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Introduction to Biostatistics with JMP by Steve Figard

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Chapter 8: Tests on Frequencies: Odds Ratios and Relative Risk

If something has a 50% chance of happening, then 9 times out of 10 it will.

Yogi Berra (1925–2015)

Introduction

Experimental Design and Data Collection

Prospective Design

Retrospective Design

Relative Risk

Definition and Calculation

Interpretation of Relative Risk

Hormone Replacement Therapy: Yea or Nay?

Odds Ratios

Definition and Calculation

Interpretation of the Odds Ratio

Odds versus Probability

Renal Cell Cancer and Smoking

Introduction

In the previous chapter we saw how to detect the presence of a relationship between two variables with count or frequency data. But what if we find such a relationship and want to assess the strength of that association? Is there a metric we ...

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