Table 1.
Descriptive statistics of field observations of parasite infection prevalence, mosquito density, and malaria incidence (calculated based on active case surveillance)
| Items | Survey month/year | Sample size (95% CI) |
|---|---|---|
| Asymptomatic malaria infection (individuals, PCR prevalence %) | June 2019 | 3,514 (12.3 ± 3.4) |
| November 2019 | 3,933 (26.3 ± 4.1) | |
| Indoor-resting mosquito pyrethrum spraying collection (house-nights, density in females/house) | July 2019 | 720 (0.65 ± 0.27) |
| January 2020 | 848 (0.52 ± 0.18) | |
| Larval breeding habitat (habitats, abundance in larvae/10 dips) | July 2019 | 1,134 (3.03 ± 0.56) |
| March 2020 | 715 (0.82 ± 0.15) | |
| Water ponds* | 208 (n.a.)* | |
| Malaria incidence (visits, incidence rate in cases/1,000 people/year) | January–April 2020 | 45,791 (351.2 ± 61.5) |
n.a. = not available.
Large water pond identified from satellite image and larval density not available.