Frequencies for first 10,000 rows of ncmed6 variable in nhamcsopd2008 dataset :

      was medication 6 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         57        0.57        0.57
               not applicable |      8,396       83.96       84.53
                          new |        237        2.37       86.90
                    continued |      1,310       13.10      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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