| Number of cases n (%) | Less severe TBI n (%) | More severe TBI n (%) | OR (95% CI) Unadjusted | OR (95% CI) Adjusted for age and gender | OR (95% CI) Adjusted for age, gender, education, cause of injury, subst. use/CAGE |
---|---|---|---|---|---|---|
Substance use | Â | Â | Â | Â | Â | Â |
   No | 43 (49) | 20 (42) | 23 (58) | 1* | 1* | 1* |
   Yes | 45 (51) | 28 (58) | 17 (42) | 0.52 (0.23-1.24) | 0.60 (0.24-1.53) | 0.39 (0.11-1.35) |
 |  |  |  | p = 0.14 | p = 0.28 | p = 0.14 |
CAGE | Â | Â | Â | Â | Â | Â |
   < 2 | 65 (74) | 37 (77) | 28 (70) | 1* | 1* | 1* |
   ≥ 2 | 23 (26) | 11 (23) | 12 (30) | 1.44 (0.56-3.74) | 1.66 (0.60-4.61) | 4.05 (1.05-15.64) |
 |  |  |  | p = 0.45 | p = 0.32 | p = 0.04 |