It’s Absolutely Relative: The Effect of Age on the BMI–Mortality Relationship in Postmenopausal Women

Objective The use of relative and absolute effect estimates has important implications for the interpretation of study findings. Likewise, examining additive and multiplicative interaction can lead to differing conclusions about the joint effects of two exposure variables. The aim of this paper is to examine the relationship between BMI and mortality on the relative and absolute scales and investigate interaction between BMI and age. Methods...