Background: Diabetes self-management education (DSME) is generally considered to be a key determinant of the treatment outcomes and related costs of diabetes mellitus. While DSME programmes generally have positive outcomes, their effects may depend on certain factors, such as the type of programmes provided and patients' level of health literacy…

Objective: With the help of the "OPTIMAHL 60plus" counselling aid, it is intended to improve the nutritional and physical activity behaviour, the maintenance and enhancement of the quality of life, and the autonomy of people above 60 years of age. Due to their complexity, currently available didactical counselling aids are not considered…