### Mediator model

Call:
lm(formula = bili ~ trt, data = data)

Residuals:
    Min      1Q  Median      3Q     Max 
-3.4000 -2.5000 -1.7000  0.4434 24.3000 

Coefficients:
            Estimate Std. Error t value Pr(>|t|)  
(Intercept)   2.2132     0.8784   2.520   0.0123 *
trt           0.7434     0.5532   1.344   0.1801  
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

Residual standard error: 4.594 on 274 degrees of freedom
Multiple R-squared:  0.006548,	Adjusted R-squared:  0.002923 
F-statistic: 1.806 on 1 and 274 DF,  p-value: 0.1801

### Outcome model

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

Coefficients:
            Estimate Std. Error z value Pr(>|z|)    
(Intercept)  -1.1071     0.4392  -2.521   0.0117 *  
trt          -0.1440     0.2760  -0.522   0.6018    
bili          0.1189     0.0305   3.898  9.7e-05 ***
---
Signif. codes:  0 '***' 0.001 '**' 0.01 '*' 0.05 '.' 0.1 ' ' 1

(Dispersion parameter for binomial family taken to be 1)

    Null deviance: 332.32  on 275  degrees of freedom
Residual deviance: 314.69  on 273  degrees of freedom
AIC: 320.69

Number of Fisher Scoring iterations: 4

### Mediation analysis 
             est         se          Z         p        lower      upper
cde  -0.17283628 0.33125281 -0.5217655 0.6018336  -0.82207986  0.4764073
pnde -0.17283628 0.33125281 -0.5217655 0.6018336  -0.82207986  0.4764073
tnie  0.10604361 0.08346534  1.2705108 0.2039028  -0.05754545  0.2696327
tnde -0.17283628 0.33125281 -0.5217655 0.6018336  -0.82207986  0.4764073
pnie  0.10604361 0.08346534  1.2705108 0.2039028  -0.05754545  0.2696327
te   -0.06679267 0.33947229 -0.1967544 0.8440197  -0.73214614  0.5985608
pm   -1.45662418 7.96345805 -0.1829135 0.8548659 -17.06471515 14.1514668
      exp(est) exp(lower) exp(upper)
cde  0.8412753  0.4395166   1.610279
pnde 0.8412753  0.4395166   1.610279
tnie 1.1118704  0.9440790   1.309483
tnde 0.8412753  0.4395166   1.610279
pnie 1.1118704  0.9440790   1.309483
te   0.9353891  0.4808759   1.819498
pm          NA         NA         NA

Evaluated at:
avar: trt
 a1 (intervened value of avar) = 2.3
 a0 (reference value of avar)  = 1.1
mvar: bili
 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.