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目的通过对中国部分地区中老年人群骨密度测量及对其饮食习惯的调查,寻找骨密度BMD)与饮食习惯的相关关系。方法问卷随机抽样调查我国四大行政区部分省市2690例中老年人(排除继发性骨质疏松症患者)的饮食习惯并测量其股骨Ward’s三角骨密度,按照性别分层,采用直线相关与回归分析方法,寻找BMD与各种饮食的相关关系。结果各种饮食对BMD的作用大小依次为城市男性食用米饭、豆类制品、动物油、肉类、蔬菜、牛奶、早饭,其中吃米饭、肉类、动物油与BMD呈负相关;农村男性食用米饭、植物油、肉类、牛奶,其中食用米饭、植物油、肉类与BMD呈负相关;城市女性为食用水果、蔬菜,农村女性为食用动物油、土豆类;不同省市饮食习惯与骨密度亦存在不同程度相关。结论男性与女性、城市与农村、不同地区之间饮食习惯不同,影响BMD的饮食不尽相同;长期食用蔬菜、水果、豆制品、喝牛奶可增加中老年人群的BMD;大量食用米饭及肉类则可能降低男性的BMD,食用动、植物油对中老年人群BMD的影响有待研究。
Objective To investigate the relationship between BMD and dietary habits by measuring the bone mineral density (BMD) and its dietary habits in middle-aged and elderly people in some areas of China. Method Questionnaire A random sample of 2690 middle-aged and elderly people (excluding secondary osteoporosis patients) in some provinces and municipalities of China’s four major administrative regions was surveyed and their Ward’s triangular bone mineral density was measured. Stratified by sex and stratified by linear correlation and regression Analytical methods to find the relationship between BMD and various diets. Results The effect of various diets on BMD was followed by urban males with rice, beans, animal oil, meat, vegetables, milk and breakfast, with rice, meat and animal oil being negatively correlated with BMD. In rural areas, Vegetable oil, meat and milk, of which rice, vegetable oil and meat are negatively correlated with BMD; urban women are edible fruits, vegetables and rural women are edible animal oils and potatoes; dietary habits and bone mineral density also vary in different provinces and cities Related. Conclusions Dietary influences on BMD are different between men and women, urban and rural areas, and different regions. The diet of BMD is different from that of men and women. Long-term consumption of vegetables, fruits, soy products and milk can increase the BMD of middle-aged and elderly people. It may reduce the male’s BMD, eating animal and vegetable oils on BMD in the elderly population needs to be studied.