Current Status of Schistosoma mansoni Infections and Associated Risk Factors among Students in Gorgora Town, Northwest Ethiopia

Table 3

Association of S. mansoni infection with open water sources contact habit of students (𝑛=579) of Gorgora Elementary School, Northwest Ethiopia, October 2010-November 2010.

Risk factors	Positive for S. mansoni no. (%)	𝑃 value	COR (95% CI)	AOR (95% CI)
Swimming in open water
Yes	116 (20.03)	0.00	4.51 (1.38, 14.73)	4.51 (1.38, 14.73)
No	3 (0.52)		1.00	1.00
Washing clothes in open water
Yes	117 (20.20)	0.00	15.89 (3.86, 65.40)	15.89 (3.86, 65.40)
No	2 (0.35)		1.00	1.00
Washing utensil in open water
Unprotected	79 (13.64)	0.95	1.88 (1.23, 2.86)	2.076 (1.19, 3.62)
Protected	40 (6.91)		1.00	1.00
Bare foot on agricultural activities
Yes	100 (17.27)	0.04	4.7 (2.78, 7.93)	7.08 (3.82, 13.12)
No	19 (3.28)		1.00	1.00
Awareness of bilharzia
No	114 (19.69)	0.00	20.36 (8.16, 0.78)	20.36 (8.16, 50.78)
Yes	5 (0.86)		1.00	1.00
Frequency of swimming/open water, contact habits
Daily	103 (17.79)	0.03	2.02 (1.15, 3.57)	2.02 (1.15, 3.57)
Weekly	16 (2.76)		1.00	1.00
Overall	119 (20.55)