Table 2. Descriptive statistics of malaria vector biting rates at baseline.
Biting rate | Parameter | Parameter estimate in the indicated village | |||
KM-500 | KP-506 | MK-509 | SP-513 | ||
indoor HBR (in bites/person/night) | p (in %) a | 52 | 16 | 68 | 80 |
minimum | 0 | 0 | 0 | 0 | |
10th percentile | 0 | 0 | 0 | 0 | |
median | 1 | 0 | 2 | 3 | |
mean | 1.28 | 0.2 | 2.12 | 9.96 | |
90th percentile | 2.6 | 1 | 4.6 | 30.8 | |
maximum | 12 | 2 | 10 | 38 | |
outdoor HBR in bites /person/night) | p (in %) | 52 | 64 | 92 | 96 |
minimum | 0 | 0 | 0 | 0 | |
10th percentile | 0 | 0 | 1 | 1.4 | |
median | 1 | 1 | 5 | 17 | |
mean | 1.24 | 1.72 | 10.68 | 29.16 | |
90th percentile | 2 | 4 | 25.8 | 83 | |
maximum | 9 | 7 | 42 | 125 | |
CBR (in bites/cow/night) | p (in %) | 100 | 100 | 100 | 100 |
minimum | 3 | 14 | 26 | 13 | |
10th percentile | 5 | 16.4 | 26.4 | 20.2 | |
median | 13 | 28 | 38 | 40 | |
mean | 12.2 | 26 | 50.4 | 34.6 | |
90th percentile | 19.4 | 34.8 | 80.6 | 45 | |
maximum | 23 | 38 | 81 | 47 |
Abbreviations: CBR, cow-biting rate; HBR, human-biting rate.
a p, proportion of catches with positive counts of malaria vectors expressed as a percentage. Only the specimens in the Funestus, Maculatus and Leucopshyrus Groups were taken into account for parameter estimations.