Principles of Cohort Studies (Epidemiology)

Question 1

What is a Cohort Study?

Answer 1

Identifies a cohort (unexposed and exposed), follows the cohort over time to see whether disease develops or not

Question 2

Cohort Studies Pros and Cons

Answer 2

Pros
Gives the incidence which allows you to calculate attributable risk
Can study several diseases and exposures at ones

Can do a Case control study with results

Cons
Time consuming and expensive
Challenging to undertake