Table 2.
Median numbers (and inter-quartile ranges (IQR)), and the sum of mosquitoes of different taxa caught per night in experimental huts fitted with different IRS and LLIN treatments during the dry season tests
| |
Anopheles arabiensis |
Culex species |
Mansonia species |
|||
|---|---|---|---|---|---|---|
| IRS/LLIN combinations | Median (IQR) | Sum(n)^ | Median (IQR) | Sum$ | Median (IQR) | Sum$ |
| Untreated nets alone** |
66.5 (20.3 - 103.8) |
4596 (60) |
26.0 (9.0 - 62.3) |
2388 |
9.5 (4.0 - 21.0) |
802 |
| Olyset® alone |
89.0 (62.3 - 128.5) |
6047 (60) |
26.5 (10.0 - 65.8) |
2701 |
11.0 (3.3 - 15.8) |
743 |
| PermaNet 2.0® alone |
67.0 (46.8 - 95.0) |
4420 (60) |
28.0 (10.3 - 56.3) |
2257 |
7.0 (4.0 - 16.0) |
627 |
| Icon Life® alone |
79.0 (47.3 - 130.0) |
6492 (60) |
23.0 (11.3 - 66.8) |
2434 |
13.5 (4.5 - 23.0) |
910 |
| Pirimiphos methyl only |
89.0 (57.5 -162.8) |
4512 (40) |
25.5 (10.5 - 51.5) |
1437 |
13.0 (6.3 - 27.3) |
669 |
| Pirimiphos methyl and Olyset® |
119.5 (71.3 -175.5) |
5466 (40) |
27.0 (9.8 - 71.3) |
1555 |
10.0 (3.0 - 16.0) |
496 |
| Pirimiphos methyl and PermaNet 2.0® |
87.5 (60.3 - 139.3) |
4691 (40) |
22.5 (11.0 - 57.5) |
1438 |
13.0 (7.3 - 23.0) |
656 |
| Pirimiphos methyl and Icon Life® |
124.5 (78.0 - 216.5) |
6022 (40) |
33.5 (14.5 - 66.5) |
1884 |
13.5 (7.0 - 30.8) |
800 |
| DDT only |
45.0 (32.3 -94.3) |
2605 (40) |
21.5 (10.3 - 48. 3) |
1380 |
10.0 (3.3 - 15.8) |
414 |
| DDT and Olyset® |
74.5 (45.5 - 102.8) |
3162 (40) |
26.0 (7.3 - 54.5) |
1650 |
8.0 (3.0 - 15.0) |
366 |
| DDT and PermaNet 2.0® |
55.5 (38.3 - 74.8) |
2728 (40) |
24.5 (10.3 - 44.8) |
1530 |
6.5 (3.3 - 17.5) |
414 |
| DDT and Icon Life® |
94.0 (62.5 - 128.0) |
4017 (40) |
22.5 (10.0 - 48.5) |
1709 |
10.0 (4.0 - 14.8) |
422 |
| Lambda cyhalothrin alone |
82.0 (60.8 - 137.8) |
4212 (40) |
34.0 (9.5 - 67.3) |
1673 |
9.5 (6.0 - 15.0) |
533 |
| Lambda cyhalothrin and Olyset® |
99.0 (61.0 - 186.8) |
5323 (40) |
29.0 (7.3 - 51.8) |
1355 |
6.5 (2.0 - 12.5) |
361 |
| Lambda cyhalothrin and PermaNet 2.0® |
85.5 (41.5 - 141.0) |
3931 (40) |
31.0 (9.3 - 64.8) |
1596 |
7.0 (3.0 - 17.0) |
494 |
| Lambda cyhalothrin and Icon Life® | 106.0 (59.3 - 174.5) | 5434 (40) | 28.5 (7.0 - 56.3) | 1477 | 11.5 (5.0 - 23.0) | 598 |
^ The term ‘n’ refers to total number of replicates.
$ The number of replicates (n) was the same as for Anopheles arabiensis.
**Controls refer to unsprayed huts in which volunteers used untreated nets.