In the third 45-minute installment of the five-part series, Basic Concepts in Data Analysis for Community Health Assessment, we continue instruction on how to analyze and interpret data for public health purposes, begun in the preceding course.

Learning Objectives

  • List six measures commonly used in public health
  • Describe the difference between uses of incidence and prevalence rates
  • Explain different ways to measure statistically significant difference
  • Describe how to deal with the problems of unstable rates and small numbers

Intended Audience

Public health professionals who want to increase their familiarity with the basic concepts of epidemiology

Basic Concepts in Data Analysis Series

Part 1: Overview of Public Health Data

Part 2: Analysis and Interpretation of Public Health Data 1

Part 3: Analysis and Interpretation of Public Health Data 2

Part 4: Presenting Public Health Data

Part 5: Data Available to Public Health Professionals


These online courses have audio narration and interactive exercises. The courses take between 30 and 60 minutes.


The five modules in this series were developed by Washington State Department of Health in partnership with the Northwest Center for Public Health Practice. Funding was provided by a CDC grant for Assessment in Action, grant no. 5U82CD022378-05, to Washington State Department of Health. The contents of this training course are solely the responsibility of the authors and do not necessarily reflect the official view of CDC.

Technical Requirements

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


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, please contact If you have any difficulties in accessing the information given in any of our documents or need further assistance, please contact

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Screenshot from the course, showing the navigation and a content slide.
November 13, 2008
Infectious Disease & Immunizations
Self-Paced Course
45 minutes
Basic Concepts in Data Analysis for Community Health Assessment
Competency Domains: 
Analytical/Assessment Skills