Developing a peer-based healthy lifestyle program for people with serious mental illness in supportive housing.

Overweight and obesity disproportionally impact people with serious mental illness (SMI). Healthy lifestyle interventions can improve the health of people with SMI but may need to be adapted for this population. The aims of this study were: to (1) examine the feasibility and acceptability of delivering the Peer-based Group Lifestyle Balance (PGLB) intervention and (2) describe intervention adaptations for people with SMI in supportive housing. Peer specialists and social workers co-facilitated 12 weekly PGLB sessions for 14 supportive housing clients. We conducted structured interviews and collected qualitative data through field notes and two focus groups. Frequencies and measures of central tendencies were used to describe participant characteristics and PGLB feasibility and acceptability measures. Qualitative data was analyzed using directed content analysis. Participants on average attended 8 of 12 sessions, and reported that services were satisfactory and helpful. Intervention adaptations, ongoing throughout the study, focused on adding peer-specialists as co-facilitators, increasing individualized support and developing strategies to address socioeconomic barriers impacting participants' ability to engage in healthy lifestyle changes. Study findings suggest that participants with SMI in supportive housing perceived PGLB as feasible and acceptable. Expanding the relevance and reach of peer-based healthy lifestyle interventions in community settings serving people with SMI requires careful adaptations to the socioeconomic realities of this population and the complexities of living with co-morbid health and mental health conditions.