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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Reliability of School Surveys in Estimating Geographic Variation in Malaria Transmission in the Western Kenyan Highlands
PLoS ONE, Volume 8, No. 10, Article e77641, Year 2013
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Description
Background:School surveys provide an operational approach to assess malaria transmission through parasite prevalence. There is limited evidence on the comparability of prevalence estimates obtained from school and community surveys carried out at the same locality.Methods:Concurrent school and community cross-sectional surveys were conducted in 46 school/community clusters in the western Kenyan highlands and households of school children were geolocated. Malaria was assessed by rapid diagnostic test (RDT) and combined seroprevalence of antibodies to bloodstage Plasmodium falciparum antigens.Results:RDT prevalence in school and community populations was 25.7% (95% CI: 24.4-26.8) and 15.5% (95% CI: 14.4-16.7), respectively. Seroprevalence in the school and community populations was 51.9% (95% CI: 50.5-53.3) and 51.5% (95% CI: 49.5-52.9), respectively. RDT prevalence in schools could differentiate between low (<7%, 95% CI: 0-19%) and high (>39%, 95% CI: 25-49%) transmission areas in the community and, after a simple adjustment, were concordant with the community estimates.Conclusions:Estimates of malaria prevalence from school surveys were consistently higher than those from community surveys and were strongly correlated. School-based estimates can be used as a reliable indicator of malaria transmission intensity in the wider community and may provide a basis for identifying priority areas for malaria control. © 2013 Stevenson et al.
Authors & Co-Authors
Stevenson, Jennifer C.
Unknown Affiliation
Stresman, Gillian Hindrina
Unknown Affiliation
Gitonga, Caroline W.
Unknown Affiliation
Gillig, Jonathan
Unknown Affiliation
Owaga, Chrispin O.
Unknown Affiliation
Marube, Elizabeth
Unknown Affiliation
Odongo, Wycliffe
Unknown Affiliation
Okoth, Albert
Unknown Affiliation
China, Pauline
Unknown Affiliation
Oriango, Robin M.
Unknown Affiliation
Brooker, Simon J.
Unknown Affiliation
Bousema, Teun
Unknown Affiliation
Drakeley, Chris J.
Unknown Affiliation
Cox, Jonathan St H.
Unknown Affiliation
Statistics
Citations: 78
Authors: 14
Affiliations: 9
Identifiers
Doi:
10.1371/journal.pone.0077641
e-ISSN:
19326203
Research Areas
Infectious Diseases
Maternal And Child Health
Study Design
Cross Sectional Study