Frequencies for first 10,000 rows of stresmgt variable in nhamcsopd2011 dataset :

     Stress |
 management |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,427       94.27       94.27
        Yes |        573        5.73      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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