Table 1.

Prevalence of soil-transmitted helminth infections among schoolchildren in Abchikeli and Ayalew Mekonnen Elementary Schools, Durbete town, northwestern Ethiopia, February to March 2010.

Variables	Categories	Number examined	Hookworms positive	A. lumbricoides positive	T. trichiura positive	E. vermicularis positive	H. nana positive	Any helminth
Age in years	5–9	175	32.57	14.29	2.29	0.57	0.57	43.43
	10–14	209	58.85	13.40	2.39	1.44	0.48	64.59
	P value		<0.01	0.80	0.95	0.41	0.90	<0.01
Sex	Male	172	45.35	16.28	2.91	1.16	0.58	55.23
	Female	212	48.11	11.79	1.89	0.94	0.47	54.72
	X 2 (P)		0.3 (0.58)	1.6 (0.21)	0.4 (0.51)	0.1 (0.83)	0.1 (0.88)	0.1 (0.92)
School	Abchikeli	247	62.35	11.74	1.62	1.21	0.81	65.18
	Ayalew Mekonnen	137	18.98	17.52	3.65	0.73	0.00	36.50
	X 2 (P)		66.6 (0.00)	2.47 (0.12)	1.6 (0.21)	0.2 (0.65)	1.12 (0.29)	29.3 (0.00)
Residence	Rural	247	62.35	11.74	1.62	1.21	0.81	65.18
	Urban	137	18.98	17.52	3.65	0.73	0.00	36.50
	X 2 (P)		66.6 (0.00)	2.5 (0.12)	1.6 (0.21)	0.2 (0.65)	1.12 (0.29)	29.3 (0.00)