Table 3.

Fixed parameters and data sources in the Water Chlorination Model for children under five

Parameter	Input	Source
Protective effectiveness of chlorinated, point-of-use water treatment products	47%	Clasen et al., 2006 [21]
Wastage rate of household water treatment products	15%	Communication with PSI water treatment technical experts
Liters of water treated per unit of product:		Product usage guidelines
• Safe water solution (various brand names)	1000
• PUR	10
• Aquatabs	20
Liters of water per person per day for drinking and cooking in households with unpiped water	3	Tumwine et al., 2002 [19]; Thompson et al., 2003 [20]
Duration of diarrhea episodes (years)	0.03	Lopez et al., 2006 [17]
Disability weight of diarrhea episodes	0.105	Mathers et al., 2006 [18]
Age at death from diarrheal disease for children under five (years)	1.8	Calculated based on IMR, U5MR and proportion of under-five deaths due to diarrhea from: WHO, 2007 [37]; Black et al., 2010 [38]
Life expectancy (years)	83.1	WHO, 2011 [35]