Intestinal Schistosomiasis among Primary Schoolchildren in Two On-Shore Communities in Rorya District, Northwestern Tanzania: Prevalence, Intensity of Infection and Associated Risk Factors

Table 3

Prevalence and intensity of S. mansoni by history of clinical morbidity and treatment history.

Variable	No examined	Prevalence	P value	GM-epg (95% CI)	P value
Had blood in stool in the past two weeks
Yes	59	51 (86.44)	0.714^†	172.12 (149.69–197.91)	0.8318
No	429	363 (84.62)		179.61 (126.41–255.22)
Stomach pain in the past two weeks (488)
Yes	286	255 (89.16)	0.002^†	129.92 (103.46–163.14)	<0.001
No	202	159 (78.71)		206.88 (177.72–240.82)
Had bloody diarrhoea in the past two weeks
Yes	51	40 (78.43)	0.178^†	169.16 (147.42–194.10)	0.2936
No	437	374 (85.58)		213.80 (145.78–313.56)
Had blood in stool, stomach pain, and bloody diarrhoea in the past two weeks
Yes	8	6 (75.00)	0.436^†	171.68 (150.67–195.61)	0.7436
No	479	407 (84.97)		205.55 (57.16–739.1%)
Ever been treated for intestinal schistosomiasis
Yes	217	197 (90.78)	<0.001^†	159.92 (133.77–191.20)	0.4924
No	251	206 (82.07)		187.22 (154.25–227.23)
I do not know	20	11 (55.00)		162.04 (73.77–355.94)

 values = -test^†, -test, and ANOVA.