Amarasekara A.A.T.D1, Fongkaew W2, Chanprasit C3, Wimalasekera S. W.4 Institutions: Department of Medical education and Health sciences1, Department of Physiology4, Faculty of Medical Sciences, University of Sri Jayewardenepura, Nugegoda, Sri Lanka; Nursing Science division2, & Department of Public health nursing3, Faculty of Nursing3, Chiang Mai University, Chiang Mai, Thailand The prevalence of type 2 Diabetes mellitus (T2DM) has increased over the last decade and is expected to continue to increase in Sri Lanka. Most Sri Lankan diabetics are in the working age and debility amongst them adds to the economic burden of the country. Diabetics are advised on appropriate medical therapy, dietary and life style modifications free of charge in health care institutions, but most patients’ compliance to the advice is poor. This study attempts to determine these effects using quantitative data from patients. The objective of the study was to determine the glycemic control and behavioral factors influencing glycemic control among adults with T2DM. A descriptive cross sectional study was done on consenting T2DM patients ( n=50) attending diabetic clinics. Data were obtained by interviewer administered questionnaire and medical records. The data were analysed using SPSS version 16 statistical software. The mean age of the males and females were similar and the gender ratio was 1:1. The fasting blood glucose (FBS) was normal in only 14.3% subjects. The mean FBS was 172.9 ± 62.2 (SD) and 177.7 ±72.9 mg/dL (SD) respectively for females and males ( p > 0.05). There was a significant negative correlation between the BMI and the diet control/exercise pattern among the subjects in this study (Pearsons correlation coefficient – 0.286, p < 0.04). There was a positive association between FBS and BMI (p< 0.05). Diet control behavior ( p > .05), and duration of diabetes (p > 0.05) were not associated with the FBS in this study. HbA1C is not routinely assessed amongst Sri Lankan patients attending free health care facilities in Sri Lanka. 27% patients were engaged in some physical activity. The study reveals that dietary control and regular exercise are aspects poorly addressed by T2DM patients in Sri Lanka. Although glycaemic control is considered a priority most patients were not motivated to actively control their glycaemic levels by dietary control, and regular exercise and compliance to medication.