Frequencies for first 10,000 rows of eresehro variable in nhamcsopd2011 dataset :

       If yes to viewing lab |
        results, are results |
    incorporated in EMR/EHR? |      Freq.     Percent        Cum.
-----------------------------+-----------------------------------
                       Blank |     10,000      100.00      100.00
-----------------------------+-----------------------------------
                       Total |     10,000      100.00

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