• Author: Nicholas O. Otis
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Comorbidity of depression and posttraumatic stress disorder: Outcomes from a randomized controlled trial of surf and hike therapies among service members

Abstract: Objective: Major depressive disorder (MDD) and posttraumatic stress disorder (PTSD) are commonly comorbid mental health disorders. Exercise performed in the natural …

Dropout in a clinical trial for comorbid PTSD and MDD among US service members: Are pretreatment characteristics predictive?

Abstract: OBJECTIVE: Despite effective treatment options for posttraumatic stress disorder (PTSD), many patients do not complete therapy. This includes U.S. active duty service …

PTSD, depression, and treatment outcomes: A latent profile analysis among active duty personnel in a residential PTSD program

Abstract: Depression frequently co-occurs with posttraumatic stress disorder (PTSD), including among active duty service members. However, symptom heterogeneity of this comorbidity …

Gender differences in psychological outcomes following surf versus hike therapy among U.S. service members

Abstract: BACKGROUND: Surf and hike therapies have demonstrated effectiveness as adjunct interventions for service members with major depressive disorder (MDD). This study explores …

A randomized controlled trial of surf and hike therapy for U.S. active duty service members with major depressive disorder

Abstract: Background: Major depressive disorder (MDD) is the most prevalent mental health disorder worldwide, including among U.S. service members. In addition to evidence-based …