Study Design — Flashcards

How big is the difference between probability and odds when the value of probability is small (<10%)? _____

Which type of observational study is best for studying rare diseases? _____

If 2% of patients who receive a flu shot develop the flu, while 8% of unvaccinated patients develop the flu, relative risk reduction is _____

Is effect modification a form of bias?_____

What statistical test is used to check differences between the means of THREE or more groups? _____

Prevalence is _____ to incidence for short duration disease (e.g. common cold)

What type of bias is likely to occur in when asking patients with disease versus patients without disease about prior risk factors? _____

_____ is used to model the linear relationship between a dependent variable and an independent variable

What is a source of hepatitis A virus in developing countries?_____

Case-control studies are almost always _____-spective