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Childhood malaria in the Gambia: a case-study in model-based geostatistics.

Rowlingson, Barry and Diggle, Peter and Moyeed, Rana and Thomson, Madeleine (2002) Childhood malaria in the Gambia: a case-study in model-based geostatistics. Journal of the Royal Statistical Society: Series C (Applied Statistics), 51 (4). pp. 493-506. ISSN 0035-9254

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The paper develops a spatial generalized linear mixed model to describe the variation in the prevalence of malaria among a sample of village resident children in the Gambia. The response from each child is a binary indicator of the presence of malarial parasites in a blood sample. The model includes terms for the effects of child level covariates (age and bed net use), village level covariates (inclusion or exclusion from the primary health care system and greenness of surrounding vegetation as derived from satellite information) and separate components for residual spatial and non-spatial extrabinomial variation. The results confirm and quantify the progressive increase in prevalence with age, and the protective effects of bed nets. They also show that the extrabinomial variation is spatially structured, suggesting an environmental effect rather than variation in familial susceptibility. Neither inclusion in the primary health care system nor the greenness of the surrounding vegetation appeared to affect the prevalence of malaria. The method of inference was Bayesian using vague priors and a Markov chain Monte Carlo implementation.

Item Type: Journal Article
Journal or Publication Title: Journal of the Royal Statistical Society: Series C (Applied Statistics)
Additional Information: RAE_import_type : Journal article RAE_uoa_type : Statistics and Operational Research
Uncontrolled Keywords: /dk/atira/pure/researchoutput/libraryofcongress/qa
Subjects: ?? QA MATHEMATICS ??
Departments: Faculty of Science and Technology > Mathematics and Statistics
Faculty of Health and Medicine > Medicine
VC's Office
ID Code: 2437
Deposited By: ep_importer
Deposited On: 31 Mar 2008 10:08
Refereed?: Yes
Published?: Published
Last Modified: 26 Mar 2019 02:05
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