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. 2020 Jun 19;9(6):1931. doi: 10.3390/jcm9061931

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).