“…The co-occurrence of depression and PTSD among Canadian military members and veterans is high (ranging from 41-62%) (Richardson et al, 2017 ; Zamorski et al, 2016 ), the implications of which may extend beyond the independent impact of either disorder. Indeed, relative to those with depression or PTSD alone, the presence of both disorders has been linked with more severe psychiatric symptoms, greater suicidal ideation, and increased likelihood of undesirable treatment outcomes (Blanchard, Buckley, Hickling, & Taylor, 1998 ; Campbell et al, 2007 ; Kramer, Booth, Han, & Williams, 2003 , Steiner, Boulos, & Mirocha et al, 2017 ). Further, compared to those with only depression, those with comorbid PTSD have exhibited significantly worse QOL (Campbell et al, 2007 ; Steiner et al, 2017 ).…”