Table 1.
Descriptive statistics of the study sample.
| No. | Variable | Groups (Reference Group in Italic) | N | % | M (SD) |
|---|---|---|---|---|---|
| (1) | Age a | - | 1391 | 100% | 48.75 (19.22) |
| (2) | Sex | female | 483 | 35% | - |
| male | 908 | 65% | - | ||
| (3) | Living situation | alone | 292 | 21% | - |
| not alone | 1099 | 79% | - | ||
| (4) | Employment | full-time | 634 | 46% | - |
| part time | 184 | 13% | - | ||
| in training | 145 | 10% | - | ||
| unemployed | 107 | 8% | - | ||
| retired | 321 | 23% | - | ||
| (5) | Education | none/primary school | 197 | 14% | - |
| at least secondary/high school | 506 | 36% | - | ||
| post-high school training | 298 | 21% | - | ||
| college/university | 390 | 28% | - | ||
| (6) | Stratum | ER | 320 | 23% | - |
| Admission | 520 | 37% | - | ||
| ICU | 551 | 40% | - | ||
| (7) | ISS a | - | 1391 | 100% | 18.13 (14.62) |
| (8) | TBI severity | uncomplicated mild | 564 | 41% | - |
| complicated mild | 492 | 35% | - | ||
| moderate | 103 | 7% | - | ||
| severe | 232 | 17% | - | ||
| (9) | LOC | no | 456 | 33% | - |
| yes | 935 | 67% | - | ||
| (10) | Premorbid problems | none | 903 | 65% | - |
| physical | 89 | 6% | - | ||
| concussion | 94 | 7% | - | ||
| migraine | 25 | 2% | - | ||
| neurological | 53 | 4% | - | ||
| emotional or addiction | 90 | 6% | - | ||
| mixed | 137 | 10% | - | ||
| (-) | No. PCS a | - | 1391 | 100% | 4.15 (4.28) |
| RPQ Total score a | - | 1391 | 100% | 13.57 (12.37) | |
| RPQ-13 score a | - | 1391 | 100% | 11.54 (10.71) | |
| RPQ-3 score a | - | 1391 | 100% | 2.02 (2.41) | |
| Total | 1391 | 100% |
Note. Numbers in parenthesis are used for references within the text and further tables; a for continuous variables and the total scores, mean (M) and standard deviation (SD) are reported; ISS = total injury severity score, TBI = traumatic brain injury, LOC = loss of consciousness, PCS are evaluated with the frequency (symptom rated at least as mild), modified RPQ total score, RPQ-13, and RPQ-3 scores (considering “1” responses).