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Trachoma among children in community surveys from four African countries and implications of using school surveys for evaluating prevalence

King, Jonathan D. and Odermatt, Peter and Utzinger, Jürg and Ngondi, Jeremiah and Bamani, Sanoussi and Kamissoko, Yaya and Boubicar, Kadri and Hassan, Adamou Sabo and Nwobi, Benjamin C. and Jip, Nimzing and Amnie, Asrat and Teferi, Tesfaye and Mosher, Aryc W. and Stewart, Aisha E. P. and Cromwell, Elizabeth A. and Emerson, Paul M.. (2013) Trachoma among children in community surveys from four African countries and implications of using school surveys for evaluating prevalence. International health, Vol. 5, H. 4. pp. 280-287.

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Official URL: http://edoc.unibas.ch/dok/A6205633

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Abstract

School surveys provide a convenient platform to obtain large child cohorts from multiple communities and are widely used as a proxy to determine community prevalence of neglected tropical diseases. The purpose of this study was to compare trachoma prevalence between preschool- and school-aged children and children who attend and do not attend school.; We analysed data from community-based trachoma surveys conducted from 2008-2011 in Ethiopia, Mali, Niger and Nigeria. The surveys utilised a cross-sectional, randomised cluster design. Individual-level data on school attendance was collected.; Overall, 75 864 children aged 1-15 years from 2100 communities were included in the analysis. The prevalence of trachomatous inflammation follicular (TF) among these children in surveyed districts was 19.1% (95% CI 17.9-20.2%) in Ethiopia, 6.2% (95% CI 5.4-6.9%) in Niger, 4.6% (95% CI 4.2-4.9%) in Mali and 4.2% (95% CI 3.5-4.9%) in Nigeria. Controlling for age, sex and clustering, the OR of TF for school-attendees compared to non-attendees was 0.64 (95% CI 0.56-0.73) in Ethiopia, 0.67 (95% CI 0.56-0.80) in Mali, 1.03 (95% CI 0.81-1.16) in Niger and 1.06, (95% CI 0.65-1.73) in Nigeria.; Estimating the prevalence of trachoma through examination of only school-going children risks underestimating the true prevalence.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Eco System Health Sciences > Health Impact Assessment (Utzinger)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Eco System Health Sciences > Helminths and Health (Odermatt)
UniBasel Contributors:Odermatt, Peter and Utzinger, Jürg
Item Type:Article, refereed
Article Subtype:Research Article
Bibsysno:Link to catalogue
Publisher:Elsevier
ISSN:1876-3413
Note:Publication type according to Uni Basel Research Database: Journal article
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Last Modified:25 Apr 2014 08:00
Deposited On:25 Apr 2014 08:00

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