Think especially about those factors that might affect the outcome, such as:
- age
- sex
- social class
- risk factors for disease or adverse outcomes (like smoking)
- how severe their disease was
Where to look for the information...
This information is usually found in the results section and is often given in a table.
In this particular study look at table 1 and the second paragraph of the results.
Click the "Answer 5" link below to find out what we thought...