Table 2 Summary findings of tests for effects of varying the number of traps on efficacy of push–pull against Anopheles arabiensis biting risk outdoors and indoors
No. traps | N | Indoor biting risk (assessed using CDC-light trap) | Outdoor biting risk (assessed using human landing catch) | Mosquitoes trapped | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
Mean (95% CL) | RR (95% CI) | % Protection | p-value | Mean (95% CL) | RR (95% CI) | % Protection | p-value | Mean (95% CL) | ||
Control | 15 | 27.6 (16.9–44.9) | 1 | N/A | N/A | 239.1 (194.9–293.4) | 1 | N/A | N/A | N/A |
One trap (0.5/hut) | 10 | 22.4 (12.3–41) | 0.8 (0.4–1.8) | 19 | 0.463 | 219.7 (170.9–282.4) | 0.9 (0.7–1.3) | 10 | 0.172 | 45.5 (22.5–91.9) |
Two traps (1/hut) | 10 | 2.8 (1.3–5.8) | 0.1 (0.04–0.2) | 90 | < 0.001 | 37.0 (28.3–48.4) | 0.2 (0.1–0.2) | 80 | < 0.001 | 54.4 (27.1–109.0) |
Four traps (2/hut) | 10 | 8.9 (4.8–16.7) | 0.3 (0.2–0.7) | 69 | < 0.001 | 235.6 (183.3–302.6) | 1.0 (0.7–1.4) | 0 | 0.713 | 50.3 (45.2–55.5) |