Frequencies for first 10,000 rows of paytyper variable in nhamcsed2012 dataset :

  Recoded primary expected source |
   of payment for visit (based on |
                       hierarchy) |      Freq.     Percent        Cum.
----------------------------------+-----------------------------------
All sources for payment are blank |        139        1.39        1.39
                          Unknown |        625        6.25        7.64
                Private insurance |      2,893       28.93       36.57
                         Medicare |      1,895       18.95       55.52
                 Medicaid or CHIP |      3,000       30.00       85.52
            Worker's compensation |         96        0.96       86.48
                         Self-pay |      1,077       10.77       97.25
                No charge/charity |         30        0.30       97.55
                            Other |        245        2.45      100.00
----------------------------------+-----------------------------------
                            Total |     10,000      100.00

by Jean Roth , jroth@nber.org , 7 Nov 2016