st: how to treat such variable when running logistic model

["liu nizi" <liunizibnu@hotmail.com>]

Dear all
  I want to build a logistic model to study the reason of some family 
plunging in poverty.
I encounter some variables that represents characters (such as education 
)of the second most contributing person to family income. The problem is 
there are some family which have only one member can earn money. How can I 
treat such variable?
Thanks
                 sarah

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