Table 1

Characteristics of the samples of patients with TBI

All casesTest–retest sampleGerman language
N792375153
Gender
 Male570 (72%)269 (72%)103 (67%)
 Female222 (28%)106 (28%)50 (33%)
Age (years)
 17–30270 (34%)119 (32%)33 (22%)
 31–44247 (31%)108 (29%)28 (18%)
 45–68275 (35%)148 (39%)92 (60%)
Highest educational qualification
 Diploma or degree260 (35%)90 (28%)49 (32%)
 Technical or trade certificate216 (29%)122 (37%)55 (36%)
 School/other260 (35%)114 (35%)48 (33%)
GCS (24 h worst)
 Severe: 3–8463 (58%)196 (52%)40 (26%)
 Moderate: 9–1275 (10%)39 (10%)17 (11%)
 Mild: 13–15254 (32%)140 (37%)96 (63%)
Major lesion
 None116 (15%)53 (14%)36 (24%)
 Focal416 (53%)218 (59%)108 (73%)
 Diffuse250 (32%)99 (27%)4 (3%)
Years since injury
 <1 year93 (12%)37 (10%)19 (12%)
 1–<2 years102 (13%)43 (12%)23 (15%)
 2–<4 years202 (26%)113 (30%)50 (33%)
 4–18 years392 (50%)180 (48%)61 (40%)
Rehabilitation
 Current255 (33%)94 (26%)6 (4%)
 Previous394 (51%)182 (49%)79 (52%)
 No rehabilitation128 (16%)93 (25%)68 (44%)
Employment status
 Employed full-time168 (23%)80 (21%)60 (39%)
Relationship status
 Single301 (41%)118 (36%)27 (18%)
 Partnered349 (47%)170 (52%)111 (73%)
 Past partnered90 (12%)39 (12%)14 (9%)
Living arrangements
 Independent418 (57%)186 (57%)111 (73%)
 Supported319 (43%)141 (43%)42 (27%)
Number of comorbid health conditions
 0–3314 (41%)121 (33%)63 (41%)
 4–6225 (29%)128 (35%)39 (26%)
 7 and more234 (30%)113 (31%)51 (33%)
Self-reported health status
 Healthy528 (72%)230 (72%)96 (64%)
 Unhealthy202 (28%)91 (28%)55 (36%)
GOSE at follow-up
 Severe disability (3–4)143 (18%)86 (23%)13 (8%)
 Moderate disability (5–6)432 (54%)178 (48%)53 (34%)
 Good recovery (7–8)217 (28%)111 (30%)87 (57%)
Questionnaire administration
 Self-completed, face-to-face240 (30%)130 (35%)4 (3%)
 Self-completed, mail323 (41%)162 (43%)149 (97%)
 Interview, face-to-face215 (27%)72 (19%)0
 Interview, telephone13 (2%)11 (3%)0
  • GCS, Glasgow Coma Scale; GOSE, Extended Glasgow Outcome Scale; TBI, traumatic brain injury.