version 9
capture log close
set more off
log using ehb2.log, replace

use rrdat1, clear

gen org = 0                  /*origin state*/
gen des = tfin ~= ti         /*destination state*/
gen tf  = tfin - tstart + 1  /*ending time*/

stset tf, f(des=1)   /*define single episode data*/

stdes   /*describe survival-time data*/
stsum   /*summarize survival-time data*/

stci, by(org des) emean /*calculate the mean survival time*/

log close