Table 2.

Day-to-day variation in the results of the Kato-Katz stool examination technique for Ascaris, hookworm and Trichuris among participants who provided at least two stool samples.

Variation in results	Helminth species
	Ascaris	Hookworm	Trichuris
Number of negative participants without any change in status (%)	2,298 (56.9)	2607 (64.5)	1,353 (33.5)
Number of positive participants without any change in status (%)	1,390 (34.4)	385 (9.5)	1,980 (49.0)
Number of participants with at least one change in status (%)	354 (8.8)	1,050 (26.0)	709 (17.5)
From initial positive to negative (%)	158 (3.9)	500 (12.4)	376 (9.3)
From initial negative to positive (%)	196 (4.9)	550 (13.6)	333 (8.2)
Total (%)	4,042 (100.0)	4,042 (100.0)	4,042 (100.0)