Table 2.

Demographic and biological parameters used for Stratified Worm Burden systems

Parameters	Name	Value
a. Demographic parameters for chldren (0–8 year), SAC (9–12 year) and adults (13+ year) for Mozambique
Host turnover rates
Child	μ C = τ C + δ C (maturation + mortality)	0.13 + 0.01/year [34]
SAC	μ S = τ S + δ S (maturation + mortality)	0.33 + 0.02/year [34]
Adult	μ A (mortality)	0.026/year [34]
Demographic sources
Child	S C = {b C, 0, 0, …}; per capita birth rate	b C = 0.04/year [34]
SAC	S S = τ C{h C0, h C1, …}
Adult	S A = τ S{h S0, h S1, …}
Mean daily urine release
Child		U C = 700 mLa
SAC		U S = 1100 mLa
Adult		U A = 1300 mL [43]
b. Demographic parameters for chldren (0–20 year) and adults (20+ year) in Kenya
Host turnover rates
Child	μ C = τ + δ C (maturation + mortality)	0.05 + 0.003/year [34]
Adult	μ A (mortality)	0.02 − 0.03/year [34]
Demographic sources
Child	S C = {b C, 0, 0, …}; per capita birth rate	b C = 0.032/year [34]
Adult	S A = τ{h C0, h C1, …}
Mean daily urine release
Child		U C = 1100 mLa
Adult		U A = 1300 mL [43]
c. Snail parameters
Snail mortality	ν S	2.6/yearb
Worm mortality	γ	0.2/year [44]
Recovery/conversion rate	r	¼ weeksb
Patency conversion fraction	c	0.05–0.2c

^afrom http://www.thepostnatal.com/2011/06/urine-output-at-different-ages/

^bfrom [23, 25] and Kariuki et al., unpublished data

^cbased on results of snail data calibration