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Statistical Measures - Module IV

Much of this module was adapted from the Centers for Disease Control and Prevention (CDC) “Principles of Epidemiology, Second Edition, An Introduction to Applied Epidemiology and Biostatistics”

Introduction

Objectives: Students who complete this module will be able to:

  • Define the most common statistical frequency measures used in infectious disease epidemiology
  • Construct a frequency distribution
  • Calculate and interpret the following statistical measures:
    • Ratios
    • Proportions
    • Incidence rates, including attack and secondary attack rates
    • Prevalence
    • Mortality rates
    • Relative risk and odds ratio
  • Choose and apply the appropriate statistical measures