alexa Prevalence, awareness, treatment and control of hypertension in Malaysia: a national study of 16,440 subjects.


Journal of Nursing & Care

Author(s): Rampal L, Rampal S, Azhar MZ, Rahman AR

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Abstract STUDY DESIGN: A cross-sectional study was conducted in all states of Malaysia to determine the prevalence, awareness, treatment and control of hypertension. A stratified two-stage cluster sampling design with proportional allocation was used. METHODS: Trained nurses obtained two blood pressure measurements from each subject. Hypertension was defined as mean systolic blood pressure >140 mmHg, diastolic blood pressure >90 mmHg, or a self-reported diagnosis of hypertension and taking antihypertensive medication. All data were analysed using Stata 9.2 software and took the complex survey design into account. A two-sided P-value of <0.05 was considered to be statistically significant. RESULTS: The overall prevalence of hypertension for subjects aged 15 years was 27.8\% (95\% confidence interval (CI) 26.9-28.8). The prevalence of hypertension was significantly higher in males (29.6\%, 95\% CI 28.3-31.0) compared with females (26.0\%, 95\% CI 25.0-27.1). Multivariate logistic regression showed that the odds of having hypertension increased with increasing age, in males, in subjects with a family history of hypertension, with increasing body mass index, in non-smokers and with decreasing levels of education. Only 34.6\% of the subjects with hypertension were aware of their hypertensive status, and 32.4 were taking antihypertensive medication. Amongst the latter group, only 26.8\% had their blood pressure under control. The prevalence of hypertension amongst those aged 30 years has increased from 32.9\% in 1996 to 40.5\% in 2004. CONCLUSION: In Malaysia, the prevalence of hypertension is high, but levels of awareness, treatment and control are low. There is an urgent need for a comprehensive integrated population-based intervention programme to ameliorate the growing problem of hypertension in Malaysians. This article was published in Public Health and referenced in Journal of Nursing & Care

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