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Table 7 Calibration results for adults: 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

508

264

189

247

259

530

472

653

738

456

512

746

Prevalence (%)

33

24

31

23

27

19

14

13

14

7

13

12

Mean Intensity

19

11

30

11

25

6

8

10

7

2

10

6

Human FOIa

1.6 ± 0.6

1.2 ± 0.6

1.6 ± 0.6

1.2 ± 0.6

1.4 ± 0.6

1.0 ± 0.6

0.9 ± 0.7

0.7 ± 0.6

0.8 ± 0.6

0.5 ± 0.6

0.7 ± 0.7

0.7 ± 0.6

Maximum fecundity variable, ρ0

11 ± 5

4 ± 3

11 ± 6

6 ± 4

10 ± 6

5 ± 4

11 ± 6

12 ± 6

8 ± 6

11 ± 7

13 ± 6

11 ± 6

Crowding threshold variable, w0

122 ± 44

122 ± 43

125 ± 43

125 ± 44

124 ± 43

123 ± 44

120 ± 44

120 ± 44

119 ± 44

126 ± 44

122 ± 44

120 ± 44

Aggregation

0.03 ± 0.02

0.05 ± 0.03

0.04 ± 0.02

0.04 ± 0.02

0.04 ± 0.02

0.04 ± 0.03

0.03 ± 0.02

0.04 ± 0.03

0.04 ± 0.03

0.03 ± 0.02

0.03 ± 0.02

0.04 ± 0.02

Pre-adult FOI

3.7 ± 2.3

3.7 ± 2.3

4.0 ± 2.4

3.7 ± 2.3

3.8 ± 2.4

3.7 ± 2.2

3.7 ± 2.3

3.8 ± 2.3

3.8 ± 2.3

3.3 ± 2.2

3.9 ± 2.3

3.8 ± 2.3

  1. aThe mean rate of worm accumulation per year