摘要
目的应用聚类分析方法对居民膳食模式进行分类。方法资料来源于江苏省2002年居民膳食调查中3938名研究对象连续3日24小时膳食回顾调查数据,选取14类食物并对其消费量进行标准化,利用SAS软件中的fastclus过程对所研究对象进行聚类分析。结果江苏省居民膳食模式主要为3类:Ⅰ中国传统膳食模式,Ⅱ西方膳食模式,Ⅲ均衡膳食模式。各类食物消费量经多变量方差分析有统计学意义(F=521.34,P<0.0001)。结论聚类分析可以作为膳食模式研究的一种方法。
Objective Using clustering analysis to classify the dietary patterns of residents.Methods Analysis of dietary survey data in 2002 of 3938 permanent residents selected from Jiangsu Province was performed by a fast clustering program（fastclus） in SAS 9.1 to explore the clusters of dietary patterns.Results Three dietary patterns were identified as： ⅠTraditional mode,Ⅱ Western mode and Ⅲ Balanced diets mode.The food consumption of different dietary patterns analyzed by multivariate analysis was statistically significant（F=521.34,P0.0001）.Conclusion Clustering analysis can be used as a kind of method for the study of dietary patterns.
出处
《卫生研究》
CAS
CSCD
北大核心
2011年第6期771-772,775,共3页
Journal of Hygiene Research
基金
"十一五"国家科技支撑计划重大项目(No.2006BAK02A01)
关键词
聚类分析
膳食模式
clustering analysis
dietary patterns
