Frequencies for first 10,000 rows of paymcare variable in nhamcsed2009 dataset :

   expected |
  source of |
   payment: |
   medicare |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,294       82.94       82.94
          1 |      1,706       17.06      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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