Table 4 Multilevel mixed-effects Poisson regression on P. falciparum infections in early MDA village and compared with deferred-MDA village during tri-monthly follow-up after MDA
Characteristics | IRR (95% CI) | p-value | Model 1: MDA intervention Adjusted IRR (95% CI)a | p-value | Model 2: MDA coverage Adjusted IRR (95% CI)a | p-value |
|---|---|---|---|---|---|---|
Intervention | ||||||
MDA | 0.08 (0.01–0.88) | 0.039 | 0.08 (0.01–0.91 | 0.042 | ||
Non-MDA | Reference | Reference | ||||
Coverage | ||||||
MDA completed 3 rounds | 0.06 (0.01–0.64) | 0.020 | 0.06 (0.01–0.066) | 0.022 | ||
MDA completed 1 and 2 rounds | 0.11 (0.01–1.74) | 0.118 | 0.11 (0.01–1.70) | 0.114 | ||
MDA not completed in a single round/No MDA | 0.50 (0.04–6.27) | 0.591 | 0.52 (0.04–6.47) | 0.611 | ||
Non-MDA | Reference | Reference | ||||
Gender | ||||||
Male | 1.00 (0.72–1.39) | 0.990 | 1.01 (0.73–1.39) | 0.963 | 1.03 (0.74–1.41) | 0.878 |
Female | Reference | Reference | Reference | |||
Age in year | 0.99 (0.98–1.00) | 0.088 | 0.99 (0.98–1.00) | 0.087 | 0.099 (0.98–1.00) | 0.089 |
Fever | 0.91 (0.50–1.67) | 0.759 | ||||
Bed net use | ||||||
Regular | Reference | |||||
Irregular | 1.07 (0.80–1.43) | 0.646 | ||||
Never use | 1.10 (0.58–2.07) | 0.775 | ||||
Season | ||||||
Wet | 1.04 (0.84–1.28) | 0.725 | 1.04 (0.84–1.28) | 0.724 | 1.05 (0.85–1.29) | 0.667 |
Dry | Reference | Reference | Reference | |||