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Re: st: Query for OR calculation

From   "Sebastian F. Büchte" <>
Subject   Re: st: Query for OR calculation
Date   Fri, 20 Apr 2007 18:22:49 +0200


I am not sure whether I understand you request correctly. But, if you
are looking for some way of documented data entry, the simplest
approach I can think of is to use the -input- command. You should
create a dofile and this dofile should then contain the -input-
command. This could look like the following.

input patid home_visit clinical_care
1  0 1
2  1 1
3  0 0
59 1 1

tab home_visit clinical_care

But, if you just want to create a quick and dirty database that
reflects your data situation. You could do the following:

set obs 59
gen home_visit = _n <= 41
bys home_visit: gen clinical_care = home_visit == 1 & _n<=33 | ///
                                   home_visit == 0 & _n<=8

tab home_visit clinical_care


On 4/20/07, Todd Swarthout <> wrote:
Hello. I have what I assume to be a relatively simple question...

For an HIV programme in Benin we had 59 persons lost to follow-up.
We were able to do home visits for 41 persons, after which 33 returned to clinical care.
Of those 18 we were not able to visit, only 8 returned to clinical care.

What is the most efficient way to create a mini database to define the odds ratio...the odds of returning for clinical care after a home visit as compared to those not visited. I could simply go into the Data Editor of a blank database and enter the numbers...but Id like to type in the data.

Visited 41      (33 reintegrated)
Not Visited     18      (8 reintegrated)
Total   59

Thank you for this service


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