Geographical perspectives on bednet use and malaria transmission in the Gambia, West Africa

Madeleine Thomson, Stephen Connor, Steve Bennett, Umberto D'Alessandro, Paul Milligan, Moses Aikins, Patricia Langerock, Musa Jawara and Brian Greenwood

Social Science & Medicine, 1996, vol. 43, issue 1, 101-112

Abstract: Insecticide-impregnated bednets are now widely accepted as an important tool in reducing malaria-related deaths in children in Africa. Defining the circumstances in which net treatment programmes are likely to be effective is essential to a rational development of this control strategy. In The Gambia a National Impregnated Bednet Programme was introduced into the primary health care system in 1992. Prior to its introduction baseline epidemiological and entomological studies were conducted throughout the country. These studies showed that in areas where mosquito biting nuisance was high, people protected themselves with bednets and that where mosquito densities (and therefore bednet usage) was low malaria prevalence rates were relatively high. Since the national programme is designed to assist only those people who already own a bednet (by providing the insecticide) an understanding of the factors which determine bednet ownership is needed to help evaluate the programme's effectiveness and provide guidelines for increasing bednet usage. Village scale bednet usage rates and malaria prevalence rates obtained from the baseline survey were correlated with certain geographical variables: dominant ethnic group, area, habitat, distance from the River Gambia and distance from the 'bluffline' (the interface between the sandstone soils and alluvial soils which border the river system). In a multiple regression analysis, bednet usage was independently associated with area (P

Keywords: malaria; Anopheles; gambiae; The; Gambia; impregnated; bednets; rice (search for similar items in EconPapers)
Date: 1996
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