PENGARUH KONSUMSI SUSU TINGGI KALSIUM TERHADAP TEKANAN DARAH LANJUT USIA

Background: Indonesia is one country facing on high number of elderly people. One of health problems in elderly that may occur is increasing the prevalence of hypertension (>30%) which caused by the stiffness of blood vessels. Various research was done to reduce those number, some of them was shown calcium effect on reduced blood pressure. Generally, high calcium milk itself used to prevent osteoporosis, rare people know that calcium can affected blood pressure. Objective : To know the effect of high calcium milk intake as a protective factor for hypertension. Method : This was a analytics observational with cross sectional design to know the effect of high calcium milk intake (as independent variable) in elderly's blood pressure (as dependent variable) done at Social Institution Tresna Wredha Kasongan, Bantu', Yogyakarta and also some district in Bantul, on October 2009 and January 2010 with 82 subject. Inclusion criteria is elderly(>60 y.o) and the exclusion criteria is . All subject had interviewed and examined their blood pressure by the researcher. The data was grouped and analized by Chi-Square. Result : The subject was 82 people with age 60-73 years old(mean=65 y.o), there are 40 man (48,77%) and 42 woman(51,23%). All subject grouped in to high calcium milk intake and no high calcium milk intake. Hypertension was found in 25 case from 41 elderly with high calcium milk intake history and 29 case from 41 elderly without high calcium milk history. With Chi-Square statistical analysis result shows that there is no significantly correlation between high calcium intake and elderly blood pressure which is p value=0,352. Bivariate analysis shows that high calcium intake have a low risk to be hypertension (Prevalence Ratio = 0,75, C1=0,2-1,6) Conclusion : Based on the result above show there is no correlation between high calcium milk intake and elderly blood pressure.
Key words : Elderly, High Calcium Milk Intake, Blood Pressure.