Frequencies for first 10,000 rows of ncmed5 variable in nhamcsopd2010 dataset :

      was medication 5 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         62        0.62        0.62
               not applicable |      7,736       77.36       77.98
                          new |        304        3.04       81.02
                    continued |      1,898       18.98      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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