Table 1.

The prevalence and infection intensity by means of faecal egg counts (FEC) across 14 schools in Jimma Town, Ethiopia, 2 sexes, 3 age classes and 2 seasons

	N	STH (%)	A. lumbricoides		T. trichiura		Hookworms
			Prevalence (%)	Mean FEC (EPG)	Prevalence (%)	Mean FEC (EPG)	Prevalence (%)	Mean FEC (EPG)
School
1	120	29.2	12.5	555	20.0	63	0	0
2	120	16.7	6.7	436	10.8	18	0.8	1
3	120	57.5	30.0	1,983	40.8	192	9.2	42
4	119	26.9	6.7	317	26.1	77	0.8	5
5	120	62.5	35.8	4,138	42.5	334	20.8	60
6	120	65.0	27.5	2,055	52.5	532	5.8	37
7	120	54.2	22.5	2,840	37.5	218	12.5	52
8	120	68.3	39.2	3,242	55.0	262	6.7	10
9	120	60.0	33.3	1,875	34.2	315	28.3	50
10	120	60.0	33.3	4,926	41.7	225	15.8	43
11	120	51.7	26.7	1,892	38.3	290	7.5	25
12	120	55.0	17.5	705	41.7	158	12.5	35
13	121	55.4	28.9	1,550	34.7	143	17.4	51
14	120	24.2	7.5	612	20.8	72	0	0
Sex
Female	782	50.0	23.3	1,908	34.5	199	10.1	31
Male	898	48.2	23.6	1,968	36.3	214	9.7	28
Age Class
A	539	47.7	26.0	2,884	37.1	305	5.8	17
B	603	47.6	21.2	1,727	35.2	177	10.1	31
C	538	52.0	23.4	1,228	34.2	143	13.8	40
Season
Dry	840	52.4	23.8	2,411	39.2	295	11.4	35
Rainy	840	45.7	23.1	1,465	31.8	119	8.3	23
Total	1,680	49.0	23.5	1,938	35.5	207	9.9	29

14 school; 2 sexes; 3 age classes; and 2 seasons