|
Village setup
|
|
Humans per household
|
humans-per-hh
|
Poisson
|
3.89
|
3.32
|
4.94
|
RST
|
|
Proportion of households raising pigs
|
prop-pig-owners
|
Binomial
|
0.49
|
0.25
|
0.75
|
|
Pigs per pig-raising household
|
pigs-per-hh
|
Exponential
|
2.44
|
1.74
|
4.21
|
|
Corral prevalence among pig-owner households
|
prop-corrals
|
Binomial
|
0.5
|
0.23
|
0.92
|
|
Latrine prevalence
|
prop-latrines
|
Binomial
|
0.64
|
0.19
|
0.97
|
|
Pig trade
|
|
Pig slaughter age (median)
|
slaughter-age
|
Log-normal
|
9.8 months
|
9.5
|
10.0
|
RST
|
|
Proportion of pigs sold prior to slaughter
|
pigs-sold
|
Binomial
|
0.51
|
0.33
|
0.75
|
HH
|
|
Proportion of sold pigs exported
|
pigs-exported
|
Binomial
|
0.73
|
0.34
|
1
|
HH
|
|
Rate of pigs imported from endemic areas (imports/pig/week)
|
pig-import-rate
|
Uniform
|
0.00105
|
0
|
0.00384
|
HH
|
|
Prevalence of cyst infection among imports
|
import-prev
|
Binomial
|
0.134
|
0
|
0.3
|
[18]
|
|
Proportion of infected imported pigs with light cyst burden
|
light-to-heavy
|
Binomial
|
0.76
|
0.5
|
1
|
[18]
|
|
Pork consumption
|
|
Proportion of pork consumed by owner
|
hh-only-pork
|
Binomial
|
0.40
|
0.22
|
0.71
|
HH
|
|
Proportion of pork sold after slaughter
|
sold-pork
|
Binomial
|
0.12
|
0
|
0.5
|
HH
|
|
Proportion of shared pork eaten by owner
|
shared-pork-hh
|
Binomial
|
0.8
|
0
|
0.84
|
HH
|
|
Human infection
|
|
Incubation time to reach tapeworm maturity
|
tn-incubation
|
Fixed
|
8 weeks
|
-
|
-
|
[27, 28]
|
|
Tapeworm lifespan (mean, SD = 1 year)
|
tn-lifespan
|
Normal
|
2 years
|
0.5
|
4
|
|
Travel
|
|
Proportion of households with a frequent traveler
|
traveler-prop
|
Binomial
|
0.42
|
0.24
|
0.65
|
HH
|
|
Frequency of travel to other endemic areas (every × weeks)
|
travel-freq
|
Uniform
|
8 weeks
|
5
|
16
|
HH
|
|
Duration of travel
|
travel-duration
|
Exponential
|
1.75 weeks
|
0.84
|
3.36
|
HH
|
|
Incidence of T. solium taeniasis during travel (risk/person/week)
|
travel-incidence
|
Uniform
|
0.00023
|
0.00004
|
0.002
|
[18]
|
|
Open defecation
|
|
Latrine-use (prop. of households that “always” use latrine)
|
latrine-use
|
Binomial
|
0.25
|
0
|
0.86
|
GPS
|
|
Radius of environmental contamination (median, meters from home)
|
cont-radius
|
Log-normal
|
26 meters
|
23
|
30
|
GPS
|
|
Rate of egg decay in environment (mean survival duration)
|
decay-mean
|
Exponential
|
8 weeks
|
1
|
26
|
[29]
|
|
Foraging
|
|
Proportion of pig households with corrals that “always” corral pigs
|
corral-always
|
Binomial
|
0.05
|
0
|
0.39
|
GPS
|
|
Proportion of pig households with corrals that “sometimes” corral pigs
|
corral-sometimes
|
Binomial
|
0.57
|
0.25
|
0.61
|
|
Proportion of pigs in “sometimes”-corral-households that are corralled
|
prop-corral-some
|
Binomial
|
0.32
|
0.15
|
0.44
|
|
Radius of pig roaming “home-range” (median)
|
home-range
|
Log-normal
|
44 meters
|
30
|
96
|
|
Tuning parametersa
|
|
Probability of human taeniasis upon slaughter of lightly infected pig
|
pl2h
|
Binomial
|
0.0163
|
0.03
|
0.4
|
CAL
|
|
Probability of human taeniasis upon slaughter of heavily infected pig
|
ph2h
|
Binomial
|
0.0046
|
0.003
|
0.04
|
|
Probability of light cyst infection upon contact with T. solium eggs
|
light-inf
|
Binomial
|
0.0074
|
0.003
|
0.02
|
|
Probability of heavy cyst infection upon contact with T. solium proglottids
|
heavy-inf
|
Binomial
|
0.0059
|
0.003
|
0.02
|
|
Probability of exposure to T. solium eggs per human with taeniasisb
|
light-all
|
Binomial
|
0.0141
|
0
|
0.05
|
|
Probability of exposure to T. solium proglottids per human with taeniasisb
|
heavy-all
|
Binomial
|
0.0182
|
0
|
0.05
|
