Table 4 Factors influencing the presence of larvae and/or pupae of Aedes aegypti and Aedes albopictus in the larval habitat
Factor | Modality | Ae. aegypti | Ae. albopictus | ||
|---|---|---|---|---|---|
OR | 95% CI | OR | 95% CI | ||
Neighbourhood location | Downtown | Ref | Ref | Ref | Ref |
Suburb | 0.12*** | 0.071–0.22 | 1.37 | 0.84–0.29 | |
Rural | 0.11*** | 0.03–0.30 | 0.52 | 0.19–1.29 | |
Container types | Axils of plants | Ref | Ref | Ref | Ref |
Discarded tanks | 3.75 × 106 | 1.73 × 10−206–na | 5.05 × 10−8 | na–1.15 × 10205 | |
Flower-pots | 5.32 × 106 | 3.55 × 10−206–na | 4.85 × 10−8 | na–8.87 × 10204 | |
Miscellaneous | 2.21 × 106 | 1.66 × 10−206–na | 3.20 × 10−8 | na–5.65 × 10204 | |
Storage tanks | 1.48 × 106 | 7.58 × 10−207–na | 1.09 × 10−8 | na–1.83 × 10204 | |
Used tyres | 8.77 × 105 | 8.72 × 10−207–na | 5.59 × 10−8 | na–1.14 × 10205 | |
Container colour | Dark | Ref | Ref | na | na |
Light | 0.62 | 0.21–1.94 | na | na | |
Transparent | 0.25* | 0.07–0.94 | na | na | |
Water quality | Clear | Ref | Ref | Ref | Ref |
Turbid | 2.38** | 1.29–4.41 | 2.06** | 1.20–3.53 | |
Polluted | 1.69 × 10−7 | na–9.71 × 1020 | 1.99 × 10−7 | na–2.03 × 1023 | |
Water source | Tap | na | na | 2.49 | 1.01–6.74 |
Rain | na | na | Ref | Ref | |
Presence of surrounding vegetation | Yes | 2.89*** | 1.59–5.44 | 2.97*** | 1.77–5.08 |
No | Ref | Ref | Ref | Ref | |
Distance to nearest building | 0–5 m | na | na | Ref | Ref |
5–10 m | na | na | 0.57 | 0.29–1.08 | |