There were some factors affecting the inadequate fasting glycaemic control included: Patients over 70 years old with poor glycemic control were 2.98 times higher than patients < 50 years old (95% CI: 1, 45 - 6.13; p < 0.01); patients with increased waist circumference (OR = 6.10; 3.63 - 10.24); patients did not receive advice on diet, exercise (OR = 16.7; 95% CI: 9.22 - 30.40), disease severity and complications (OR = 26.30; 95% CI: 10.97 - 37.39); patients did not adhere to the diet (OR = 2.41; 95% CI: 1.48 - 3.94), did not adhere to physical activity (OR = 1.83; 95% CI: 1.07 - 3.14), non-adherence to medication (OR = 5.35; 95% CI: 3.21 - 8.90); have complications of diabetes (OR = 3.71; 95% CI: 2.17 - 6.34).