Table 3.
Characteristic | No. with available data | No. with Aedes aegypti (%) | Crude OR (95 % CI) | Adjusted OR (95 % CI) |
---|---|---|---|---|
Organic matter | ||||
No organic matter | 22 | 3 (13.6) | 1 | |
With organic matter | 96 | 15 (15.6) | 1.2 (0.3–4.5) | |
Shade | ||||
No shade | 64 | 9 (14.0) | 1 | |
Indirect shade | 37 | 5 (13.5) | 1.0 (0.3–3.1) | |
Direct shade | 17 | 4 (23.5) | 1.9 (0.5–7.1) | |
Turbidity of watera | ||||
No turbid | 61 | 7 (11.5) | 1 | |
Turbid | 47 | 11 (23.4) | 2.4 (0.8–6.7) | |
Water odora | ||||
No odor | 51 | 10 (19.6) | 1 | |
With odor | 59 | 8 (13.6) | 0.6 (0.2–1.8) | |
Non-Aedes mosquitoesb | ||||
Absent | 87 | 5 (5.8) | 1 | 1 |
Present | 31 | 13 (41.8) | 11.8 (3.8–37.4) | 7.8 (2.3–25.8) |
Water volumea | ||||
≤ 40 l | 57 | 14 (24.6) | 1 | |
> 40 l | 58 | 4 (6.9) | 0.2 (0.1–0.7) | |
Precipitation during the previous 7 days | ||||
≤ 50 mm | 53 | 15 (28.3) | 1 | 1 |
> 50 mm | 65 | 3 (4.6) | 0.1 (0.0–0.5) | 0.2 (0.1–0.8) |
aData on water turbidity, odor and volume were not collected for 10, 10 and 3 storm drains, respectively
bNon-Aedes mosquitoes: includes adult mosquitoes and immatures