Skip to main content
. 2021 Mar 21;10(3):376. doi: 10.3390/pathogens10030376

Table 2.

Result of the negative binomial generalized linear models with the number of trapped mosquitoes (Cx. vishnui, Cx. tritaeniorhynchus and Cx. gelidus) per trapping session as the outcome and bait type, collection time and position of trap as explanatory variables.

Mosquito Species Variable Value Individual-Level Model BSA b-Level Model
Odds-Ratio p-Value Odds-Ratio p-Value
(95% CI a) (95% CI)
Culex vishnui Bait Pig Ref. Ref.
Human 0.5 (0.4–0.8) 0.002 0.4 (0.3–0.7) 0.001
Chicken 0.09 (0.06–0.1) <0.0001 1.1 (0.7–1.6) 0.67
Cow 1.6 (1.1–2.4) 0.016 0.7 (0.5–1.1) 0.08
Empty 0.2 (0.1–0.3) <0.0001 NA
Month December Ref.
March 0.6 (0.4–0.8) 0.002
June 1.0 (0.7–1.5) 0.9
September 0.3 (0.2–0.4) <0.0001
Hour 6 p.m.–9 p.m. Ref.
9 p.m.–0 a.m. 1.0 (0.7–1.4) 0.9
0 a.m.–3 a.m. 0.7 (0.5–0.9) 0.02
3 a.m.–6 a.m. 0.4 (0.2–0.5) <0.0001
Culex tritaeniorhynchus Bait Pig Ref. Ref.
Human 0.2 (0.1–0.4) <0.0001 0.2 (0.1–0.3) <0.0001
Chicken 0.05 (0.03–0.08) <0.0001 0.5 (0.3–1.0) 0.03
Cow 1.4 (0.8–2.4) 0.2 0.6 (0.4–1.1) 0.07
Empty 0.2 (0.1–0.3) <0.0001 NA
Month December Ref.
March 14.3 (8.6–23.7) <0.0001
June 4.6 (2.7–7.9) <0.0001
September 0.5 (0.3–0.9) 0.008
Hour 6 p.m.–9 p.m. Ref.
9 p.m.–0 a.m. 0.6 (0.4–1.0) 0.03
0 a.m.–3 a.m. 0.5 (0.3–0.9) 0.01
3 a.m.–6 a.m. 0.3 (0.2–0.5) <0.0001
Culex gelidus Bait Pig Ref. Ref.
Human 0.5 (0.3–0.8) 0.005 0.4 (0.3–0.7) 0.0003
Chicken 0.09 (0.06–0.15) <0.0001 1.1 (0.7–1.7) 0.7
Cow 1.5 (0.9–2.3) 0.08 0.6 (0.4–1.0) 0.04
Empty 0.3 (0.2–0.5) <0.0001 NA
Month December Ref.
March 0.2 (0.1–0.3) <0.0001
June 1.6 (1.1–2.4) 0.01
September 1.1 (0.7–1.7) 0.7
Hour 6 p.m.–9 p.m. Ref.
9 p.m.–0 a.m. 1.3 (0.9–1.9) 0.2
0 a.m.–3 a.m. 1.1 (0.8–1.7) 0.5
3 a.m.–6 a.m. 0.2 (0.1–0.3) <0.0001
Position c Site 1 Ref.
Site 2 1.7 (1.0–2.7) 0.03
Site 3 1.3 (0.8–2.0) 0.3
Site 4 3.1 (1.9–4.9) <0.0001
Site 5 2.0 (1.3–3.2) 0.003

a: Confidence interval, b: Body Surface Area, c: Position of the trap.