| Summary: | 碩士 === 中國醫藥大學 === 醫務管理學研究所碩士班 === 96 === Purpose: Some researches showed there are close relationship between osteoporosis and cardiovascular disease. Only a few researches studied about this topic in Taiwan. The purpose of this study is to understand the prevalence and risk factors of the low bone mineral density. The relationship between bone mineral density and cardiovascular disease will also be evaluated.Method: Using stratified sampling method, this study examines 512 residents older than 50 years in Pu Li township through a questionnaire, biochemical blood test, and QUS examination. We do descriptive analysis, t-test, chi-square test, multiple regression analysis, and logistic regression analysis to find out the risk factor for osteoporosis and the relationship between cardiovascular disease and osteoporosis.Results: The prevalence of lower bone mineral density (T-score<-1) in the male residents is 48.97% and 52.41% in the post-menopause women, but only 7.14% in the pre-menopause women. In logistic regression analysis, for the male residents, this study finds lower bone mineral density is significantly related to taking calcium tablet regularly, and is inversely related to high blood cholesterol level(P<0.05). For the female residents, menopause, over 70 year old, and previous history of fall accident and fracture significantly have lower bone mineral density(P<0.05). On the contrary, female residents with higher education level, more meat in the meal, and higher cholesterol/ HDL ratio significantly have more normal bone mineral density(P<0.05). There are no statistically significant relationship between lower bone mineral density and cardiovascular disease such as myocardial infarction and stroke(P>0.05). Conclusion: There is no statistically significant relationship between lower bone mineral density and cardiovascular disease such as myocardial infarction and stroke (P>0.05) in this study. The residents with higher blood cholesterol level or higher blood cholesterol/high density cholesterol ratio have better bone mineral density, but these factors are the risk factors for the cardiovascular disease. The finding of this study suggests that we need to find a balance between the prevention of cardiovascular disease and oeteoporosis.Key words: Osteoporosis, QUS, cardiovascular disease, bone mineral density
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