Fig. 1.

Incidence of health conditions for patients with mild traumatic brain injury—harmful drinking (a AUDIT ≥ 8), depression (a BDI-II ≥ 14), PTSD (a PCL-C ≥ 33), PCS (b RPQ ≥ 3), disability (b GOSE < 8)—at each time point. PCS post-concussion syndrome, PTSD post-traumatic stress disorder, AUDIT Alcohol Use Disorders Identification Test, BDI Beck Depression Inventory, PCL-C PTSD Checklist-Civilian Version, RPQ Rivermead Post-Concussion Symptoms Questionnaire, GOSE Glasgow Outcome Score Extended