Background
depression, multimorbidity, dementia
DIABETES MELLITUS, DISEASES
Enhancements in, for example, living conditions, nutrition, and medical treatments have led to increased life expectancy and, thus, to an aging population in Western societies. In Germany, the number of people aged 67 years and above increased by 54% between 1990 and 2018 – a trend that continues to rise [Since multimorbidity is also associated with greater health care utilization [However, most interventions have been developed and tested primarily with the focus on single diseases, such as depression, diabetes mellitus, and dementia [In addition, literature reveals that information on the specific components of such care interventions is scarce, and limited knowledge about beneficial elements of complex care approaches for older multimorbid people exists [Given the literature described above, the development and evaluation of new approaches addressing the multiple needs and the resulting involvement of several health care providers in multimorbid older people is of great importance. In accordance with some of the aforementioned care elements and based on the “Ariadne principles” for patient-centered management of multimorbidity in primary care settings [