Table 1. Sample size, number of infections and infection intensities by experiment and parasite based on the first Kato-Katz thick smear.

			Kato-Katz storing experiment				Whole sample storing experiment		Homogenizing experiment
			Room		Refrigerator
			n	%	n	%	n	%	n	%
Total samples			92	100	92	100	340	100	56	100
Total infections with
	Hookworm		67	72.8	62	67.4	259	76.2	28a	50.0
	Ascaris lumbricoides		38	41.3	38	41.3	163	47.9	19a	33.9
	Trichuris trichiura		85	92.4	85	92.4	313	92.1	52a	92.9
Single infections
	Hookworm		6		3		18		0
	Ascaris lumbricoides		0		0		7		1
	Trichuris trichiura		15		17		31		10
Co-infections
	Hookworm- Ascaris lumbricoides		0		0		2		0
	Hookworm- Trichuris trichiura		32		30		128		26
	Ascaris lumbricoides—Trichuris trichiura		9		9		43		7
	All 3 parasites		29		29		111		12
Infection intensities
	Hookworm
		Light	65	97	59	95.2	246	95	23	81.9
		Moderate	1	1.5	2	3.2	11	4.2	3	10.7
		Heavy	1	1.5	1	2.6	2	0.8	2	7.4
	Ascaris lumbricoides
		Light	14	36.8	15	39.5	62	38	3	15.8
		Moderate	24	63.2	23	60.5	81	49.7	14	73.7
		Heavy	0	0	0	0	20	12.3	2	10.5
	Trichuris trichiura
		Light	50	58.8	55	64.7	200	63.9	23	44.1
		Moderate	35	41.2	29	34.1	111	35.5	28	53.9
		Heavy	0	0	1	1.2	2	0.6	1	2

a Only samples with fecal egg counts of at least five at the first measurement were included.