Background and Aims: Metabolic syndrome (MetS) is a common complex risk of cardiovascular disease. In Thailand health care context, a term “abdominal obesity” has been used interchangeably “MetS”. Hypertension and overweight are 2 among 5 components of MetS. Obese hypertensions are seemly recognized their risk, in contrast, non-obese has less awareness their risk. In fact, abdominal obesity is not MetS, and MetS can be found in both obese and non-obese person. However, none of the previous studied address CVD risk awareness in non-obes hypertension. Thus, we explored whether non-obese hypertension (BMI < 23.0 kg/m2) with MetS and non-MetS had differences in CVD risk awareness. Methods: We analyzed data from 571 non-obese hypertensions treated at 11 primary care units. MetS was defined according to NCEP-ATP III criteria. Weight circumference (WC) was defined based on WHO-APR criteria. A-4 item questionnaires was used to assess patient’s risk awareness. They were asked “how would you say about your risk for developing stroke?” (DM, CKD, and CHD). Respondence method was 4-rating scales from very low risk, to very high risk. A total score was calculated to determine overall CVD risk awareness. Score on each item was classified into less and high awareness by using median values. Mann-Whitney test, Chi-square, and odds ratio were used to compare risk awareness. Results: MetS was diagnosed in 54.5% of patients. MetS were more likely had high awareness of stroke (p=0.077), and overall CVD (p=0.074). Both groups had not differences in awareness of DM, CKD, and CHD. Rates of high risk awareness were in stroke 30%, CKD 28%, DM 27%, CHD 27%, and overall CVD 40%. Risk awareness levels in MetS and non-MetS were not differences, for CHD (OR 1.29, 95%CI 0.71-2.37), stroke (OR 1.42, 95%CI 0.79-2.56), CKD (OR 1.28, 95%CI 0.71-2.32), DM (OR 1.17, 95%CI 0.65-2.10), and overall CVD (OR 1.33, 95%CI 0.78-2.27). Conclusions: Non-obese hypertension with MetS had less awareness on risk for CVD. Unawareness of CVD risk may a leading cause of inappropriate treatment, poor self- care, and adverse outcomes.
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