B7.070 Prework 1: Regression Modeling

Question 1

confounding variation

Answer 1

caused by variables outside the researcher’s control or consideration can distort our perception of the relationship
any alternative explanation for an observed relationship

Question 2

when is confounding a major concern?

Answer 2

observational studies

-results in biased estimation of exposure effects

Question 3

type 1 error

Answer 3

can identify effect when none exists

Question 4

type 2 error

Answer 4

hides a true effect

Question 5

regression models

Answer 5

flexible way of investigating the separate or joint effects of several factors on a disease or outcome
-factors may include exposures and confounders of the exposure-outcome relationship

Question 6

methods for dealing with confounders outside of regression modeling

Answer 6

stratification based methods

propensity scores