Frequencies for first 10,000 rows of ereminde variable in nhamcsed2006 dataset :

  if yes, does |
    it include |
 reminders for |
interven/scree |
   ning tests? |      Freq.     Percent        Cum.
---------------+-----------------------------------
           yes |      2,298       22.98       22.98
            no |      1,270       12.70       35.68
       unknown |        333        3.33       39.01
not applicable |      5,666       56.66       95.67
         blank |        433        4.33      100.00
---------------+-----------------------------------
         Total |     10,000      100.00

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