Frequencies for first 10,000 rows of eprolste variable in nhamcsed2007 dataset :

  if yes, does |
  this include |
       patient |
problem lists? |      Freq.     Percent        Cum.
---------------+-----------------------------------
         blank |        229        2.29        2.29
       unknown |        286        2.86        5.15
not applicable |        982        9.82       14.97
           yes |      5,848       58.48       73.45
            no |      2,655       26.55      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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