Interview; HBI = Health and Behavior Inventory; TBI = traumatic brain injury; OI = orthopedic injury.
**
p<.01,
*
p<.05.