Linear Mixed Model Results for Primary and Secondary Outcomes
Brain Injury, Anxiety
DISORDER, SECONDARY, POST CONCUSSION SYMPTOMS
EQ-5D-5L indicates EuroQol 5-dimension 5-level; GAD-7, Generalized Anxiety Disorder 7-item scale; PART-O, Participation and Recombined Tools–Objective social participation subscale; PCRS, Patient Competency Rating Scale; PHQ-9, Patient Health Questionnaire 9-item scale; QOLIBRI, Quality of Life After Brain Injury; and RPQ, Rivermead Post Concussion Symptoms Questionnaire.Within-group results indicated different trajectories in the groups. For the intervention group, statistically significant improvements were seen in all secondary outcomes (eg, target outcomes mean severity score at 12 months: −0.77; 95% CI, −1.01 to −0.53; 