Date:         Fri, 30 Sep 2005 16:13:30 -0500
Reply-To:     "Peck, Jon" <peck@spss.com>
Sender:       "SPSSX(r) Discussion" <SPSSX-L@LISTSERV.UGA.EDU>
From:         "Peck, Jon" <peck@spss.com>
Subject:      Re: stratified poisson regression
Comments: To: Jon C COLLINS <Jon.C.Collins@state.or.us>
Content-Type: text/plain; charset="us-ascii"

A general Poisson regression facility for SPSS is available using the SPSS Programmability add-on as one of the sample modules on the new Code Center website.  This only works with SPSS 14.

Regards,
Jon Peck

-----Original Message-----
From: SPSSX(r) Discussion [mailto:SPSSX-L@LISTSERV.UGA.EDU] On Behalf Of Jon C COLLINS
Sent: Friday, September 30, 2005 2:40 PM
To: SPSSX-L@LISTSERV.UGA.EDU
Subject: [SPSSX-L] stratified poisson regression

I have three cohorts of subjects whose hospital admissions (the
dependent variable) are totalled up each of three different years. I'm
interested in the interaction between time and cohort--the hypothesis
presumes that it will be different from zero. In addition to the cohort
and time variables I have several controlling variables to throw into
the mix.

I was told that I should run a stratified poisson regression. Does
anyone know some syntax that would help me accomplish this analysis?



Jon C. Collins, PhD
Manager Program Analysis & Evaluation Unit
Office of Mental Health and Addiction Services
500 Summer St. NE E86
Salem, Oregon 97301-1118
vox: 503 945-6429
fax:  503 378-8467