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Introductory data analysis: Analytical epidemiology 

Introductory data analysis: Analytical epidemiology
Chapter:
Introductory data analysis: Analytical epidemiology
Author(s):

Alan J. Silman

, Gary J. Macfarlane

, and Tatiana Macfarlane

DOI:
10.1093/med/9780198814726.003.0017
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date: 21 May 2022

This chapter builds on the previous one on the analysis of descriptive epidemiological studies and illustrates statistical methods appropriate for analysis of analytical epidemiological studies. It mainly focuses on data obtained from case–control and cohort studies, but also considers other study designs presented in Chapter 6. There are also several practical examples to help with the analysis and interpretation of the results of analytical epidemiological studies. In practice, relatively little mathematical calculation is done without computers. In this chapter, however, formulae are presented for the main measures of effect together with worked examples. Indeed, when data are available in tabulated form, as opposed to raw data files, it is frequently an easy task to calculate the important measures ‘by hand’. The formulae presented will permit the reader, for example, to check or further explore data published by others.

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