### Mediator model

Call:
glm(formula = bili_bin ~ trt, family = binomial(link = "logit"), 
    data = data)

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-1.0383  -1.0383  -0.9943   1.3232   1.3723  

Coefficients:
            Estimate Std. Error z value Pr(>|z|)
(Intercept)  -0.2256     0.4620  -0.488    0.625
trt          -0.1108     0.2914  -0.380    0.704

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 264.30  on 195  degrees of freedom
Residual deviance: 264.15  on 194  degrees of freedom
AIC: 268.15

Number of Fisher Scoring iterations: 4

### Outcome model

Call:
glm(formula = spiders ~ trt + bili_bin, family = poisson(link = "log"), 
    data = data)

Deviance Residuals: 
    Min       1Q   Median       3Q      Max  
-0.9133  -0.9083  -0.5819   0.7637   1.3750  

Coefficients:
            Estimate Std. Error z value    Pr(>|z|)    
(Intercept) -1.75416    0.33415  -5.250 0.000000152 ***
trt         -0.01091    0.18155  -0.060       0.952    
bili_bin     0.89055    0.21228   4.195 0.000027267 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

(Dispersion parameter for poisson family taken to be 1)

    Null deviance: 198.14  on 275  degrees of freedom
Residual deviance: 183.54  on 273  degrees of freedom
AIC: 349.54

Number of Fisher Scoring iterations: 6

### Mediation analysis 
             est         se           Z         p      lower     upper  exp(est) exp(lower) exp(upper)
cde  -0.01309265 0.21786138 -0.06009626 0.9520790 -0.4400931 0.4139078 0.9869927  0.6439765   1.512718
pnde -0.01309265 0.21786138 -0.06009626 0.9520790 -0.4400931 0.4139078 0.9869927  0.6439765   1.512718
tnie -0.02911581 0.07679704 -0.37912670 0.7045938 -0.1796352 0.1214036 0.9713040  0.8355749   1.129081
tnde -0.01309265 0.21786138 -0.06009626 0.9520790 -0.4400931 0.4139078 0.9869927  0.6439765   1.512718
pnie -0.02911581 0.07679704 -0.37912670 0.7045938 -0.1796352 0.1214036 0.9713040  0.8355749   1.129081
te   -0.04220846 0.23079016 -0.18288675 0.8548869 -0.4945489 0.4101319 0.9586699  0.6098460   1.507017
pm    0.68528211 0.03585308 19.11361946 0.0000000  0.6150114 0.7555529        NA         NA         NA

Evaluated at:
avar: trt
 a1 (intervened value of avar) = 2.3
 a0 (reference value of avar)  = 1.1
mvar: bili_bin
 m_cde (intervend value of mvar for cde) = 1.4
cvar: 
 c_cond (covariate vector value) = 

Note that effect estimates do not vary over m_cde and c_cond values when interaction = FALSE.
