期刊
SPATIAL AND SPATIO-TEMPORAL EPIDEMIOLOGY
卷 34, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.sste.2020.100360
关键词
Bayesian statistics; Conditional autoregressive model; III-balanced data; Moran's I test; Random effect model
In this paper, we compare a variety of spatio-temporal conditional autoregressive models to a dengue fever dataset in Colombia, and incorporate an innovative data transformation method in the data analysis. In order to gain a better understanding on the effects of different niche variables in the epidemiological process, we explore Poisson-lognormal and binomial models with different Bayesian spatio-temporal modeling methods in this paper. Our results show that the selected model can well capture the variations of the data. The population density, elevation, daytime and night land surface temperatures are among the contributory variables to identify potential dengue outbreak regions; precipitation and vegetation variables are not significant in the selected spatio-temporal mixed effects model. The generated dengue fever probability maps from the model show a geographic distribution of risk that apparently coincides with the elevation gradient. The results in the paper provide the most benefits for future work in dengue studies. (C) 2020 Elsevier Ltd. All rights reserved.
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