Stata The Stata listserver
[Date Prev][Date Next][Thread Prev][Thread Next][Date index][Thread index]

st: RE: crude odds ratio (crude?)


From   "FEIVESON, ALAN H. (AL) (JSC-SD) (NASA)" <alan.h.feiveson1@jsc.nasa.gov>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: crude odds ratio (crude?)
Date   Wed, 9 Oct 2002 08:07:41 -0500

This is a guess - but the term "crude" odds ratio might mean the odds ratio
estimated solely from the values of y (without regard to the x's).

 i.e. "crude"odds =  (no. of y's = 1)/(no. of y's = 0)

Al Feiveson


-----Original Message-----
From: Jocelyne Séguin [mailto:jocelyne@dsuper.net]
Sent: Wednesday, October 09, 2002 7:11 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: crude odds ratio (crude?)


I have to perform logistic regressions.
For references, I use:
Stata (manual and software)
Applied Logistic Regression (Hosmer & Lemeshow)

I'm reading some articles where logistic regressions are used:  crude
odds
ratio are reported.  Here, crude seems to be a technical word.  Crude
odds
ratio is not in the index of Applied Logistic Regression.  From Stata, a
net
search with crude as a key word (crude, crude odds ratio) produced not
matches.

Suppose that y , x1, x2, x3, x4, x5 are variables coded 0-1.
Here, y is the dependent variable,
and x1, ..., x5 are the independent variables.
I have two questions.

When crude odds ratio of x1 are reported,
does it come from the syntax
logistic y x1 ?

When odds ratio of x1 adjusted for x2, x3 and x4, are reported
does it come from the syntax
logistic y x1 x2 x3 x4 ?

Thank you.




*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/
*
*   For searches and help try:
*   http://www.stata.com/support/faqs/res/findit.html
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index