Frequencies for first 10,000 rows of whocomp variable in nhamcsed2011 dataset :

Who completed the Patient Record Forms? |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
Census Field Rep - Abstract after rep p |      6,239       62.39       62.39
Census Field Rep - Abstract during rep  |        205        2.05       64.44
                         Hospital staff |      2,552       25.52       89.96
            Multiple categories checked |      1,004       10.04      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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