• Methods:Adopt the method of stratified cluster sampling, women were investigated through questionnaire in family.

    方法采用分层抽样方法,对育龄妇女进行入户调查。

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  • Also the results showed that the Stratified Random ClusterSampling is an adequate sampling method for the genetic variation analysis of yellow cattle population.

    同时研究表明,系统随机整群抽样进行黄牛群体遗传变异分析抽样方法

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  • Methods: Using stratified sampling method to determine the survey places, The schistosomiasis in people and livestock were surveyed by the methods of nylon bag incubation and top - tube incubation.

    方法分层随机抽样确定调查点。 用尼龙袋集卵孵化法、孵化法分别对人畜进行查病,用系统抽样结合环境抽样开展螺情调查。

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  • Stratified sampling method was applied to investigate immunization status of ecdemic children and its affecting factors in Baoshan District.

    方法采用分层抽样方法本区外来流动儿童免疫接种现状及其影响因素进行流行病学调查

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  • The influencing factors of feat technique in hygiene were investigated in Sichuan with the method of the stratified sampling and the categorical data analysis.

    采用分层抽样方法分类资料统计方法,开展四川省农村卫生适宜技术推广影响因素调查研究。

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  • Methods Serum uric acid (SUA) was measured among 7778 inhabitants aged over 20 years old in 2 communities in Nanjing with the method of stratified cluster sampling.

    方法采用分层群抽样的方法,对南京市社区7778名20以上居民进行了尿酸普查。

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  • METHOD:63 medical institutes nurses have been investigated by Stratified cluster sampling RESULTS. nurses of medical institutes are scarce and their qualities are low.

    方法采用分层群抽样方法调查63家医疗机构护理人员

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  • PARTICIPANTS: Totally 528 students, aged 17 to 20 years old, were recruited from grade one of year 2003 in Southwest University of Science and Technology with stratified sampling method.

    对象:调查对象来源于群分层方法抽取2003西南科技大学就读的一年级学生528名,年龄1720

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  • Methods The survey of prevalence of dental caries in group aged 12 and 15 years in Anhui province was conducted using the non-proportional, stratified, cluster sampling method.

    方法安徽省县市1215儿童龋病发病情况进行抽样调查采用分层、不等比、多阶段整抽样的方法。

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  • Methods 3 460 children aged 3 to 6 were enrolled into this study by using a stratified cluster sampling method in Wuhan. Parents of the children were surveyed with a questionnaire.

    方法采用分层整群抽样方法抽取武汉市3 460名3~6儿童作为研究对象,应用自行设计儿童睡眠状况问卷对儿童家长进行调查

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  • Methods: By using questionnaires with multistage stratified random cluster sampling method, 726 valid questionnaires of 800 were backed from the university students in 4 universities in Dalian city.

    对象方法:研究对象采取分层整群随机抽样方法大连市4所高校大一、大四年级学生发放问卷800份,收回有效问卷726份。

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  • The genetic resources of South Shaanxi white goats are examined with the method of Stratified Random Cluster sampling.

    以系统随机整群抽样陕南山羊进行遗传资源抽样检测。

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  • Method A total of 4 882 undergraduates from 6 universities in Shanxi province was investigated with multistage stratified random cluster sampling.

    方法采用多阶段分层随机整群抽样方法调查山西省普通高校、二、三年级本专科大学生4 882名。

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  • Methods in 1999, a cross-sectional study was carried out in a natural population of Beijing, using stratified-random sampling method.

    方法1999年北京市自然人群中采用分层随机抽样方法进行横断面调查

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  • Methods According with the methods of the forth epidemiologic sampling survey for tuberculosis in our country, the method of stratified cluster random sampling was use in this survey.

    方法根据全国第四次结核病流行病学抽样调查方案,采用分层整群随机抽样方法抽取调查点,然后根据调查结果进行分析。

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  • Methods Under stratified sampling, the investigation of the oral health concept and behavior were carried out using closed type questionnaire method.

    方法采取分层抽样方法,分别口腔健康观念行为情况进行问卷调查、填写记录。

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  • The paper introduces multiple imputation (mi) for missing data in stratified random sampling, and discusses the ordinary method of mi with ignorable nonresponse, and illustrates the essential steps.

    介绍分层随机抽样条件下多重补法处理缺失数据基本思想,分析可忽略无回答分层随机抽样建立多重插补的常用方法通过实例加以说明

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  • Methods504 pilots were selected with the method of stratified cluster sampling , and were valuated by coping style scale, state-trait anxiety scale , Symptom checklist-90( SCL-90).

    方法整群抽样抽取飞行员504名,进行应对方式量表状态-特质焦虑量表、症状自评量表(SCL-90)测试。

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  • Methods A survey on prevalence of FD in communities of Shijiu Neighborhood, Rizhao was conducted by using a stratified, randomized cluster-sampling method.

    方法采用随机分层整群抽样方法对日照市石臼街道常住人群进行面访式问卷调查。

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  • Methods With the method of cluster stratified random sampling, a questionnaire survey was conducted in medical and non-medical higher-educated school in Jilin city.

    方法采用群分层随机抽样方法,对吉林市某医学院校医学高校的在校大学生进行问卷调查

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  • Methods By using stratified random sampling method 524 college students were selected and surveyed with scales about sense of alienation and subjective well-being.

    方法分层随机抽取某高校524名大学生,采用疏离感主观幸福感量表进行施测。

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  • Methods: the breakfast structure and the nutrition knowledge of 3 547 students in rural boarding middle school in Chongqing were investigated by adopting stratified two-stage cluster sampling method.

    方法采用分层二阶段整群抽样方法,对重庆市3 547名中学生早餐饮食结构营养知识进行调查。

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  • Method A multi-stage stratified cluster sampling survey on health condition of 14486 residents was taken in 2007.

    方法采用多阶段分层抽样方法,对2007年居民家庭健康状况入户调查,共调查14 486人。

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  • Method A multi-stage stratified cluster sampling survey on health condition of 14486 residents was taken in 2007.

    方法采用多阶段分层抽样方法,对2007年居民家庭健康状况入户调查,共调查14 486人。

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