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. 2014 Feb 24;9(2):e89818. doi: 10.1371/journal.pone.0089818

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.