Frequencies for first 10,000 rows of eprolste variable in nhamcsed2008 dataset :

  if yes, does |
  this include |
       patient |
problem lists? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        169        1.69        1.69
       unknown |        510        5.10        6.79
not applicable |        247        2.47        9.26
           yes |      5,364       53.64       62.90
            no |      3,710       37.10      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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