Thomas P. Ahern

Do quantitative bias analyses accurately characterize bias due to uncontrolled confounding?

PURPOSE Adjustment for a sufficient set of confounders removes bias. When a confounder is unmeasured, approaches exist to estimate bias. Confounders are often correlated, so analyses that ignore correlations overstate bias. METHODS Using NHANES III, we examined the association between Healthy Eating Index (HEI) and a...