Publication: Risk factors for malaria infection among rubber tappers living in a malaria control program area in southern Thailand
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Issued Date
2012-11-01
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ISSN
01251562
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2-s2.0-84873046698
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Mahidol University
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SCOPUS
Bibliographic Citation
Southeast Asian Journal of Tropical Medicine and Public Health. Vol.43, No.6 (2012), 1313-1325
Suggested Citation
Sarika Pattanasin, Pratana Satitvipawee, Warunnee Wongklang, Chukiat Viwatwongkasem, Adisak Bhumiratana, Pichitpong Soontornpipit, Sutthi Jareinpituk Risk factors for malaria infection among rubber tappers living in a malaria control program area in southern Thailand. Southeast Asian Journal of Tropical Medicine and Public Health. Vol.43, No.6 (2012), 1313-1325. Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/14552
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Title
Risk factors for malaria infection among rubber tappers living in a malaria control program area in southern Thailand
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Abstract
Rubber tappers work begins at midnight during the feeding time of Anopheles maculatus and An. minimus, two common malaria vectors in southern Thailand. We studied the association between rubber tapper behavior and malaria infections as reported to the Notified Disease Surveillance System during 2010 in Prachuab Khiri Khan Province, Thailand. In that province insecticide treated bednets are distributed free to the population and insecticide residual spraying is performed annually. A random sample of 394 rubber tapper households was interviewed from October 2010 to May 2011. Twenty-six households (6.6%) had at least one family member who contracted malaria during 2010. Poisson regression was used to identify potential characteristics associated with malaria. Multilevel Poisson regression was used to test for simultaneous effects of tapper behavior and household risk for malaria infection. The estimated incidence rate ratio (IRR) for contracting malaria among those owning a farming hut was 2.9 (95% CI 1.1-7.3, p < 0.05) after controlling for other variables. Even in areas where control programs are in place, malaria infection among rubber tappers is common. Given the Thai Government's plan to expand the rubber plantation areas to other regions of the country without specific prevention for this at-risk population, the malaria burden in Thailand may increase.