Context: The investigation of the situation of bereaved family caregivers following caregiving during the end-of-life phase of illness has not received enough attention. Objectives: This study investigated the extent to which using the Carer Support Needs Assessment Tool (CSNAT) intervention during the caregiving period has affected bereaved family caregivers' perceptions of adequacy of support, their grief and well-being, and achievement of their preferred place of death. Method: All family caregivers who participated in a stepped-wedge cl