“…Of patients who receive a physician referral to Phase II CR, only 30% to 34% enroll and participate (Mazzini, Stevens, Whalen, Ozonoff, & Balady, 2008;Suaya et al, 2007). There are multiple predictors of poor participation in Phase II CR, including lack of physician referral (CortĂ©s & Arthur, 2006;Gurewich, Prottas, Bhalotra, Suaya, & Shepard, 2008) or perceived low levels of physician endorsement (CortĂ©s & Arthur, 2006;Tsui, Shanmugasegaram, Jamnik, Wu, & Grace, 2012), lower socioeconomic status, limited education, racial/ethnic minority status (Valencia, Savage, & Ades, 2011), travel constraints (McDonall, Botti, Redley, & Wood, 2013;Shanmugasegaram, Oh, Reid, McCumber, & Grace, 2013), a preexisting home-based exercise routine (Shanmugasegaram et al, 2013), advanced age (McDonall et al, 2013), female sex (Beckstead et al, 2014;McDonall et al, 2013), being unpartnered (McDonall et al, 2013, and depression (McGrady, McGinnis, Badenhop, Bentle, & Rajput, 2009).…”