Summary

  1. Learning objectives

  2. 1. Overview of epidemiological studies

    1. 1.1 What is the purpose of an epidemiological study ?

    2. 1.2 Principles and scope of epidemiology

  3. 2.Classification of epidemiological studies

    1. 2.1 Descriptive epidemiology

    2. 2.2 Etiological epidemiology

    3. 2.3 Investigative epidemiology

    4. 2.4 Flow chart of different types of studies

    5. 2.5 Flow chart of epidemiological studies according to the investigator’s approach

  4. 3.Types of epidemiological studies

    1. 3.1 Descriptive studies

    2. 3.2 Analytic studies

  5. 4.Conclusion