Factor loadings for 6 month outcome variables
| Scale | Subscale | TBI symptoms | Age and cognition |
|---|---|---|---|
| Glasgow Outcome Scale Extended | 6 month | −0.73 | −0.033 |
| Brief Symptom Inventory | Somatic | 0.71 | 0.16 |
| Depression | 0.86 | −0.075 | |
| Anxiety | 0.87 | −0.032 | |
| Global severity index | 0.99 | −0.043 | |
| Satisfaction with Life Scale | −0.83 | 0.29 | |
| Education | −0.33 | −0.51 | |
| Age | −0.036 | 0.42 | |
| Trail Making Test | Part A | 0.19 | 0.62 |
| Part B | −0.085 | 0.89 | |
| Wechsler Adult Intelligence Scale | Processing speed | 0.25 | −0.92 |
| California Verbal Learning Test | −0.10 | −0.31 | |
| Percentage covariance | 37% | 22% |
Loadings >0.3 are shown in bold to assist interpretation. BSI and TMT scales are reverse coded such that higher scores indicate more symptoms or poorer performance.