Table 2. Entomological indicators mean culex and An.gambiae s.l. per house, sporozoite rate and entomological inoculation rate, in baseline year.
ITN arm | ITN + IRS arm | |||||
---|---|---|---|---|---|---|
Outcome | Total Houses | Mean | [95%CI] | Total Houses | Mean | [95%CI] |
Mean Culex/house/night | 1055 | 3.8 | [2.3–6.1] | 1120 | 2.7 | [1.8–4.1] |
Mean An. gambiae s.l/house/night | 1055 | 3.1 | [1.0–9.6] | 1120 | 2.2 | [0.5–9.1] |
EIR/house/month 1 | 1 | [0.4–2.8] | 1.3 | [0.4–4.4] | ||
Total Anopheles tested | % | [95%CI] | Total Anopheles tested | % | [95%CI] | |
Proportion An. Arabiensis 2 | 1018 | 22.1% | [16.9–28.3] | 1452 | 14.1% | [10.5–18.5] |
Sporozoite rate 2 | 1359 | 1.1% | [0.8–1.4] | 1466 | 2.0% | [1.4–2.7] |
1Entomological Inoculation Rate per month per house per month = Infectious bites per month calculated as SR*Anopheles density*30 day
2 weighted by the inverse of the sampling fraction