Participants
Participants included 110 active duty service members referred to the Wounded, Ill, and Injured (WII) Wellness Program at Naval Medical Center San Diego (NMCSD) between January 2018 and March 2020 (see CONSORT diagram; Fig. CONSORT flowchart of participants. Intervention “completion,” as determined by the NMCSD Surf and Hike Therapy programs, was defined as completing all but two of the available sessions (up to six sessions) for each modality. The programs were halted due to the COVID-19 pandemic; participants in this cohort (