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Int. J. Environ. Res. Public Health 2014, 11(5), 5137-5154; doi:10.3390/ijerph110505137

Community Knowledge and Acceptance of Larviciding for Malaria Control in a Rural District of East-Central Tanzania

1,* , 2,3
1 National Institute for Medical Research, 2448 Barack Obama Drive, P.O. Box 9653 Dar es Salaam, United Republic of Tanzania 2 Duke Global Health Institute, Duke University, 310 Trent Drive, Durham, NC 27710, USA 3 Nicholas School of the Environment, Duke University, 9 Circuit Drive, Durham, NC 27708, USA 4 School of Natural Resources and Environment, University of Michigan, 440 Church Street, Ann Arbor, MI 48109, USA
* Author to whom correspondence should be addressed.
Received: 13 March 2014 / Revised: 7 May 2014 / Accepted: 7 May 2014 / Published: 14 May 2014
(This article belongs to the Special Issue Epidemiology, Prevention and Control of Malaria)
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The use of microbial larvicides, a form of larval source management, is a less commonly used malaria control intervention that nonetheless has significant potential as a component of an integrated vector management strategy. We evaluated community acceptability of larviciding in a rural district in east-central Tanzania using data from 962 household surveys, 12 focus group discussions, and 24 in-depth interviews. Most survey respondents trusted in the safety (73.1%) and efficacy of larviciding, both with regards to mosquito control (92.3%) and to reduce malaria infection risk (91.9%). Probing these perceptions using a Likert scale provides a more detailed picture. Focus group participants and key informants were also receptive to larviciding, but stressed the importance of sensitization before its implementation. Overall, 73.4% of survey respondents expressed a willingness to make a nominal household contribution to a larviciding program, a proportion which decreased as the proposed contribution increased. The lower-bound mean willingness to pay is estimated at 2,934 Tanzanian Shillings (approximately US$1.76) per three month period. We present a multivariate probit regression analysis examining factors associated with willingness to pay. Overall, our findings point to a receptive environment in a rural setting in Tanzania for the use of microbial larvicides in malaria control.
Keywords: malaria; larviciding; community acceptability; willingness to pay; Tanzania malaria; larviciding; community acceptability; willingness to pay; Tanzania
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Mboera, L.E.G.; Kramer, R.A.; Miranda, M.L.; Kilima, S.P.; Shayo, E.H.; Lesser, A. Community Knowledge and Acceptance of Larviciding for Malaria Control in a Rural District of East-Central Tanzania. Int. J. Environ. Res. Public Health 2014, 11, 5137-5154.

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