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st: Dose-response analysis

From   "Pesola, Francesca" <>
To   "" <>
Subject   st: Dose-response analysis
Date   Mon, 2 Dec 2013 13:40:42 +0000

Dear All, 

I am looking at data from a pilot study which aims to assess whether  patients who receive intervention have lower depression scores at follow-up compared to those in the control condition.  I can use a cut-off value to identify those participants who had improved scores at follow-up from those who did not so that I can create a binary variable which codes 'improvers' vs. 'non-improvers'. What I would like to do next is establish what is the minimum number of sessions that patients need to attend to fall under the 'improver' category (dose-response?). 

Can anyone recommend a Stata command that allows me to do so? 


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