Table 4.
Effects of vegetation densities on performance of the ATSBs (when the observations in chambers with no vegetation are considered as reference). Comparative effects of the vegetation densities are estimated by Chi-Square test
| Parameter estimated | Trap | Vegetation cover | Mean (± 2SE) | OR 95% CI | P-value | χ2, p-value |
|---|---|---|---|---|---|---|
| Indoor biting risk | CDC light traps | No vegetation | 6.8 (5.3–8.4) | 1 | (33.12, < 0.001) | |
| Sparse vegetation | 10.4 (9.3–11.4) | 0.64 (0.56–0.74) | < 0.001 | |||
| Dense vegetation | 12.5 (11.6–13.3) | 0.53 (0.47–0.60) | < 0.001 | |||
| Outdoor biting risk | Human landing catches (HLC) | No vegetation | 28.2 (21.4–35.9) | 1 | (346.05, < 0.001) | |
| Sparse vegetation | 34.6 (31.5–37.8) | 0.79 (0.66–0.95) | 0.01 | |||
| Dense vegetation | 28.2 (26.7–29.7) | 1.02 (0.85–1.22) | 0.87 | |||
| Indoor-resting densities | Prokopack aspirators (indoors) | No vegetation | 1.9 (1.7–2.1) | 1 | (0.15, 0.93) | |
| Sparse vegetation | 2.0 (1.8–2.1) | 0.95 (0.81–1.11) | 0.53 | |||
| Dense vegetation | 2.0 (1.8–2.2) | 0.93 (0.8–1.09) | 0.39 | |||
| Outdoor-resting densities | Prokopack aspirators (outdoors) | No vegetation | 2.5 (2.4–2.7) | 1 | (1.97, 0.37) | |
| Sparse vegetation | 2.4 (2.2–2.6) | 1.05 (0.91–1.2) | 0.51 | |||
| Dense vegetation | 2.4 (2.3–2.6) | 1.04 (0.91–1.19) | 0.58 |