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Relationships between anaemia and parasitic infections in Kenyan schoolchildren: a Bayesian hierarchical modelling approach

By Artemis Koukounari, Benson Estambale, J. Kiambo Njagi, Bonnie Cundill, Anthony Ajanga, Christopher Crudder, Julius Otido, Matthew Jukes, Siân E. Clarke and Simon Brooker

Abstract

Anaemia is multi-factorial in origin and disentangling its aetiology remains problematic, with surprisingly few studies investigating the relative contribution of different parasitic infections to anaemia amongst schoolchildren. We report cross-sectional data on haemoglobin, malaria parasitaemia, helminth infection and undernutrition among 1523 schoolchildren enrolled in classes 5 and 6 (aged 10–21 years) in 30 primary schools in western Kenya. Bayesian hierarchical modelling was used to investigate putative relationships. Children infected with Plasmodium falciparum or with a heavy Schistosoma mansoni previous terminfection,stunted children and girls were found to have lower haemoglobin concentrations. Children heavily infected with S. mansoni were also more likely to be anaemic compared with uninfected children. This study further highlights the importance of malaria and intestinal schistosomiasis as contributors to reduced haemoglobin levels among schoolchildren and helps guide the implementation of integrated school health programmes in areas of differing parasite transmission

Topics: DT Africa, RA Public aspects of medicine
Publisher: Elsevier
Year: 2008
DOI identifier: 10.1016/j.ijpara.2008.05.013
OAI identifier: oai:eprints.lse.ac.uk:37718
Provided by: LSE Research Online
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