ars,         `2-4` = ~years, `3-4` = ~years), deathexact = TRUE, control = list(fnscale = 4000,         maxit = 10000))
## 
## Maximum likelihood estimates
## Baselines are with covariates set to their means
## 
## Transition intensities with hazard ratios for each covariate
##                   Baseline                      years                
## State 1 - State 1 -0.18614 (-0.211964,-0.16346)                      
## State 1 - State 2  0.14427 ( 0.122891, 0.16936) 1.0891 (1.034,1.1467)
## State 1 - Stat