中华放射医学与防护杂志

查永如,邹剑明,林钻轩,等.阳江高本底地区放射流行病学调查中混淆因素及对照人群可比性研究[J].中华放射医学与防护杂志,1997,17(6):395-398.Zha Yongru,Zou Jianming,Lin Zuanxuan,et al.Confounding factors in radiation epidemiology and their comparability between high background radiation areas and control areas in Yangjiang, China[J].Chin J Radiol Med Prot,1997,17(6):395-398

阳江高本底地区放射流行病学调查中混淆因素及对照人群可比性研究

Confounding factors in radiation epidemiology and their comparability between high background radiation areas and control areas in Yangjiang, China

投稿时间：1997-06-03 修订日期：1997-07-16

DOI：

中文关键词: 高本底辐射流行病学调查混淆因素

英文关键词:High background radiation Epidemiological survey Confounding factors

基金项目:

作者	单位
查永如	510310 广州, 广东省职业病防治院
邹剑明	510310 广州, 广东省职业病防治院
林钻轩	510310 广州, 广东省职业病防治院
何伟辉	510310 广州, 广东省职业病防治院
林锦明	510310 广州, 广东省职业病防治院
杨宇华	510310 广州, 广东省职业病防治院
加藤宽夫	日本广岛放射影响研究所

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中文摘要:

目的探讨阳江高本底辐射地区放射流行病学调查中混淆因素及4个剂量群组可比性。方法人口学资料用专项登记收集,膳食结构与生活习惯用多阶段随机抽样法调查。结果各剂量群组间年龄、性别构成及35岁以上期望寿命基本类同,日常饮食由大量富含纤维的谷类和蔬菜以及较少的肉蛋奶组成,吸烟率男女平均为27.7%～31.3%,饮酒率男女平均为4.0%～6.9%.结论除本底辐射水平外,本次调查各项指标在四个剂量组间具有良好类同性,推测以植物性食物为主的膳食类型可能是调查地区癌症发生率较低的一个有利因素。

英文摘要:

Objective Confounding factors in radiation epidemiology and their comparability among the four different dose-rate groups in high background radiation areas were studied.Methods The demography data were collected by a specific registration method.For the components of diet and life style,the samples were taken by a stratified random sampling method.Results The sex ,age distributions and the life expectancy of the members of a cohort 35 years old and above in the four dose rate groups were similar to each other.The components of diet were constituted mostly of grains and vegetables with less meat,eggs and milk.The percentages of cigarette smokers were 27.7%-31.3% in both male and female subjects and the percentages of alcohol drinkers were 4.0-6.9% in them.Conclusion The results show that there is good comparability between the four dose rate groups except for background radiation level,and it is suggested that the taken food consisting of grains and vegetables may be a beneficial factor leading to low incidence of malignancies in this area.

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