Stratified Probabilistic Bias Analysis for Body Mass Index–related Exposure Misclassification in Postmenopausal Women

Background: There is widespread concern about the use of body mass index (BMI) to define obesity status in postmenopausal women because it may not accurately represent an individual’s true obesity status. The objective of the present study is to examine and adjust for exposure misclassification bias from using an indirect measure of obesity (BMI) compared with a direct measure of obesity (percent body fat). Methods: We used data from...