topic Re: sas code for trend analysis for rate (incidence) in SAS Programming

sas code for trend analysis for rate (incidence)

docfermi — Mon, 28 May 2018 01:09:11 GMT

I got yearly rates with sas code below:

proc genmod data=cdi;

class year sex age_group / param=glm;

model cdiff= year sex age_group / type3 dist=poisson link=log offset=log_discharge;

estimate "rate: year=2003" intercept 1 year 1 0 0 0 0 /e

.........;run;

I would appreciate sas codes (or references) for trend analyses. Using Cochran armitage test would be appropriate (I am familiar with this).

pau13rown — Fri, 15 Jun 2018 02:07:26 GMT

the cochran armitage trend test is from proc freq, as follows:

ods output trendtest=trendtest ;
proc freq data=cdi;
tables cdiff*year/ trend measures cl;
run;

lijiaqi — Mon, 11 Jan 2021 06:34:54 GMT

I am doing similar analyses, and have same question. Could you tell me the method if you solved this problem?