Frequencies for first 10,000 rows of ennotese variable in nhamcsed2005 dataset :

  does your |
         ed |
 electronic |
    medical |
     record |
     system |
    include |
     nurses |
     notes? |      Freq.     Percent        Cum.
------------+-----------------------------------
        yes |      3,524       35.24       35.24
         no |      2,204       22.04       57.28
    unknown |        171        1.71       58.99
      blank |      4,101       41.01      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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