Over the past few months more healthcare articles have featured a new (at least for me) statistical methodology: mediation analysis. It doesn’t prove causality, but it can assign a value to the impact ...

Causal mediation analysis comprises a set of statistical techniques designed to disentangle the pathways through which an exposure or treatment exerts its effect on an outcome. By partitioning the ...

(A) Represents mediation model 1: subjective cognitive complaints as the dependent variable (Y), the average MD as the independent variable (X), and the average cortical thickness as the mediator (M); ...

One of my favorite expressions tells us, "It doesn't have to be bad to be stressful." Think wedding, communion, bar mitzvah or any other event commemorating something special. Ultimately, the "big day ...