The number of people living with dementia continues to increase, and many of them wish to live at home for as long as possible. Informal caregivers are at the centre of the home-based care arrangements. However, they're usually under a lot of pressure, and it has been proven that this impacts their health negatively. Many studies highlight the importance of providing psychosocial support services to caregivers in dementia care dyads. However, it is widely agreed that current support structures are still not sufficiently tailored to the different needs of informal carers in various dyadic constellations. To improve the effectiveness of support for informal caregivers, it is crucial to better tailor them to specific dyadic constellations in home-based dementia care. The overall aim is the identification of typical dyadic relationship constellations in home-based dementia care settings. A further goal is the analysis of similarities and differences regarding relevant health-care related psychosocial outcomes, ...