DHSS Home State Home Ask Us Disclaimer   
  Module IV
dot Home
dot Objectives
dot Using Statistical Measures
dot Frequency Distributions
 - Ratios
 - Proportions
 - Rates
dot  - Incidence Rates
 - Rate Ratios
 - Prevalence Rates
dot  - Crude Rate
 - Cause-Specific Rate
 - Other Specific Rates
dot  - Relative Risk
 - Odds Ratio
dot Outbreak Exercises
dot Quiz
dot Outline

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”


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