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

   If yes to patient history |
and demographic information, |
   does this include a patie |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |     10,000      100.00      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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