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Table 3 Effect of candidate ATSBs in semi-field chambers with dense, sparse and no vegetation

From: Effects of vegetation densities on the performance of attractive targeted sugar baits (ATSBs) for malaria vector control: a semi-field study

Vegetation densities

Parameter estimated

Intervention

Mean mosquito catches (95% CI)

Reduction (%)

OR (95% CI)

P-value

Dense vegetation

Indoor-biting risk

No ATSBs

14.9 (13.8–16.0)

16.1 (15.9–16.9)

1

< 0.001

ATSBs added

12.5 (11.6–13.3)

1.2 (1.1–1.3)

Outdoor-biting risk

No ATSBs

37.8 (36.4–39.2)

25.4 (24.2–26.6)

1

< 0.001

ATSBs added

28.2 (26.7–29.7)

1.4 (1.3–1.6)

Indoor-resting

No ATSBs

3.2 (3.1–3.3)

37.5 (36–38.7)

1

< 0.001

ATSBs added

2.0 (1.9–2.1)

1.6 (1.4–1.8)

Outdoor-resting

No ATSBs

4.4 (4.1–4.6)

45.5 (43.9–45)

1

< 0.001

ATSBs added

2.4 (2.3–2.6)

1.8 (1.6–2.1)

Sparse vegetation

Indoor-biting risk

No ATSBs

14.1 (13.0–15.1)

26.2 (24.5–28.5)

1

< 0.001

ATSBs added

10.4 (9.3–11.4)

1.4 (1.2–1.6)

Outdoor-biting risk

No ATSBs

52.8 (50.5–55.2)

34.5 (31.5–37.6)

1

< 0.001

ATSBs added

34.6 (31.5–37.8)

1.9 (1.7–2.0)

Indoor-resting

No ATSBs

3.2 (3.1–3.3)

37.5 (36.4–38.7)

1

< 0.001

ATSBs added

2.0 (1.9–2.1)

1.7 (1.4 -1. 9)

Outdoor-resting

No ATSBs

4.2 (3.9–4.4)

42.9 (40.9–43.6)

1

0.71

ATSBs added

2.4 (2.2–2.6)

1.7 (1.5–1.9)

No vegetation

Indoor-biting risk

No ATSBs

12.8 (11.8–13.9)

46.8 (39.7–55.1)

1

< 0.001

ATSBs added

6.8 (5.3–8.4)

2.1 (1.8–2.4)

Outdoor-biting risk

No ATSBs

79.7 (76.0–83.4)

64.1 (57.0–71.2)

1

< 0.001

ATSBs added

28.6 (21.4–35.9)

5.0 (4.6–5.4)

Indoor-resting

No ATSBs

3.1 (2.9–3.3)

38.7 (36.4–41.2)

1

< 0.001

ATSBs added

1.9 (1.7–2.1)

1.7 (1.4–1.9)

Outdoor-resting

No ATSBs

4.0 (3.9–4.1)

37.5 (36.7–38.5)

1

< 0.001

ATSBs added

2.5 (2.4–2.6)

1.6 (1.4–1.8)