Modelling the Ecological Comorbidity of Acute Respiratory Infection,Diarrhoea and Stunting among Children Under the Age of 5 Years in Somalia |
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| Authors: | Damaris K Kinyoki Samuel O Manda Grainne M Moloney Elijah O Odundo James A Berkley Abdisalan M Noor Ngianga‐Bakwin Kandala |
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| Institution: | 1. Spatial Health Metrics Group, INFORM Project, Kenya Medical Research Institute/Wellcome Trust Research Programme, Nairobi, Kenya;2. Biostatistics Research Unit, South African Medical Research Council, Pretoria, South Africa;3. Division of Epidemiology and Biostatistics, School of Public Health, University of Witwatersrand, Johannesburg, South Africa;4. Nutrition Section, United Nations Children's Fund (UNICEF), Kenya Country Office, UN Complex Gigiri, Nairobi, Kenya;5. Food Security and Nutrition Analysis Unit (FSNAU) for Somalia, United Nations Food and Agricultural Organization, Nairobi, Kenya;6. Kenyan Medical Research Institute/Wellcome Trust Research Programme, Centre for Geographic Medicine Research (Coast), Kilifi, Kenya;7. Centre for Tropical Medicine and Global Health, Nuffield Department of Clinical Medicine, University of Oxford, CCVTM, Oxford, UK;8. Warwick Evidence, Warwick Medical School, University of Warwick, Coventry, UK;9. Department of Mathematics and Information Sciences, Faculty of Engineering and Environment, Northumbria University, Newcastle upon Tyne, UK |
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| Abstract: | The aim of this study was to assess spatial co‐occurrence of acute respiratory infections (ARI), diarrhoea and stunting among children of the age between 6 and 59 months in Somalia. Data were obtained from routine biannual nutrition surveys conducted by the Food and Agriculture Organization 2007–2010. A Bayesian hierarchical geostatistical shared component model was fitted to the residual spatial components of the three health conditions. Risk maps of the common spatial effects at 1×1 km resolution were derived. The empirical correlations of the enumeration area proportion were 0.37, 0.63 and 0.66 for ARI and stunting, diarrhoea and stunting and ARI and diarrhoea, respectively. Spatially, the posterior residual effects ranged 0.03–20.98, 0.16–6.37 and 0.08–9.66 for shared component between ARI and stunting, diarrhoea and stunting and ARI and diarrhoea, respectively. The analysis showed clearly that the spatial shared component between ARI, diarrhoea and stunting was higher in the southern part of the country. Interventions aimed at controlling and mitigating the adverse effects of these three childhood health conditions should focus on their common putative risk factors, particularly in the South in Somalia. |
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| Keywords: | Diarrhoea acute respiratory infections stunting geostatistics shared component Somalia |
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