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The influence of environmental factors on childhood fever during the rainy season in an African city : a multilevel approach in Dakar-Senegal

Stéphanie Dos Santos, Iulia Rautu, Mody Diop, Mahaman Mourtala Abdou Illou, Alphousseyni Ndonky, Jean-Yves Le Hesran, Richard Lalou, 2015, « The influence of environmental factors on childhood fever during the rainy season in an African city : a multilevel approach in Dakar-Senegal »Population and Environment Review, vol. 36, 429-451, DOI 10.1007/s11111-014-0224-1

In African growing cities, vector-borne diseases (such as malaria and dengue) contribute to a large burden of childhood morbidity and mortality. During the peak of transmission, environmental factors can have an influence on those fevers, apart from the individual and household characteristics. A household survey conducted in 2008 in Dakar was completed by a community questionnaire on environmental threats that could be factored into multilevel analyses. Using a randomized sample of 7,300 children from 3,000 households dispatched within 50 neighborhoods, a three-level modeling process is presented. Rates of recent fever varied substantially from one neighborhood to another, ranging between 10 and 37 %. Findings indicate that the onset of fever is influenced by factors from all three
hierarchical levels, with neighborhood factors playing a relatively lower role than the other two. Among the environmental factors, the effect of environmental sanitation is particularly interesting.

Keywords : Child health ; Environmental factors ; Urban ; Senegal ; Multilevel analysis

DOI 10.1007/s11111-014-0224-1

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