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Proportion of positive boats by date
| Month | No. positive boats | No. sampled | Premise index (%) |
|---|---|---|---|
| Aug. 2013 | 4 | 20 | 20 |
| Oct. 2013 | 4 | 20 | 20 |
| Feb. 2014 | 7 | 20 | 35 |
| Overall | 15 | 60 | 25 |
There were no significant differences in the proportion of boats with positive ovitraps by month (Fisher’s exact test P > 0.5). The premise index describes the number of positive vehicles/number sampled × 100 (Morrison et al. 2006).
