A16812 Hypertension is Common and is Associated with Clustering of Cardiovascular Risk Factors Among Adults in Botswana

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Abstract

Objectives:

To determine the of prevalence hypertension and presence of any co-morbid cardio metabolic diagnoses among adults in Botswana

Methods:

We conducted a community based cross sectional survey of adults > 18 years old during the May Measurement Month 2017 campaign. Participants were recruited from community locations across two cities and three villages in Botswana. Participants assessment included (1) self-reported prior hypertension diagnosis, treatment and any other diagnosis of cardiometabolic disease or cardiometabolic risk factors (2) Triplicate supine resting blood pressure measurements. Hypertension was defined as current use of antihypertensive medication or mean systolic blood pressure ≥ 140 mmHg and/or mean diastolic blood pressure ≥ 90 mmHg. Crude prevalence rates were computed and logistic regression analysis conducted to identify independent predictors of hypertension

Results:

Among the 3587 participants screened, 1012 (27.8%) met our definition of hypertension with only 213 (21%) of those on antihypertensive medications. Men were more likely to have hypertension (M 30.7% vs F 25.7%, p < 0.01) and less likely to be on antihypertensive medication (M 7.8% vs F11.8%, p < 0.01). Among all participants, hypertension was associated w self-reported history of diabetes mellitus (p < 0.01), previous heart attack (p < 0.01) & previous stroke (p = 0.05). Overweight (p < 0.01), tobacco use (p = 0.01) and alcohol consumption (p = 0.05) were strongly associated with hypertension

Conclusion:

Hypertension is common among adults in a community setting in Botswana. Only a small proportion of participants with a hypertension were taking medications, consequently hypertension diagnosis was associated with major cardiovascular complications. Community hypertension management and other NCDs risk factor control needs strengthening

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