Section outline

  • Learning outcome At the end of this topic you will be able :

    • Be able to construct a 2x2 table for summarizing epidemiologic data.
    • Be able to explain how to compare the incidence of disease in two or more groups.
    • Be able to define, calculate, and interpret:
      • relative risk
      • attributable risk (risk difference)
      • attributable risk percent (the attributable proportion)
      • odds ratio
    • Be able to demonstrate the uses of these measures of association.
    • Be able to explain what is meant by a "reference group"

    READINGS

    Hennekens: p30-p53 & p73-p100

    Gordis: p227-p246

    LEARNING TASK:

    Do the assignment on Measures of Association

    Answer all the questions at the end of the chapter on measures of association, Gordis