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Publication Details
AFRICAN RESEARCH NEXUS
SHINING A SPOTLIGHT ON AFRICAN RESEARCH
Window screening, ceilings and closed eaves as sustainable ways to control malaria in Dar es Salaam, Tanzania
Malaria Journal, Volume 8, No. 1, Article 221, Year 2009
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Description
Background. Malaria transmission in Africa occurs predominantly inside houses where the primary vectors prefer to feed. Human preference and investment in blocking of specific entry points for mosquitoes into houses was evaluated and compared with known entry point preferences of the mosquitoes themselves. Methods. Cross-sectional household surveys were conducted in urban Dar es Salaam, Tanzania to estimate usage levels of available options for house proofing against mosquito entry, namely window screens, ceilings and blocking of eaves. These surveys also enabled evaluation of household expenditure on screens and ceilings and the motivation behind their installation. Results. Over three quarters (82.8%) of the 579 houses surveyed in Dar es Salaam had window screens, while almost half (48.9%) had ceilings. Prevention of mosquito entry was cited as a reason for installation of window screens and ceilings by 91.4% (394/431) and 55.7% (127/228) of respondents, respectively, but prevention of malaria was rarely cited (4.3%, 22/508). The median cost of window screens was between US $ 21-30 while that of ceilings was between US $301-400. The market value of insecticide-treated nets, window screening and ceilings currently in use in the city was estimated as 2, 5 and 42 million US$. More than three quarters of the respondents that lacked them said it was too expensive to install ceilings (82.2%) or window screens (75.5%). Conclusion. High coverage and spending on screens and ceilings implies that these techniques are highly acceptable and excellent uptake can be achieved in urban settings like Dar es Salaam. Effective models for promotion and subsidization should be developed and evaluated, particularly for installation of ceilings that prevent entry via the eaves, which are the most important entry point for mosquitoes that cause malaria, a variety of neglected tropical diseases and the nuisance which motivates uptake. © 2009 Ogoma et al.
Authors & Co-Authors
Ogoma, Sheila Barasa
Kenya, Nairobi
University of Nairobi
Tanzania, Ifakara
Ifakara Health Institute
Kannady, Khadija
Tanzania, Dar es Salaam
Ministry of Regional Administration and Local Government
Sikulu-Lord, Maggy T.
Kenya, Nairobi
University of Nairobi
Tanzania, Ifakara
Ifakara Health Institute
Chaki, Prosper Pius
Tanzania, Ifakara
Ifakara Health Institute
United Kingdom, Durham
Durham University
United Kingdom, Liverpool
Liverpool School of Tropical Medicine
Govella, Nicodemus James
Tanzania, Ifakara
Ifakara Health Institute
United Kingdom, Durham
Durham University
United Kingdom, Liverpool
Liverpool School of Tropical Medicine
Mukabana, Wolfgang Richard
Kenya, Nairobi
University of Nairobi
Killeen, Gerry Francis
Tanzania, Ifakara
Ifakara Health Institute
United Kingdom, Durham
Durham University
United Kingdom, Liverpool
Liverpool School of Tropical Medicine
Statistics
Citations: 81
Authors: 7
Affiliations: 5
Identifiers
Doi:
10.1186/1475-2875-8-221
e-ISSN:
14752875
Research Areas
Health System And Policy
Infectious Diseases
Study Design
Cross Sectional Study
Study Locations
Tanzania