Study setting and participants
Using publicly available registers, home care services were identified in the catchment areas of the three regions Lübeck (north-eastern Germany), Oldenburg/ Bremen (north-western Germany) and Halle (Saale)/Leipzig (eastern Germany). A total of 346 home care services were invited to participate between April 2019 and December 2019. They were included if they cared for at least 70 patients and were willing to assign at least two nurse facilitators for training and providing the intervention.To be eligible, patients had to be (i) clients of a participating home care services, (ii) aged 60 years or older, (iii) assigned to a care grade (indicating being care dependent and receiving benefits covered by long-term care insurance