Cohort Study in Epidemiology
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Questions and Answers

What is the primary characteristic of a cohort?

  • A group having a common characteristic (correct)
  • A group with a specific risk factor
  • A group having a similar outcome
  • A group with a specific disease
  • In a cohort study, what is the purpose of dividing the cohort into two groups?

  • To exclude cases of the disease under investigation
  • To compare the outcomes of the disease under investigation
  • To identify the risk factor for the disease
  • To compare the incidence of disease among exposed and non-exposed groups (correct)
  • What is the requirement for a cohort in a cohort study?

  • The cohort should be large and diverse
  • The cohort should have a specific disease
  • The cohort should be stable, cooperative, and accessible to the investigator (correct)
  • The cohort should have a similar outcome
  • What is the conclusion that can be drawn if the incidence of disease is higher in the exposed group?

    <p>The risk factor supports the etiological hypothesis</p> Signup and view all the answers

    What is the first step in a cohort study?

    <p>Exclude cases of the disease under investigation</p> Signup and view all the answers

    What is the primary reason for excluding cases of disease under investigation in a cohort study?

    <p>To establish a baseline for comparing the incidence of disease</p> Signup and view all the answers

    Which of the following is a necessary condition for a cohort study?

    <p>The cohort must be stable, cooperative, and accessible to the investigator</p> Signup and view all the answers

    What is the primary advantage of a cohort study over other observational study designs?

    <p>It allows for the measurement of incidence rates</p> Signup and view all the answers

    What is the primary role of the control group in a cohort study?

    <p>To provide a basis for comparison with the exposed group</p> Signup and view all the answers

    What is the significance of a higher incidence of disease in the exposed group compared to the non-exposed group?

    <p>It supports the etiological hypothesis</p> Signup and view all the answers

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