Frequencies for first 10,000 rows of othbldch variable in nhamcsed2002 dataset :

other blood |
  chemistry |      Freq.     Percent        Cum.
------------+-----------------------------------
          0 |      8,328       83.28       83.28
          1 |      1,672       16.72      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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