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st: How to calculate mortality ratios

From   Ana Gabriela Guerrero Serdan <[email protected]>
To   stata listserve <[email protected]>
Subject   st: How to calculate mortality ratios
Date   Sun, 2 Dec 2007 05:25:41 -0800 (PST)

Dear Stata Users, 

I have two related questions: 

1) Im trying to calcuate mortality ratios for
different sub-populations using survey data. 

Is it very naive from my side to use the following

svyset AI06 [pw= expweigh], strata( AI05) 
svy: ratio death, over (Province) 

I also get similar results with prop. 

2)  I dont get any SE because I have strata with one
sampling unit. I see that Stata suggests (as also some
books) to delete or collapse the strata with one
sampling unit. Do you know what are the implications
for this? Would I need to collapse the strata
according to region? 


Gaby Guerrero Serdan 

Deparment of Economics
Royal Holloway, University of London
Egham, Surrey
England, UK

Tel: +44 7912657259

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