“…In contrast, mental health counseling, which refers to interventionists or support personnel providing emotional support and direction to the participants, was most commonly reported in studies that identified a mental illness as one of the MCCs (Coventry et al, 2015; Dunbar et al, 2015; Ell et al, 2017). Self-monitoring included instruction to participants to track/log information such as dietary habits, blood glucose levels, symptoms, and sleeping habits (Druss et al, 2010; Goldberg et al, 2013; McCusker et al, 2012, 2016; Redeker et al, 2015; Zachariades, 2013). Peer support was included in eight of the studies reviewed (Druss et al, 2010, 2018; Goldberg et al, 2013; Lynch, 2014; Muralidharan et al, 2019; Sajatovic, Gunzler et al, 2017; Sajatovic, Ridgel et al, 2017; Sajatovic et al, 2016).…”