### 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 = poisson(link = "log"), 
    data = data)

Coefficients:
             Estimate Std. Error z value Pr(>|z|)   
(Intercept)  -1.66365    0.58664  -2.836  0.00457 **
trt          -0.07095    0.37184  -0.191  0.84867   
bili_bin      0.76153    0.67005   1.137  0.25574   
trt:bili_bin  0.08577    0.42433   0.202  0.83982   
---
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: 183.51  on 272  degrees of freedom
AIC: 351.51

Number of Fisher Scoring iterations: 6

### Mediation analysis 
             est         se           Z         p      lower     upper
cde   0.05894618 0.38707150  0.15228757 0.8789601 -0.6997000 0.8175924
pnde -0.01964641 0.22465131 -0.08745292 0.9303115 -0.4599549 0.4206621
tnie -0.03124259 0.08305389 -0.37617250 0.7067887 -0.1940252 0.1315400
tnde -0.02286713 0.22979725 -0.09951003 0.9207333 -0.4732615 0.4275272
pnie -0.02802187 0.07411801 -0.37807101 0.7053778 -0.1732905 0.1172468
te   -0.05088900 0.24128901 -0.21090477 0.8329616 -0.5238068 0.4220288
pm    0.60789381 2.80827079  0.21646552 0.8286249 -4.8962158 6.1120034
      exp(est) exp(lower) exp(upper)
cde  1.0607181  0.4967343   2.265040
pnde 0.9805453  0.6313121   1.522970
tnie 0.9692404  0.8236371   1.140584
tnde 0.9773923  0.6229672   1.533461
pnie 0.9723671  0.8408933   1.124397
te   0.9503842  0.5922616   1.525052
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.