Frequencies for first 10,000 rows of htn variable in namcs2005 dataset :

       does |
patient now |
     have - |
hypertensio |
          n |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      7,772       77.72       77.72
          1 |      2,228       22.28      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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