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RE: st: different age effect between groups

From   Enzo Coviello <>
Subject   RE: st: different age effect between groups
Date   Tue, 31 Oct 2006 15:53:29 +0100


I would like to thank Svend and Maarten for their very useful advice about how to model the interaction effect between age and invited to screening test.
The Svend's advice is, as usual, exemplarily clear, the Maarten's one is more sophisticated but substantially coincident.

The finding that the screening test increases its effect with age is important even if already documented. I will not miss to note that it exists in the Italian screening data set too.

Thanks again

Enzo Coviello
Dipartimento Prevenzione ASL BAT/1
Ufficio Igiene Pubblica
via Barbera 27 - 70055 MINERVINO MURGE (BA)
tel. fax +39 0883 691053
tel (home) +39 0883 695055
mobile 347 5016016
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