Frequencies for first 10,000 rows of splint variable in nhamcsed2007 dataset :

  splint or |
       wrap |      Freq.     Percent        Cum.
------------+-----------------------------------
         no |      9,391       93.91       93.91
        yes |        609        6.09      100.00
------------+-----------------------------------
      Total |     10,000      100.00

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