Table 3.
Statistical significance of the impact of household livestock ownership on the abundance of indoor host seeking mosquitoes and malaria vector species composition across the three years of the study
| Trait | Species | 2007 | 2008 | 2009 | |||
|---|---|---|---|---|---|---|---|
| Dev | P | Dev | P | Dev | P | ||
| Mean abundance | |||||||
| CDC light trap indoor | An. gambiae s.l | 2.16 | 0.14 | 1.30 | 0.26 | 2.49 | 0.11 |
| An. funestus s.l. | 4.67 | 0.03 | 1.41 | 0.26 | 1.37 | 0.24 | |
| Species Composition | CDC light trap | 8.33 | <0.01 | 55.25 | <0.001 | 0.15 | 0.70 |
| Outdoor resting | 1.18 | 0.28 | 4.30 | 0.04 | 8.54 | <0.01 | |
| Indoor resting | 1.12 | 0.29 | 0.65 | 0.42 | 3.39 | 0.07 | |
The abundance of host seeking mosquitoes (per night) was measured by CDC light traps placed indoors. Species composition refers to the proportion of An. arabiensis within the An. gambiae s.l. species complex. “Dev” = Deviance, and P values are for the significance of the statistical comparison between households with and without livestock.