Table 2.

Itemized costs of conducting school surveys of soil-transmitted helminth infections in Kenya^*

Cost type	Unit	Unit cost (US$)	Units required
Equipment	Microscopes	367.34	2
	Stool sieves	23.15	6
	Slide boxes	3.09	1
	Jerry cans	1.44	2
	Pencils	0.96	5
	Tally counters	8.62	4
	Buckets	0.96	2
	Wash basins	0.96	2
Salaries (fixed)†	Supervisor	28.57	4
	Technician	14.29	4
	Cleaner	7.14	4
Salaries (variable)‡	Technician	14.29	0–8
Consumables (fixed)§	Disposable gloves	5.00	0.8
	Bin bags	5.71	0.8
	Liquid soap	7.14	0.8
	Paper towels	2.14	4
Consumables (variable)¶	Kato-Katz kits	0.3	45–270
	Stool pots	0.05	45–270
	Wooden spatula	0.03	45–270
	Microscope slides	0.05	45–270
	Questionnaires	0.06	45–270
	Marker pens	4.00	0.8
	Biros	2.00	0.8
Transport#	Fuel and maintenance (per km)	1.43	300

^*The number of units required for one district using four schools are shown with ranges according to 10–60 children per school.

^†Fixed cost per day.

^‡Variable cost dependent on number of children.

^§Fixed cost per day.

^¶Variable cost dependent on number of children.

^#Assumes an average distance of 75 km/day.