Results
Among 120 participants included in the intention-to-treat analysis, the median (IQR) age was 47.5 (31.0-55.8) years, and the median (IQR) time since injury was 4 (3-6) years; 85 participants (70.8%) were male and 35 (29.2%) were female. A total of 60 participants were randomized to the intervention group (median [IQR] age, 45.5 [29.5-54.0] years; 44 men [73.1%]) and 60 to the control group (median [IQR] age, 49.0 [33.0-60.5] years; 41 men [68.3%]). Overall, 4 participants withdrew from the study or could not be reached at 12 months. The study flowchart is shown in 