Confidence intervals for a ratio of two independent binomial proportions

被引：20

作者：

Price, Robert M. ^{[1
]}

Bonett, Douglas G. ^{[2
]}

机构：

[1] E Tennessee State Univ, Dept Math, Johnson City, TN 37614 USA

[2] Iowa State Univ, Dept Stat, Ames, IA 50011 USA

来源：

STATISTICS IN MEDICINE | 2008年 / 27卷 / 26期

关键词：

Bayesian interval; binomial distribution; relative risk; sample size;

D O I：

10.1002/sim.3376

中图分类号：

Q [生物科学];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Several large-sample confidence intervals for the ratio of independent binomial proportions are compared in terms of exact coverage probability and width. A non-iterative approximate Bayesian interval is derived and its frequency properties are superior to all of the non-iterative confidence intervals considered. The approximate Bayesian interval, which is very easy to compute, has performance characteristics that are very similar to the computationally intensive score method. Two sample size determination formulas are presented, one for desired absolute precision and the other for desired relative precision. Copyright (C) 2008 John Wiley & Sons, Ltd.

引用

页码：5497 / 5508

页数：12

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