SAMPLE-SIZE REQUIREMENTS FOR INTERVAL ESTIMATION OF THE ODDS RATIO

被引：14
作者：
SATTEN, GA [1 ]
KUPPER, LL [1 ]
机构：
[1] UNIV N CAROLINA,SCH PUBL HLTH,DEPT BIOSTAT,CB 7400,CHAPEL HILL,NC 27599
来源：
AMERICAN JOURNAL OF EPIDEMIOLOGY | 1990年 / 131卷 / 01期
关键词：
Epidemiologic methods; Probabillty; Retrospective studies; Statistics;
D O I：
10.1093/oxfordjournals.aje.a115472
中图分类号：
R1 [预防医学、卫生学];
学科分类号：
1004 ; 120402 ;
摘要：
Sample sizes are calculated for unmatched case-control (or cohort) studies where the goal is interval estimation of the odds ratio. The procedure used gives the smallest sample size for which a 100(1-α)% confidence interval for the log odds ratio will not exceed a specified width with specified probability (1-γ). Tables of sample sizes for various choices of parameter values are presented. Considerable disagreement is found with a published method which has as its basis expected cell counts. © 1990 by The Johns Hopkins University School of Hygiene and Public Health.
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收藏
页码：177 / 184
页数：8
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