Frequencies for first 10,000 rows of ncmed8 variable in nhamcsopd2007 dataset :

      was medication 8 new or |
                   continued? |      Freq.     Percent        Cum.
------------------------------+-----------------------------------
                        blank |         39        0.39        0.39
               not applicable |      9,156       91.56       91.95
                          new |         58        0.58       92.53
                    continued |        747        7.47      100.00
------------------------------+-----------------------------------
                        Total |     10,000      100.00

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