1
Q
What are the main issues with case-control studies?
A
Selection bias, information bias, confounding, Ineffective for rare diseases and it’s difficult to be sure exposure precedes the disease
2
Q
How do you conduct a case-control study?
A
Recruit a group of cases, recruit a group of controls, exposure status is then determined
3
Q
What are case-control studies used for?
A
Rare exposures, preliminary investigations (cheap & quick)
4
Q
How can confounders be removed from case-control studies?
A
Matching up similar cases & controls
