Week 4 highlights

Question 1

Case-Control Studies: Confounder adjustment: Define matching

Answer 1

process of making the cases and controls similar (or balanced) with regard to this confounding factor so that there will be enough information in the analysis to adequately control for the factor

Question 2

Common biases can be classified into three nonmutually exclusive types, which are what?

Answer 2

1) confounding 2) selection bias and 3) information bias

Question 3

For a factor to be a confounder, it needs to be what 3 things?

Answer 3

1) associated with the exposure 2) a risk factor for the outcome in the unexposed group in the base population and 3) not in the same causal pathway whereby the exposure affects the outcome

Question 4

Cross-sectional studies: a _____% response rate is considered a good benchmark in determining adequate survey response

Answer 4

60%

Question 5

Time-Series Analysis: What model should you use?

Answer 5

Linear regression