Frequencies for first 10,000 rows of injr1 variable in nhamcsed2011 dataset :

  Recode of |
     INJURY |
      using |
   modified |
        OAE |
 definition |
       with |
first-liste |
  d reason, |
    cause o |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      7,117       71.17       71.17
        Yes |      2,883       28.83      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 28 Mar 2016