### Mediator model

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

Deviance Residuals: 
   Min      1Q  Median      3Q     Max  
-1.177  -1.141  -1.141   1.177   1.214  

Coefficients:
            Estimate Std. Error z value Pr(>|z|)
(Intercept)  0.08577    0.38245   0.224    0.823
trt         -0.08577    0.24091  -0.356    0.722

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 382.49  on 275  degrees of freedom
Residual deviance: 382.36  on 274  degrees of freedom
AIC: 386.36

Number of Fisher Scoring iterations: 3

### 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 0.41390781 0.9869927  0.6439765   1.512718
pnde -0.01309265 0.21786138 -0.06009626 0.9520790 -0.4400931 0.41390781 0.9869927  0.6439765   1.512718
tnie -0.02176021 0.06145733 -0.35407013 0.7232863 -0.1422144 0.09869396 0.9784748  0.8674353   1.103728
tnde -0.01309265 0.21786138 -0.06009626 0.9520790 -0.4400931 0.41390781 0.9869927  0.6439765   1.512718
pnie -0.02176021 0.06145733 -0.35407013 0.7232863 -0.1422144 0.09869396 0.9784748  0.8674353   1.103728
te   -0.03485286 0.22621504 -0.15406959 0.8775549 -0.4782262 0.40852048 0.9657475  0.6198820   1.504590
pm    0.62025196 4.00121652  0.15501584 0.8768088 -7.2219883 8.46249222        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.
