Frequencies for first 10,000 rows of retrned variable in nhamcsed2014 dataset :

  Return to |
         ED |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,351       93.51       93.51
        Yes |        649        6.49      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 11 Apr 2017