Table 3. Total anopheline trap captures with plant and animal odor compounds and worn socks in the presence or absence of carbon dioxide using CDC traps.
Species | Treatment | N | Without CO2 | With CO2 | ||||
n | IRR (95% CI) | P-value | n | IRR (95% CI) | P-value | |||
An. gambiae s.l. | Control | 18 | 11 | 1.0 | 17 | 1.0 | ||
LO | 18 | 19 | 1.4 (0.68–3.04) | 0.36 | 80 | 3.9 (2.34–7.05) | <0.001 | |
LO+OC | 18 | 13 | 1.0 (0.44–2.25) | 1.00 | 85 | 4.9 (2.97–8.76) | <0.001 | |
Blend C | 18 | 38 | 3.2 (1.71–6.33) | <0.001 | 55 | 2.9 (1.70–5.34) | <0.001 | |
Blend F | 18 | 30 | 2.5 (1.31–5.08) | <0.01 | 80 | 5.0 (3.01–8.87) | <0.001 | |
Socks | 18 | 9 | 0.9 (0.40–2.09) | 0.83 | 77 | 4.8 (2.89–8.55) | <0.001 | |
An. funestus s.l. | Control | 18 | 9 | 1.0 | 10 | 1.0 | ||
LO | 18 | 14 | 1.1 (0.49–2.41) | 0.84 | 42 | 2.7 (1.46–5.28) | <0.01 | |
LO+OC | 18 | 13 | 0.9 (0.40–2.09) | 0.84 | 61 | 4.4 (2.48–8.37) | <0.001 | |
Blend C | 18 | 13 | 1.0 (0.44–2.25) | 1.00 | 31 | 2.0 (1.05–4.02) | <0.05 | |
Blend F | 18 | 15 | 1.3 (0.59–2.72) | 0.57 | 28 | 2.2 (1.14–4.30) | <0.05 | |
Socks | 18 | 9 | 0.8 (0.35–1.93) | 0.67 | 26 | 2.3 (1.23–4.57) | <0.05 |
IRR = incidence rate ratio, CI = confidence interval, N = number of replicates, n = total number of mosquitoes caught, LO = (E)-linalool oxide and OC = β-ocimene. NB: Control (solvent or solvent + CO2) was used as a reference.