Summary statistics for hlt_d_adlhnm variable in mcbsatc2013 dataset :

    Variable |        Obs        Mean    Std. Dev.       Min        Max
-------------+---------------------------------------------------------
hlt_d_adlhnm |      7,570    1.414927    .7471895          1          4

by Jean Roth , jroth@nber.org , 24 May 2016