Frequencies for cpd_hcc138 variable in hcccoefn dataset :

    Chronic |
     Kidney |
   Disease, |
   Moderate |
  (Stage 3) |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |          1      100.00      100.00
------------+-----------------------------------
      Total |          1      100.00

by Jean Roth , jroth@nber.org , 7 Feb 2019