Table 1 Indicative search terms used in literature search

prison* or convict* or felon* or offender* or inmate* or criminal* or jail* or penitentiar* or gaol* or secure or correctional

Nurs* or care or caring or support* or peer* or buddy* or buddies* or friend* or “cell mate*” or mentor* or be-friend* or befriend* or “lay person*” or volunteer* or voluntar* or insider or listener or “mobility disorder” or mobil* or “independent liv*” or “independent life*” or “activities of daily living” or “daily activities” or “daily life activity” or adl* or eadl* or dressing or feeding or eating or toilet* or bathing or “social*(support* or active* or function* or behav* or adjust* or skill*)” or facilitate* or “self care” or “self manage*” or “personal care” or “personal manage*”

frail elderly or frail* or chronic or disabilit* or disabled* age(“degenerate*disorder”) or dementia* or alzheimer* or cognitive defect or “cognition disorder” or parkinson* or mobility* or deaf* or “hearing los*” or “hearing disorder*” or “hearing impair*” or blind* or glaucoma or “macular degenerat*” or “vis* impair*” or “vis* disorder*” or “vis* reduc*” or “vision difficult*” or hearing, or eye or vision or blind or sight or blindness or comorbid* or co-morbid* or terminal* or palliative* or “right to die” or neoplasm or cancer*