Table 2.
Factors associated with the presence and absence of anopheline and culicine larvae during the 2005, 2006, and 2007 rainy seasons
| Factors | Odds ratio | 95% Wald CI |
P | |
|---|---|---|---|---|
| Low | High | |||
| Anophelines | ||||
| Intervention | ||||
| Nonsprayed | 1.00 | – | – | – |
| Sprayed | 0.38 | 0.24 | 0.59 | <0.001 |
| T. guineensis | ||||
| Absent | 1.00 | – | – | – |
| Present | 1.12 | 0.87 | 1.44 | 0.36 |
| Percent vegetation cover | 1.01 | 1.01 | 1.02 | <0.001 |
| Sampling month | 0.96 | 0.92 | 1.00 | 0.05 |
| Distance from floodplain edge | 1.00 | 1.00 | 1.00 | 0.85 |
| Culicines | ||||
| Intervention | ||||
| Nonsprayed | 1.00 | – | – | – |
| Sprayed | 0.26 | 0.17 | 0.38 | <0.001 |
| T. guineensis | ||||
| Absent | 1.00 | – | – | – |
| Present | 0.62 | 0.45 | 0.84 | 0.002 |
| % vegetation cover | 1.01 | 1.00 | 1.02 | 0.03 |
| Sampling month | 1.01 | 0.98 | 1.04 | 0.43 |
| Distance from floodplain edge | 1.00 | 1.00 | 1.00 | 0.95 |
Only those variables identified as significant by the CCA were included in the model. Significant values following Bonferonni correction in bold (Bonferonni significance level, P≤0.025).
CI, confidence interval.