Interpreting Epidemiological Findings (3)

Question 1

1. Study design

Answer 1

Retrospective case control study

Question 2

What is stratification?

Answer 2

Find a potential confounder
Get sample from target population
Run sample through the study
In the analysis, split them into the different confounding groups

Question 3

key point

Answer 3

Key point
• Interpreting epidemiological studies involves critical appraisal of design, validity
(internal and external), statistical analysis, presence of bias and /or confounding and
limitations. Your conclusions may be different from those of the authors.