Table 4. Prevalence and intensity of hookworm and S. mansoni infection by age and sex in 2009 and 2015.

		Hookworm
		2009a						2015b
		Girlsi		Boysi		All children		Girlsi		Boysi		All children
		N = 6664		N = 9751		N = 16415		N = 7932		N = 8955		N = 16887
Age in years		Prevalenceg	EPGc	Prevalenceg	EPGg	Prevalenceg	EPGg	Prevalenceg	EPG	Prevalenceg	EPGg	Prevalenceg	EPGg
	6	22.4%	536	26.5%	444	24.7%	480	5.4%	292	9.3%	239	7.4%	259
	7	23.1%	467	29.5%	536	26.9%	511	7.6%	161	10.3%	307	8.9%	244
	8	28.5%	494	37.0%	668	33.4%	605	8.4%	244	12.3%	301	10.4%	279
	9	31.22%	449	44.2%	684	39.4%	616	9.5%	297	15.2%	343	12.7%	327
All ages		26.5%	481	35.3%	617	31.7%	570	8.6%	258	13.3%	323	11.1%	299
		Schistosoma mansoni
		2009d						2015e
		Girlsj		Boysj		All children		Girls		Boys		All children
		N = 6667		N = 9749		N = 16416		N = 7919		N = 8947		N = 16866
Age in years		Prevalence	EPG	Prevalence	EPG	Prevalence	EPG	Prevalenceg	EPGg	Prevalenceg	EPGg	Prevalenceg	EPGg
	6	2.8%	200	3.8%	222	3.3%	213	0.2%	24	0.2%	24	0.2%	24
	7	2.9%	242	3.5%	264	3.2%	257	0.5%	236	0.7%	84	0.6%	141
	8	2.5%	281	3.7%	194	3.2%	225	0.6%	291	0.4%	102	0.5%	210
	9	3.3%	294	3.8%	525	3.6%	445	0.9%	174	1.2%	150	1.1%	159
All ages		2.9%	260	3.6%	305	3.4%	289	0.7%	213	0.8%	132	0.8%	166
		Schistosoma haematobium
		2009d						2015f
		Girlsj		Boysj		All children		Girls		Boys		All children
		N = 6666		N = 9750		N = 16416		N = 7880		N = 8903		N = 16783
Age in years		Prevalenceh	EPGh	Prevalenceh	EPGh	Prevalenceh	EPGh	Prevalenceh	EPGh	Prevalenceh	EPGh	Prevalenceh	EPGh
	6	15.6%	—	13.6%	—	14.5%	—	3.5%	433	3.4%	42	3.5%	210
	7	19.5%	—	19.5%	—	19.5%	—	4.6%	108	4.7%	47	4.6%	66
	8	19.9%	—	22.8%	—	21.6%	—	4.6%	94	4.3%	489	4.4%	328
	9	19.9%	—	24.6%	—	22.9%	—	3.9%	66	4.2%	102	4.1%	84
All ages		19.0%	—	20.9%	—	20.3%	—	4.2%	146	4.2%	178	4.2%	165

^aData on sex or age are missing for 25 children. Data from Binah district are not included as individual-level data were not available.

^bData on infection status are missing for 3 children.

^cIn all instances, EPG = mean number of eggs per gram of stool among those children who are infected. For S. haematobium, urine filtration and egg counts were performed for a subset of participants (see Table 3).

^dData on sex, age or infection status are missing for 24 children. Data from Binah district are not included.

^eData on infection status are missing for 24 children.

^fData on infection status are missing for 107 children.

^gP<0.001 for trend with age.

^hP<0.01 for trend with age.

ⁱP<0.001 for prevalence of hookworm infection in girls versus boys, in both 2009 and 2015.

^jP<0.01 for prevalence of S. mansoni infection in girls versus boys and for prevalence of S. haematobium infection in girls versus boys, in 2009 only