Table 1.
Study profile and characteristics of index-based interventions
| Indicator | NKTA | FC + DWL | FC + ITN |
|---|---|---|---|
| No. of unions | 2 | 2 | 2 |
| No. of villages | 11 | 10 | 7 |
| Total number of households (population) in the study villages | 12,184 (55,663) | 5,570 (24,594) | 8,143 (36,869) |
| No. of index cases (households) | 18 (18) | 12 (12) | 19 (19) |
| Index case–based vector control activity coverage in % (done/targeted) | – | – | – |
| Household | 93.32 (503/539) | 93.05 (308/331) | 87.84 (607/691) |
| Population | 93.34 (2,298/2,462) | 93.02 (1,360/1,462) | 87.82 (2,748/3,129) |
| Average household (population) per index case–based intervention | 30 (139) | 28 (118) | 36 (168) |
| Average (SD) family size | 4.69 (1.96) | 4.27 (1.65) | 4.71 (1.93) |
| Mean (SD) no. of bedrooms/bed-nets* | 1.93 (1.11) | 1.36 (0.55) | 2.16 (1.00) |
| Mean proportion (in %) of bedrooms/bed-nets* received per intervention per household | 90.17 (20.91) | 83.60 (24.42) | 90.66 (19.21) |
| Average no. of suspected sandfly breeding places washed with larvicide per index case–based intervention | 19.00 (17.34) | N/A | N/A |
FC + DWL = fever camp and installation of durable wall lining; FC + ITN = fever camp and insecticide-treated net; NKTA = no kala-azar transmission activity; N/A = not applicable.
* Bed-nets for ITN arms.