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Methods for Modeling Incidence Rates with Application to Pneumonia Among Children in Surat Thani Province, Thailand


Paper Type 
Contributed Paper
Title 
Methods for Modeling Incidence Rates with Application to Pneumonia Among Children in Surat Thani Province, Thailand
Author 
Noodchanath Kongchouy, Chamnein Choonpradub, and Metta Kuning
Email 
nootchanath.k@psu.ac.th, **cchamnein@bunga.pn.psu.ac.th
Abstract:
In statistical studies, generalized linear models (GLMs) are usually preferred for
modeling incidence rates, often with extensions to zero-inflated GLMs when the proportion
of zero counts is large. However Warton has shown that for many ecological studies, simple
linear models fitted to log-transformed counts do surprisingly well. In this study, we used data
comprising a sizable set of pneumonia incidence rates. We compared the negative binomial
GLM with a log transformed linear model, and found further support for this simpler alternative method.
Start & End Page 
29 - 38
Received Date 
2009-07-10
Revised Date 
Accepted Date 
2009-10-29
Full Text 
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Keyword 
log-linear regression model, zero counts, negative binomial GLM, pneumonia incidence rates
Volume 
Vol.37 No.1 (JANUARY 2010)
DOI 
SDGs
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Chiang Mai Journal of Science

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