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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
immunology and microbiology
Bayesian spatial analysis and disease mapping: Tools to enhance planning and implementation of a schistosomiasis control programme in Tanzania
Tropical Medicine and International Health, Volume 11, No. 4, Year 2006
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Description
OBJECTIVE: To predict the spatial distributions of Schistosoma haematobium and S. mansoni infections to assist planning the implementation of mass distribution of praziquantel as part of an on-going national control programme in Tanzania. METHODS: Bayesian geostatistical models were developed using parasitological data from 143 schools. RESULTS: In the S. haematobium models, although land surface temperature and rainfall were significant predictors of prevalence, they became non-significant when spatial correlation was taken into account. In the S. mansoni models, distance to water bodies and annual minimum temperature were significant predictors, even when adjusting for spatial correlation. Spatial correlation occurred over greater distances for S. haematobium than for S. mansoni. Uncertainties in predictions were examined to identify areas requiring further data collection before programme implementation. CONCLUSION: Bayesian geostatistical analysis is a powerful and statistically robust tool for identifying high prevalence areas in a heterogeneous and imperfectly known environment. © 2006 Blackwell Publishing Ltd.
Authors & Co-Authors
Clements, Archie C.A.
Unknown Affiliation
Lwambo, Nicholas J.S.
Unknown Affiliation
Blair, Lynsey
Unknown Affiliation
Nyandindi, Ursuline S.
Unknown Affiliation
Kaatano, Godfrey M.
Unknown Affiliation
Kinung'Hi, Safari Methusela
Unknown Affiliation
Webster, Joanne P.
Unknown Affiliation
Fenwick, Alan
Unknown Affiliation
Brooker, Simon J.
Unknown Affiliation
Statistics
Citations: 233
Authors: 9
Affiliations: 5
Identifiers
Doi:
10.1111/j.1365-3156.2006.01594.x
ISSN:
13602276
e-ISSN:
13653156
Research Areas
Environmental
Infectious Diseases
Study Design
Cross Sectional Study
Grounded Theory
Study Locations
Tanzania