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. Author manuscript; available in PMC: 2009 Sep 28.

Published in final edited form as: Geospat Health. 2007 Nov;2(1):85–96. doi: 10.4081/gh.2007.257

Table 1.

Comparison of demographic factors associated with S. mansoni and hookworm single and mono-infections

Feature	Schistosoma mansoni				Hookworm
	Number (%) of children	School range (%)	χ ²	P-value	Number (%) of children	School range (%)	χ ²	P-value
Single infection
Sex
Male	980 (63.6)	0-96.4			1079 (69.7)	9.5-87.2
Female	562 (36.4)	0-93.3	11.09	0.001	470 (30.3)	9.1-65	97.38	<0.001
Age (years)
6-10	791 (51.3)	0-95			809 (52.2)	0-73.3
11-16	751 (48.7)	0-96.3	12.42	<0.001	740 (47.8)	7.7-86.7	6.56	0.010
Mono-infection
Sex
Male	489 (56.7)	0-69			588 (67.7)	0-72.3
Female	373 (43.3)	0-76	6.49	0.011	281 (32.3)	0-55.9	25.15	<0.001
Age (years)
6-10	450 (52.2)	0-61.4			468 (53.9)	0-71.2
11-16	412 (47.8)	0-76.9	2.78	0.095	401 (46.1)	0-77.3	0.306	0.580