Table 2.

Summary of STH surveys in Kenya from 2012 to 2017.

			Mean number of eggs per gram (epg)			Prevalence (%)
Survey year	# Schools	# Examined	Min	Max	Mean	Min	Max	Mean
Year 1
PSAC	44	273	0	18018	1645.9	0	100	28.0
SAC	60	5938	0	8450	1717.5	0.9	61.7	33.5
Adults	51	201	0	14868	983.2	0	100	29.8
Overall	60	6412	0	18018	1455.0	0	100	30.7
Year 2
PSAC	32	109	0	8736	1245.8	0	100	16.9
SAC	60	6133	0	4829	1090.5	0	51.9	18.7
Adults	47	118	0	24024	914.3	0	100	18.6
Overall	60	6360	0	24024	1066.7	0	100	18.3
Year 3
PSAC	28	102	0	4776	627.1	0	100	12.6
SAC	60	6029	0	5295	917.2	0	55.2	16.2
Adults	37	121	0	2754	255.8	0	100	15.8
Overall	60	6252	0	5295	656.4	0	100	15.2
Year 4
PSAC	22	66	0	16002	1814.6	0	100	22.9
SAC	60	6025	0	9009	1210.9	0	58.2	15.8
Adults	27	97	0	1074	87.0	0	100	11.2
Overall	60	6188	0	16002	1054.3	0	100	16.1
Year 5
PSAC	22	80	0	2523	279.2	0	100	9.7
SAC	60	6074	0	5873	937.2	0	67.9	13.5
Adults	34	84	0	9288	745.5	0	100	11.1
Overall	60	6238	0	9288	756.3	0	100	12.1

The surveys were conducted through the Kenyan national school-based deworming program which targeted school going children. Pre-school children and adults were essentially surveyed only when they presented themselves to the nearest participating school.