Of 103 diabetic patients, 77.3% were over 50 years old, 58.3% were female, 68% were a low level of education, 74.8% were not working, 84.5% were diagnosed with diabetes for more than 5 years, 53.4% were using insulin therapy for more than 5 years, and only 65% had got formal training on medical sharp products disposal. The gene discussed is INS; the disease is diabetes mellitus.