Frequencies for first 10,000 rows of urinecx variable in nhamcsed2012 dataset :

      Urine |
    culture |      Freq.     Percent        Cum.
------------+-----------------------------------
         No |      9,264       92.64       92.64
        Yes |        736        7.36      100.00
------------+-----------------------------------
      Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016