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A cluster-randomized trial of insecticide-treated curtains for dengue vector control in Thailand

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Abstract
The efficacy of insecticide-treated window curtains (ITCs) for dengue vector control was evaluated in Thailand in a cluster-randomized controlled trial. A total of 2,037 houses in 26 clusters was randomized to receive the intervention or act as control (no treatment). Entomological surveys measured Aedes infestations (Breteau index, house index, container index, and pupae per person index) and oviposition indices (mean numbers of eggs laid in oviposition traps) immediately before and after intervention, and at 3-month intervals over 12 months. There were no consistent statistically significant differences in entomological indices between intervention and control clusters, although oviposition indices were lower (P < 0.01) in ITC clusters during the wet season. It is possible that the open housing structures in the study reduced the likelihood of mosquitoes making contact with ITCs. ITCs deployed in a region where this house design is common may be unsuitable for dengue vector control.
Keywords
DETERMINANTS, WATER CONTAINER COVERS, AEDES-AEGYPTI, URBAN, DISPERSAL

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Chicago
Lenhart, Audrey, Yuwadee Trongtokit, Neal Alexander, Chamnam Apiwathnasorn, Wichai Satimai, Veerle Vanlerberghe, Patrick Van Der Stuyft, and Philip J McCall. 2013. “A Cluster-randomized Trial of Insecticide-treated Curtains for Dengue Vector Control in Thailand.” American Journal of Tropical Medicine and Hygiene 88 (2): 254–259.
APA
Lenhart, A., Trongtokit, Y., Alexander, N., Apiwathnasorn, C., Satimai, W., Vanlerberghe, V., Van Der Stuyft, P., et al. (2013). A cluster-randomized trial of insecticide-treated curtains for dengue vector control in Thailand. AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE, 88(2), 254–259.
Vancouver
1.
Lenhart A, Trongtokit Y, Alexander N, Apiwathnasorn C, Satimai W, Vanlerberghe V, et al. A cluster-randomized trial of insecticide-treated curtains for dengue vector control in Thailand. AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE. 2013;88(2):254–9.
MLA
Lenhart, Audrey, Yuwadee Trongtokit, Neal Alexander, et al. “A Cluster-randomized Trial of Insecticide-treated Curtains for Dengue Vector Control in Thailand.” AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE 88.2 (2013): 254–259. Print.
@article{4306289,
  abstract     = {The efficacy of insecticide-treated window curtains (ITCs) for dengue vector control was evaluated in Thailand in a cluster-randomized controlled trial. A total of 2,037 houses in 26 clusters was randomized to receive the intervention or act as control (no treatment). Entomological surveys measured Aedes infestations (Breteau index, house index, container index, and pupae per person index) and oviposition indices (mean numbers of eggs laid in oviposition traps) immediately before and after intervention, and at 3-month intervals over 12 months. There were no consistent statistically significant differences in entomological indices between intervention and control clusters, although oviposition indices were lower (P < 0.01) in ITC clusters during the wet season. It is possible that the open housing structures in the study reduced the likelihood of mosquitoes making contact with ITCs. ITCs deployed in a region where this house design is common may be unsuitable for dengue vector control.},
  author       = {Lenhart, Audrey and Trongtokit, Yuwadee and Alexander, Neal and Apiwathnasorn, Chamnam and Satimai, Wichai and Vanlerberghe, Veerle and Van Der Stuyft, Patrick and McCall, Philip J},
  issn         = {0002-9637},
  journal      = {AMERICAN JOURNAL OF TROPICAL MEDICINE AND HYGIENE},
  keywords     = {DETERMINANTS,WATER CONTAINER COVERS,AEDES-AEGYPTI,URBAN,DISPERSAL},
  language     = {eng},
  number       = {2},
  pages        = {254--259},
  title        = {A cluster-randomized trial of insecticide-treated curtains for dengue vector control in Thailand},
  url          = {http://dx.doi.org/10.4269/ajtmh.2012.12-0423},
  volume       = {88},
  year         = {2013},
}

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