Aim: To examine the effects of IMB Model-based Diabetes Self-Management Educational (DSME) intervention on three self-management activities: patients' eating habits, physical activity and medications management, in patients who attend an outpatients diabetes clinics at Jordan University Hospital and Prince Hamzeh Hospital in Jordan. The hypothesis to be tested is that the IMB educational program will improve participants' behavioural outcomes in self-care at 6 months compared with control participants.