Frequencies for first 10,000 rows of med variable in nhamcsed2008 dataset :

 were medications |
    prescribed or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      1,897       18.97       18.97
              yes |      7,837       78.37       97.34
entire item blank |        266        2.66      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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