time_dependent_coefficient_results

> summary(fit)
Call:
coxph(formula = Surv(time, churn) ~ male + tt(male), data = data, 
    tt = function(x, t, ...) x * t)

  n= 3243, number of events= 1204 

               coef  exp(coef)   se(coef)      z Pr(>|z|)    
male     -0.4667783  0.6270191  0.1019114 -4.580 4.64e-06 ***
tt(male) -0.0008827  0.9991177  0.0001251 -7.053 1.75e-12 ***
---
Signif. codes:  0 ‘***’ 0.001 ‘**’ 0.01 ‘*’ 0.05 ‘.’ 0.1 ‘ ’ 1

         exp(coef) exp(-coef) lower .95 upper .95
male        0.6270      1.595    0.5135    0.7656
tt(male)    0.9991      1.001    0.9989    0.9994

Concordance= 0.603  (se = 0.193 )
Rsquare= 0.107   (max possible= 0.995 )
Likelihood ratio test= 365.6  on 2 df,   p=0
Wald test            = 338.9  on 2 df,   p=0
Score (logrank) test = 398.3  on 2 df,   p=0