Fig 1.
The population density of livestock (cattle and poultry) in the districts of Hanoi city (population/km2).
The data was obtained from 2017 from the Hanoi sub-Department of Animal Health. A. Cattle population density B. Poultry population density C. Pig population density D. Human density. Maps created using ArcGIS version 10.3 ArcMap (ESRI, Redlands, CA). HD: Ha Dong. DP: Dan Phuong.
Fig 2.
Maps showing the 12 randomly selected GPS-points for the two selected districts; Dan Phuong and Ha Dong.
Maps created using ArcGIS version 10.3 ArcMap (ESRI, Redlands, CA).
Table 1.
Socio-demographic characteristics of the households in the Dan Phuong and Ha Dong districts.
Table 2.
Livestock-keeping households in Dan Phuong and Ha Dong districts.
Fig 3.
The number of households in each district that had knowledge about dengue fever symptoms and mosquito breeding sites.
There were 71 households interviewed in Dan Phuong and 69 households in Ha Dong. *p<0.05 (Chi2 test).
Fig 4.
The dengue problem graded by the respondents in Dan Phuong and Ha Dong.
A. The dengue problem graded in the respondent’s commune. B. The dengue problem graded in the world.
Fig 5.
The number of households that protected themselves against mosquitoes in Ha Dong and Dan Phuong.
*p<0.05 within the category between the districts, ***p<0.001 within the category between the districts.
Table 3.
The number of mosquitoes and larvae collected in Dan Phuong and Ha Dong districts.
Table 4.
The number of households with and without Aedes spp. mosquitoes in each district.
Fig 6.
The number of households where at least one person had been diagnosed with dengue fever during different time periods of the year.
Table 5.
The number of households with confirmed dengue fever cases in 2017 by district, livestock keeping, the presence of Aedes spp. mosquitoes and Aedes spp. larvae.
Table 6.
Results from the multivariable logistic model on risks of a household experiencing dengue fever cases.