Interpreting the OR depends on whether the IV associated with the OR is
dichotomous, character, or continuous.
In September, I did a presentation before the NY area SAS users group
on logiistic regression with dichotomous outcomes. If you'd like, I can
forward this to you.
Peter L. Flom, PhD
Assistant Director, Statistics and Data Analysis Core
Center for Drug Use and HIV Research
National Development and Research Institutes
71 W. 23rd St
New York, NY 10010
(212) 845-4485 (voice)
(917) 438-0894 (fax)
>>> Bob Abelson <Bob_Abelson@HGSI.COM> 11/23/2004 11:19:01 AM >>>
I am not a statistician, but I was told to run some logistic
The estimates of the intercept and slopes are pretty straightforward,
what do the odds ratio estimates mean? The SAS Online Doc (v. 8) only
this: "The odds ratio for each slope parameter, estimated by
exponentiating the corresponding parameter estimate, is shown in the
Ratios Estimates" table, along with 95% Wald confidence intervals."
does each odds ratio mean? Does it explain each parameter's
to the overall odds ratio?
240 314 4400 x1374
"Coffee falls into the stomach ... ideas begin to move, things
arrive at full gallop ... the shafts of wit start up like
similies arise, the paper is covered with ink ..."
-- Honore de Balzac