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

 were medications |
    prescribed or |
        provided? |      Freq.     Percent        Cum.
------------------+-----------------------------------
               no |      1,991       19.91       19.91
              yes |      7,766       77.66       97.57
entire item blank |        243        2.43      100.00
------------------+-----------------------------------
            Total |     10,000      100.00

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