Dry season | Rainy season | |||||||
---|---|---|---|---|---|---|---|---|
Treatment | Total resting indoors | Collection days | Resting density/room/day (95% CI) | P value | Total resting indoors | Collection days | Mosquito/room/day (95% CI) | P value |
Indoor resting density of An. gambiae s.l. | ||||||||
 Permethrin | 866 | 720 | 1.20 (1.13–1.28) | 0.001 | 3758 | 720 | 5.22 (5.15–5.29) | 0.001 |
 Permethrin + PBO | 1452 | 720 | 2.02 (1.94–2.09) | 3883 | 720 | 5.39 (5.32–5.47) | ||
 Deltamethrin | 391 | 720 | 0.54 (0.47–0.62) | 0.001 | 2375 | 720 | 3.30 (3.23–3.37) | 0.001 |
 Deltamethrin + PBO | 981 | 719 | 1.36 (1.29–1.44) | 3404 | 720 | 4.73 (4.66–4.80) |
Dry season | Rainy season | |||||||
---|---|---|---|---|---|---|---|---|
Treatment | Number dissected | Number parous | Parity rate (95% CI) | P value | Number dissected | Number parous | Parity rate (95% CI) | P value |
Parity rate of An. gambiae s.l. | ||||||||
 Permethrin | 370 | 300 | 81.1 (77.1–85.1) | 0.15 | 1207 | 942 | 78.0 (75.7–80.4) | 0.18 |
 Permethrin + PBO | 480 | 370 | 77.1 (73.3–80.8) | 951 | 719 | 75.6 (72.9–78.3) | ||
 Deltamethrin | 178 | 162 | 91.0 (86.8–95.2) | 0.01 | 885 | 676 | 76.4 (73.6–79.2) | 0.06 |
 Deltamethrin + PBO net | 321 | 265 | 82.6 (78.4–86.7) | 823 | 597 | 72.5 (69.5–75.6) |
Dry season | Rainy season | |||||||
---|---|---|---|---|---|---|---|---|
Treatment | Number tested | Number of SPZ+ | % sporozoite positive (95% CI) | P value | Number tested | Number of SPZ+ | % sporozoite positive (95% CI) | P value |
Sporozoite rate of An. gambiae s.l. | ||||||||
 Permethrin | 319 | 22 | 6.90 (4.12–9.68) | 0.03 | 1490 | 76 | 5.10 (3.98–6.22) | 0.67 |
 Permethrin + PBO | 405 | 47 | 11.60 (8.49–14.72) | 1301 | 71 | 5.46 (4.22–6.69) | ||
 Deltamethrin | 257 | 13 | 5.06 (2.38–7.74) | 0.50 | 1054 | 39 | 3.70 (2.56–4.84) | 0.01 |
 Deltamethrin + PBO | 413 | 26 | 6.30 (3.95–8.64) | 1232 | 24 | 1.95 (1.18–2.72) |
Dry season | Rainy season | |||||||
---|---|---|---|---|---|---|---|---|
LLIN treatment arm | Number tested | Number human positive | % HBI (95% CI) | P value | Number tested | Number positive HBI | % HBI (95% CI) | P value |
Human blood meal index of indoor resting An. gambiae s.l. | ||||||||
 Permethrin | 258 | 124 | 48.1 (42.0–54.2) | 0.17 | 820 | 479 | 58.4 (55.0–61.8) | < 0.01 |
 Permethrin + PBO | 289 | 122 | 42.2 (36.5–47.9) | 590 | 285 | 48.3 (44.3–52.3) | ||
 Deltamethrin | 186 | 101 | 54.3 (47.1–61.5) | 0.44 | 585 | 296 | 50.6 (46.5–54.6) | 0.195 |
 Deltamethrin + PBO | 327 | 189 | 57.8 (52.4–63.2) | 556 | 260 | 46.8 (42.6–50.9) |