Skip to main content

Table 6 Calibration results for the children’s age group: demographic and infection data with calibrated model parameters (mean ± SD) for 12 Msambweni villages

From: Refined stratified-worm-burden models that incorporate specific biological features of human and snail hosts provide better estimates of Schistosoma diagnosis, transmission, and control

Villages V1 V2 V3 V4 V5 V6 V7 V8 V9 V10 V11 V12
Population 602 286 189 281 353 638 557 921 944 720 815 803
Prevalence (%) 71 67 52 51 50 49 43 32 27 25 24 23
Mean Intensity 126 170 113 116 126 91 77 78 46 48 49 46
Human FOIa 5.9 ± 1.3 5.6 ± 1.4 4.5 ± 1.6 3.2 ± 1.2 4.1 ± 1.5 4.2 ± 1.6 2.3 ± 0.9 2.1 ± 1.3 1.8 ± 1.1 1.9 ± 1.3 2.3 ± 1.5 1.4 ± 1.0
Maximum fecundity variable, ρ0 25 ± 8 43 ± 11 36 ± 13 44 ± 13 45 ± 13 33 ± 13 36 ± 12 48 ± 15 40 ± 15 45 ± 15 45 ± 15 46 ± 14
Crowding threshold variable, w0 116 ± 47 127 ± 42 118 ± 43 123 ± 43 123 ± 42 118 ± 43 123 ± 43 128 ± 43 125 ± 45 130 ± 45 130 ± 44 129 ± 46
Aggregation 0.03 ± 0.01 0.04 ± 0.02 0.03 ± 0.02 0.05 ± 0.02 0.03 ± 0.02 0.03 ± 0.02 0.06 ± 0.02 0.05 ± 0.03 0.05 ± 0.03 0.04 ± 0.02 0.03 ± 0.02 0.05 ± 0.03
  1. aThe mean rate of worm accumulation per year