Applying the socio-ecological model to understand community reintegration experiences among individuals on opioid agonist treatment (OAT) released from federal incarceration in Ontario, Canada

•Correctional populations with opioid use disorder (OUD) experience risk for adverse outcomes upon community release.•The socio-ecological model (SEM) is a tool for understanding re-integration experiences among prison populations with OUD.•We applied the SEM to examine community re-integration among former prisonersreceiving opioid agonist treatment (OAT).•Individual, interpersonal, community and organizational/policy level factors influenced re-integration experiences.•An integrated system of care is required to improve community re-integration experiences among this population.