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st: Secular trends


From   "McFarland, Lynne V" <Lynne.McFarland@va.gov>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Secular trends
Date   Fri, 11 Aug 2006 11:04:57 -0700

Hello, oh wise ones out in the Stata universe!
I need a little help here.
I have a data set with variables below:
cc (binary 0, 1 for infected or control)
beddays (number of occupied beds per ward per month)
ward (ward patient was admitted to)
onset (month of infection onset)
 
My two questions are:
1. Does the incidence density of this disease vary significantly by
month? (is there a seasonal trend?)
2. Does the seasonal incidence density vary significantly BY WARD ? (ie,
are there "hot wards").
 
Can someone help me writing the commands for these two questions? I got
bogged down in the
manuals and am brain fried!!!!
 
Lynne McFarland, PhD
VA Puget Sound Health Care System
Dept of Health Services Research & Development
S-152
Metropolitan Park West
1100 Olive Way, #1400
Seattle WA 98101
Lynne.McFarland@va.gov
(206) 277-1095
fax (206) 764-2935
 
 

 
Lynne McFarland, PhD
VA Puget Sound Health Care System
Dept of Health Services Research & Development
S-152
Metropolitan Park West
1100 Olive Way, #1400
Seattle WA 98101
Lynne.McFarland@va.gov
(206) 277-1095
fax (206) 764-2935
 
 

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