Table 1.

Epidemiological and socioeconomic characteristics in the two study areas

	Bungoma	Kwale County	National average	Source
Helminth infections
STHs combined (%)	49.3	33.6	32.4*	27
Hookworm (%)	44.3	27.7	15.6*	27
Ascaris lumbricoides (%)	28.2	0.8	18.0*	27
Trichuris trichiura (%)	0.8	8.9	6.6*	27
Schistosoma haematobium (%)	non-endemic	17.5	14.8*	27
Wuchereria bancrofti (%)	non-endemic	endemic	endemic in 6 of 47 counties	28
Socioeconomic conditions
Poverty rate (%)†	52.2	72.9	46.6	29
Access to water and sanitation
Improved drinking water (%)	72.1	51.2	55.1	30
Improved sanitation (%)	71.2	34.4	64.9	30
School system
Primary school attendance (%)‡	94.6	87.2	85.6	30
Literacy rate (%)	60.5	66.5	66.4	31
Health system
Full immunisation coverage (%)§	84.4	77.5	83.0	32
Doctors (per 100 000 people)	4	1	7	32
Nurses (per 100 000 people)	37	37	49	32

*Among schools included in the monitoring and evaluation of the national school-based deworming programme.

†Percentage of population living below the Kenya poverty line (Ksh 1562 per person per month in rural areas and Ksh 2913 in urban areas).

‡Percentage of the official primary school-age population that attends primary school.

§Percentage of population that completed 3+ doses of diphtheria, pertussis and tetanus vaccination.

STH, soil-transmitted helminth.