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Questions and Answers

Which of the following best describes epidemiology?

The study of treatment effects in clinical trials

The study of risk factors for disease

The study of health and disease in a defined population (correct)

The study of basic research in the biological sciences

What is the role of epidemiologists in public health?

Designing and conducting clinical trials

Performing statistical analysis of data

Providing preventive healthcare

Identifying risk factors for disease (correct)

Which area of study in epidemiology focuses on disease transmission?

Forensic epidemiology

Screening

Disease causation

Environmental epidemiology (correct)

What is the main purpose of disease surveillance in epidemiology?

To investigate disease outbreaks Signup and view all the answers

In which field has epidemiology helped develop methodology?

Public health studies Signup and view all the answers

Which of the following best defines incidence in epidemiology?

The number of new cases of a medical condition during a specified period of time Signup and view all the answers

What is another term for incidence proportion in epidemiology?

Cumulative incidence Signup and view all the answers

How is incidence proportion calculated?

By dividing the number of new cases during a given period by the number of subjects at risk in the population initially at risk Signup and view all the answers

What is the incidence proportion called when the period of time considered is an entire lifetime?

Lifetime risk Signup and view all the answers

If a population contains 1,000 persons and 28 develop a condition from the time the disease first occurred until two years later, what is the cumulative incidence proportion?

0.028% Signup and view all the answers