st: Nested case-control

[Agn�s Sommet <a.sommet@free.fr>]

Dear Statalisters,

Is it possible to create a sample with control and case matched on more than
ONE categorical variable? I'm trying to make it with st sttocc, but il seems
not to be possible (I'm working with Stata 6).

Thank you for your help.

Agn�s Sommet
Institut Pasteur
Paris





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