Behavior Change Communication (BCC) interventions that address diabetes mellitus are designed to promote behaviors that prevent diabetes and complications of diabetes. Behavior change messages emphasize information about the prevention of diabetes, treatment of diabetes, prevention of complications and their treatment. BCC involves diabetes education for the individual patient and also for the family and community.

It is important to have some understanding of the factors that influence behaviour. Behaviour is influenced by three main factors i.e. beliefs, motivation and norms. Factors that influence change in behaviour are knowledge, attitude, and skill, support of family, friends and community, environment inside and outside family, health facilities available. All these help individual, family and community to change their behaviour.