Table 5.

School classification as high, moderate, or low risk for schistosomiasis at different distances from Lake Victoria using WHO cutoffs

	Zone A* (N = 9)			Zone B (N = 12)			Zone C (N = 28)			Agreement†
	High	Moderate	Low	High	Moderate	Low	High	Moderate	Low	Score (under, same, over)
LCA	4	4	1	1	8	3	0	11	17	100 (0, 49, 0)
CCA-1	7	2	0	9	3	0	8	19	1	24.5 (0, 12, 37)
CCA-2	3	6	0	1	11	0	0	18	10	67.3 (3, 33, 13)
First Kato-Katz	1	6	2	1	8	3	0	8	20	73.5 (10, 36, 3)
Multi Kato-Katz	6	3	0	3	8	2	0	14	14	79.6 (1, 39, 9)
ELISA	2	7	0	0	9	3	0	27	1	55.1 (4, 27, 18)

CCA = circulating cathodic antigen; ELISA = enzyme-linked immunosorbent assay; LCA = latent class analysis; WHO = World Health Organization.

^*Zone A includes schools within 1,200 m of the lake, Zone B includes schools located between 1,200 and 3,800 m of the lake, and Zone C includes schools further than 3,800 m from the lake.

^†In comparison to LCA result.