经济收入对成人膳食结构和营养摄入影响的动态研究

Dynamic Study on Influence of Income Level on Dietary Pattern and Nutrition Intake of Adult

目的 :动态研究经济收入对成人膳食结构和营养摄入的影响。方法 :1 997年对湖南省长沙市和沅陵县成人的经济收入水平、膳食结构和营养摄入进行调查并与 1 991年的调查结果对比分析。结果 :随着经济收入的提高 ,两地居民谷类食物摄入量下降 ,动物性食物摄入量上升 ;蛋白质、脂肪等营养素均随经济收入水平的提高而摄入增加 (P<0 .0 5 ) ;在高、中收入人群碳水化合物热能比低于 6 0 % ,脂肪热能比超过 30 %。结论 :城乡居民膳食结构随着经济增长而处于转型过程中 ,存在地区之间食物构成的不平衡性和营养摄入不平衡现象 。

Objective:To study the influence of income level on dietary pattern and nutrition intake of adult.Methods:The survey of income level,dietary pattern and nutrition intake of adults of Changsha city and Yuanling county of Hunan Province was carried in 1997.The results were compared to the first survey in 1991.Results:With the income increasing,the energy and protein supplied from cereals decreased and the protein and fat supplied from animal foods increased.The intake of protein and fat increased from 1991 to 1997.The fat energy reached more than 30% of the total in high and middle-income class.Conclusions:The nutrition transition is taking place in urban and rural households with the economic rapidly development,and results in nutrition imbalance.The effective measures should be considered and carried out.