Basic Medical and Sociodemographic Characteristics.No differences were found between the DFU and NFU groups in terms of age, gender, marital status, type of diabetes, fasting blood sugar, amount of insulin, or BMI.Significant differ- ences were found in the distribution of patients according to region, educational level, employment status, income, type of medication, HbA1c level, and duration of diabetes.The study assessed associations between smoking, foot examination factors, microangiopathic com- plications, and foot ulceration.Table 2 depicts the full results.Risk Factors.3.2.3.3.4.