聚类在流行病学分层分析中的应用

张吉凯; 胡毅玲; 胡巢凤; 罗耀星; 林伟生; 吴赤蓬

Abstract

张吉凯,胡毅玲,胡巢凤,罗耀星,林伟生,吴赤蓬.聚类在流行病学分层分析中的应用[J].Chinese journal of Epidemiology,2003,24(7):615-616

聚类在流行病学分层分析中的应用

Cluster analysis applied in the epidemiological stratification analysis

Received:October 21, 2002

DOI：

KeyWord: 聚类分析分层分析流行病学

English Key Word: Cluster analysiso Stratification analysiso Epidemiology

FundProject:

Author Name	Affiliation
Zhang Jikai	Center for Disease Control and Prevention of Guangdong Province, Guangzhou 510300, China
Hu Yiling	Center for Disease Control and Prevention of Guangdong Province, Guangzhou 510300, China
Hu Chaofeng	Center for Disease Control and Prevention of Guangdong Province, Guangzhou 510300, China
Luo Yaoxing	暨南大学医学院流行病学教研室
Lin Weisheng	暨南大学医学院病理生理教研室
Wu Chipeng	暨南大学医学院公共卫生教研室 510300 广州

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Abstract:

目的　建立一种方法,解决当混杂因素分层界限不清或存在矛盾时,如何进行流行病学分层分析的问题.方法　采用SPSS10.0软件,以广东省1997～1998年糖尿病流行病学调查资料为实例,进行聚类分层分析.结果　聚类分层分析提高了分层分析效率,有效地控制了混杂偏倚,避免了错分偏倚的产生.结论　聚类分析可以作为一种辅助分层的方法,合理解决当混杂因素分层界限不清或存在矛盾时,如何进行分层分析的问题.

English Abstract:

Objective To establish a new method on stratification analysis when the stratification limits of confounding factors was not cl-ear or contradictory.Method Data on a study of diabetes mellitus in Guangdong province collected in the year of 1997 and 1998 was an-alyzed using cluster-stratification analysis.Results The efficiency of stratification analysis was improved and the onfounding bias was effectively controlled with information bias avoided when the clusters-stratification analysis was applied.Conclusion The problem was logically solved using cluster analysis as an assistant stratification means.

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