Table 2.

TBI characteristics by traumatic brain injury.

Variables	Yes, for TBI (n = 384)	TBI 1 (n = 182)	TBI 2 (n = 81)	TBI 3 (n = 42)
	N (%)	N (%)	N (%)	N (%)
Time length of loss of consciousness
Only a brief moment	243 (63%)	112 (62%)	53 (65%)	31 (74%)
More than 10 min	47 (12%)	24 (13%)	10 (12%)	2 (4.8%)
More than 30 min	32 (8.3%)	16 (8.8%)	4 (4.9%)	3 (7.1%)
More than 24 h	22 (5.7%)	12 (6.6%)	4 (4.9%)	2 (4.8%)
Do not Know	35 (9.1%)	16 (8.8%)	7 (8.6%)	4 (9.5%)
Missing	5 (1.3%)	2 (1.1%)	3 (3.7%)	0 (0.0%)
Recency of last TBI
Within past week	1 (0.3%)	0 (0.0%)	1 (1.2%)	0 (0.0%)
Within past month	4 (1.0%)	3 (1.6%)	0 (0.0%)	0 (0.0%)
Within past 6 months	12 (3.1%)	6 (3.3%)	2 (2.5%)	2 (4.8%)
Less than 2 years	34 (8.9%)	20 (11%)	6 (7.4%)	1 (2.4%)
Less than 5 years	64 (17%)	32 (18%)	10 (12%)	9 (21%)
Less than 10 years	85 (22%)	41 (23%)	19 (23%)	10(24%)
Over 10 years ago	182 (47%)	80 (44%)	41 (51%)	20(48%)
Missing	2 (0.5%)	0 (0.0%)	2 (2.5%)	0 (0.0%)
Severity of head injury
Skull fracture	44 (11%)	23 (13%)	10 (12%)	3 (7.1%)
Closed head injury with intracranial bleeding	18 (4.7%)	10 (5.5%)	2 (2.5%)	2 (4.8%)
Surgical intervention	9 (2.3%)	5 (2.7%)	2 (2.5%)	1 (2.4%)
Missing	313 (82%)	144 (79%)	67 (83%)	36 (86%)
Symptom following head injury
Weakness in any part of body	77 (20%)	41 (23%)	15 (19%)	3 (7.1%)
Poor concentration	35 (9.1%)	16 (8.8%)	8 (9.9%)	4 (9.5%)
Memory loss	22 (5.7%)	8 (4.4%)	5 (6.2%)	4 (9.5%)
Problem finding the right words when speaking	8 (2.1%)	5 (2.7%)	0 (0.0%)	2 (4.8%)
Problem with coordination or balance	6 (1.6%)	2 (1.1%)	3 (3.7%)	0 (0.0%)
Personality change	3 (0.8%)	3 (1.6%)	0 (0.0%)	0 (0.0%)
Anxiety or depression	10 (2.6%)	3 (1.6%)	3 (3.7%)	1 (2.4%)
Others	3 (0.8%)	1 (0.5%)	1 (1.2%)	0 (0.0%)
Missing	220 (57%)	103 (57%)	46 (57%)	28 (67%)

All statistical procedures were computed on R4.3.3. Statistical tests are two-sided.