### Mediator model

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

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 + trt:bili_bin, family = binomial(link = "logit"), 
    data = data)

Coefficients:
             Estimate Std. Error z value Pr(>|z|)  
(Intercept)  -1.45492    0.71027  -2.048   0.0405 *
trt          -0.08552    0.44824  -0.191   0.8487  
bili_bin      1.07293    0.89928   1.193   0.2328  
trt:bili_bin  0.11084    0.56832   0.195   0.8454  
---
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: 311.83  on 272  degrees of freedom
AIC: 319.83

Number of Fisher Scoring iterations: 4

### Mediation analysis 
              est        se           Z         p       lower      upper
cde   0.083584561 0.6251564  0.13370183 0.8936384  -1.1416995  1.3088687
pnde -0.007697067 0.3372698 -0.02282169 0.9817925  -0.6687337  0.6533396
tnie -0.041995693 0.1115443 -0.37649352 0.7065500  -0.2606184  0.1766270
tnde -0.011410778 0.3341852 -0.03414507 0.9727615  -0.6664018  0.6435802
pnie -0.038281981 0.1012869 -0.37795576 0.7054635  -0.2368007  0.1602368
te   -0.049692759 0.3517444 -0.14127520 0.8876525  -0.7390991  0.6397136
pm    0.841835955 5.8783246  0.14321019 0.8861242 -10.6794686 12.3631405
      exp(est) exp(lower) exp(upper)
cde  1.0871771  0.3192759   3.701983
pnde 0.9923325  0.5123569   1.921949
tnie 0.9588739  0.7705749   1.193186
tnde 0.9886541  0.5135531   1.903283
pnie 0.9624415  0.7891485   1.173789
te   0.9515217  0.4775439   1.895938
pm          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 can vary over m_cde and c_cond values when interaction = TRUE.