Mediation analysis effects

Are you wondering how to extract estimates of the following estimands from linear models underlying mediation analyses…?

  • total average causal effect (ACE) / average treatment effect (ATE)
  • average direct effect (ADE)
  • average causal mediation effect (ACME)
  • proportion mediated effect

You might be interested in this example I put together, using {mediation} in R, showing the arithmetic!