Case Controlled Studies

Question 1

What is a case control study

Answer 1

When you collect 2 groups; a case group and a control group and look to see if they exposed or unexposed

Question 2

What are the advantages of case controlled studies

Answer 2

• quicker
• cheaper
• dont need detailed information only participants recall or record

Question 3

What are the issues of case control studies

Answer 3

• selection bias
• information bias
• confounding

Question 4

What is information bias

Answer 4

Random inaccurate measurement or a systematic misclassification (e.g. Recall bias)

Question 5

True or false - case control studies are good for rare exposures

Answer 5

False

Question 6

What can case controlled studies by analysed with

Answer 6

Odds ratio