PROC CAUSALMED Help! Negative % mediated meaning?

[tka726]

Hello - I am using proc causalmed to determine if a certain labvalue mediates the relationship between group membership and death.

PROC CAUSALMED DATA = sub;

  CLASS grp(descending) deathicu/descending ;

  MODEL death = grp labval;

  MEDIATOR labval  = grp;

run;

death is coded as (0/1)

grp is coded as (0/1)

labval is continuous

These are the results. I am not sure how to interpret them - specifically the negative percentage mediated. 

I am new to the causalmed procedure and appreciate any help!

Thanks!

[PaigeMiller · Accepted solution]

Negative means that the variable weakens the relationship you are modelling.

[tka726]

Thank you.

So in this case, does it mean that the group effect on death is reduced by approximately 24% due to the mediation of labvalue?