3.1 Patterns of Disease and Epidemiological Studies

Question 1

What is epidemiology?

Answer 1

the study of incidence, distribution, and possible control of disease. it describes the patterns and causes of disease within population

Question 2

What do valid epidemiological studies contain?

Answer 2

• Large sample size
• Populations selected with unequal exposure to possible causes
• Collect data on other factors that may affect disease e.g age
• Goes over long period of time