Abstract
Objective: To study the prevalence, awareness, treatment and control of arterial hypertension in the elderly population in Belgium.
Study group: An age- and sex-stratified sample of 2212 Belgian subjects aged 65 years or more, selected from the original cohort of the Belgian Interuniversity Research on Nutrition and Health (BIRNH) study; participation in this follow-up study was 72.6%.
Methods: Blood pressure (BP) was measured at home by trained technicians using a standard protocol. Isolated systolic hypertension (ISH) was defined as a systolic BP ⩾160 mm Hg and a diastolic BP <95 mm hg. diastolic hypertension was defined as a diastolic bp ⩾95 mm hg. the total hypertensive population was defined as all those with ish, diastolic hypertension and with bps <160–95 mm hg but currently taking anti-hypertensive drugs. awareness and treatment status were investigated through a structured interview.
Results: The prevalence of arterial hypertension was 43.9%, higher in women than in men and increasing with age in women; elevated BP was found in 22.3 to 28.6% of the participants varying by age and sex. In the >75-year-old subjects this elevation was in two-thirds of the cases due to ISH; 84% of all female hypertensives were aware of the condition compared to 68% in men. Treatment advice had been given in a majority of the aware subjects and two-thirds of all treated persons was under control. Among a variety of independent variables and besides the gender difference, awareness was only related to smoking and to depression while control differed by region of residence.
Conclusion: Arterial hypertension is highly prevalent in this elderly population; awareness and BP control are within acceptable ranges but there is still room for improvement, particularly in elderly men.
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De Backer, G., Myny, K., De Henauw, S. et al. Prevalence, awareness, treatment and control of arterial hypertension in an elderly population in Belgium. J Hum Hypertens 12, 701–706 (1998). https://doi.org/10.1038/sj.jhh.1000695
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DOI: https://doi.org/10.1038/sj.jhh.1000695
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