Frequencies for first 10,000 rows of injdetr2 variable in nhamcsed2013 dataset :

         Is visit related to any of the |
                 following? - recode #2 |      Freq.     Percent        Cum.
----------------------------------------+-----------------------------------
                                  Blank |         98        0.98        0.98
         Unintentional injury/poisoning |      2,101       21.01       21.99
           Intentional injury/poisoning |        174        1.74       23.73
Injury/poisoning of undetermined intent |        376        3.76       27.49
    Adverse effect of medical treatment |        195        1.95       29.44
Visit is not related to injury/poisonin |      7,056       70.56      100.00
----------------------------------------+-----------------------------------
                                  Total |     10,000      100.00

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