Table 1.
Variable name | Units/Code | IN surveillance traps – Average ± Standard Error (sample size) or # of traps | NIS surveillance traps - Average ± Standard Error (sample size) or # of traps |
---|---|---|---|
| |||
Number of Aedes aegypti females | Individuals/trap/week | 0.98 ± 0.06 (429) | 17.59 ± 0.77 (445) |
Trap location (building) | Front (0), Elsewhere (alongside, back) (1) | 16, 11 | 17, 10 |
Trap exposure to rain | No (0), Yes (1) | 3, 24 | 4, 24 |
Trap exposure to sun | Total (0), Partial/shade (1) | 10, 17 | 8, 20 |
Trap under vegetation | No (0), Yes (1) | 20, 7 | 21, 7 |
Ground cover under trap | Grass (0), Built (1) | 4, 23 | 5, 23 |
Trap background | Dark (0), Light (1) | 20, 7 | 10, 18 |
Presence of adult mosquitoes alive in infusion chamber* | No (0), Yes (1) | 414, 15 | 328, 91 |
Distance to nearest window or door | Meters | 2.85 ± 0.44 (27) | 4.48 ± 0.64 (27) |
Trap water volume | Liters | 7.05 ± 0.06 (429) | 7.21 ± 0.06 (445) |
Trap water minimum daily temperature | °C | 22.67 ± 0.66 (401) | 25.02 ± 0.10 (445) |
Trap water maximum daily temperature | °C | 33.29 ± 0.18 (401) | 36.69 ± 0.18 (445) |
Trap water mean daily temperature | °C | 27.10 ± 0.07 (401) | 29.93 ± 0.08 (445) |
House occupancy | Uninhabited (0), inhabited (1) | 8, 19 | 4, 23 |
Pet presence | No (0), Yes (1) | 18, 9 | 11, 17 |
Mean daily temperature ** | °C | 25.72 ± 0.14 (16) | 27.79 ± 0.32 (16) |
Mean daily Relative humidity ** | % | 74.70 ± 0.75 (16) | 76.08 ± 0.67 (16) |
Weekly rainfall ** | mm | 11.71 ± 3.99 (16) | 18.43 ± 5.01 (16) |
Mean daily wind speed ** | m/s | 1.0 ± 0.09 (16) | 1.77 ± 0.07 (16) |
Following heavy rains, protruded eggs from captured female Ae. aegypti can be washed through the screen into the infusion chamber, hatch, and develop into adults that remain trapped within the infusion chamber
Measured at meteorological stations located at study sites