Maths — A Causal Chain (Pipe)
Conditioning on the middle blocks the association.
Make it your own.
title "A causal chain (pipe)"
exposure X "X"
mediator Z "Z"
outcome Y "Y"
X -> Z
Z -> Y
Conditioning on the middle blocks the association.
title "A causal chain (pipe)"
exposure X "X"
mediator Z "Z"
outcome Y "Y"
X -> Z
Z -> Y