Frequencies for first 10,000 rows of ncmed8 variable in nhamcsopd2005 dataset :

      was medication 8 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                          new |         64        0.64        0.64
                    continued |        340        3.40        4.04
               not applicable |      9,587       95.87       99.91
                        blank |          9        0.09      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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