Table 2. Keywords informing search strings.

Peer Terms
peer recovery coaches peer provider peer support specialist peer support provider peer recovery support specialist peers peer specialists [[PS]] certified peer specialists peer mentors peer mentorship peer-delivered services peer-delivered support peer certification peer workforce peer recovery workforce peer advocacy people with lived experience people with living experience of drug use people with lived and living experience peer worker peer helper peer administration peer in recovery peer-led support groups peer intervention peer engagement peer-delivered support peer coordinator peer in training peer facilitator peer leadership peer certification
Workforce Outcomes
presenteeism absenteeism burnout workload turnover rate retention recruitment job satisfaction secondary trauma vicarious trauma intent to stay/leave role clarity staff sick leave collaborative practice staff mix
Organizational Environments
workforce health labor supply workplace employee personnel volunteer work environment unlicensed personnel staff human resource