2 × 2 Tables: a Note on Campbell's Recommendation

Overview

Journal Stat Med

Publisher Wiley

Specialty Public Health

Date 2015 Nov 19

PMID 26576745

Citations 9

Authors

F M T A Busing

B Weaver

S Dubois

Affiliations

Soon will be listed here.

Abstract

For 2 × 2 tables, Egon Pearson's N - 1 chi-squared statistic is theoretically more sound than Karl Pearson's chi-squared statistic, and provides more accurate p values. Moreover, Egon Pearson's N - 1 chi-squared statistic is equal to the Mantel-Haenszel chi-squared statistic for a single 2 × 2 table, and as such, is often available in statistical software packages like SPSS, SAS, Stata, or R, which facilitates compliance with Ian Campbell's recommendations.

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