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Measuring Risk in Epidemiology

The one-hour online course introduces key measures of risk, shows how they're calculated, and discusses how to interpret them when you encounter them in reports and news stories.

Quick Facts

Topics: Epidemiology, Infectious Disease & Immunizations

Format: Online course

Time: 1 hour

Cost: Free

NWCPHP trainings are accessed through PH LearnLink. See help.

Description

A study reports that smokers face a relative risk of dying from lung cancer 24 times higher than non-smokers, and a relative risk of only 1.4 times higher for dying of heart disease. How important are these differences? If you have no idea, then the course Measuring Risk in Epidemiology is for you. The course introduces key measures of risk, shows how they're calculated, and discusses how to interpret them when you encounter them in reports and news stories. This is part of a nine-part series on epidemiology.

Learning Objectives

After completing this course, you will be able to:

  • Define risk as it is used in public health practice
  • Identify measures of association as they are used in epidemiology
  • Interpret relative risk and odds ratios, and be familiar with their calculation using 2x2 tables
  • Interpret the following measures of risk differences: attributable risk, population attributable risk, and population attributable risk percent

Intended Audience

Public health professionals who want to increase their familiarity with the basic concepts of epidemiology. It is recommended that people be familiar with material presented in the following modules: What is Epidemiology in Public Health?, Data Interpretation for Public Health Professionals, and Study Types in Epidemiology.

Quick Facts

Topics: Epidemiology, Infectious Disease & Immunizations

Format: Online course

Time: 1 hour

Cost: Free

NWCPHP courses are accessed through PH LearnLink. See help.

Epidemiology Series

What Is Epidemiology in Public Health?

Data Interpretation for Public Health Professionals

Basic Infectious Disease Concepts in Epidemiology

Introduction to Public Health Surveillance

Introduction to Outbreak Investigation

Study Types in Epidemiology

Measuring Risk in Epidemiology

Cause and Effect in Epidemiology

Screening in Public Health Practice

Format

Web-based, Flash presentation. This online course has an audio narration and interactive exercises. This course should take about one hour to complete.

Course Instructor

James L. Gale, MD, MS
Professor Emeritus of Epidemiology
Northwest Center for Public Health Practice 
University of Washington School of Public Health

Technical Requirements

This course requires certain software and browser plugins to be installed. See our Technical Requirements.

Accessibility

This online training course is audio narrated. A print version is available in the Supplemental Material section at the bottom of this page. Please note that the print version does not include interactive exercises, quizzes, or the final assessment. To receive a print version of the quizzes in this course, or if you have any difficulties, please contact nwcphp@u.washington.edu.

Supplemental Material

If you would like to obtain a print copy of the audio narration before beginning the course, download the course transcript below.

Competencies

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