Table 2.

Association between questionnaire responses and Schistosoma mansoni infection in young children at baseline, 6 months, and 12 months^*

Questionnaire response	Baseline		6 months		12 months
	OR (95% CI)	P	OR (95% CI)	P	OR (95% CI)	P
Abdominal pain	1.5 (0.8–2.7)	0.17	0.7 (0.3–1.4)	0.32	0.4 (0.2–0.6)	< 0.0001
Diarrhea	2.9 (1.5–5.6)	< 0.001	0.6 (0.3–1.4)	0.26	0.7 (0.4–1.3)	0.24
Blood in feces	1.4 (0.6–3.1)	0.39	1.2 (0.3–4.1)	0.82	1.3 (0.6–2.9)	0.51

^*OR = odds ratio; CI = confidence interval.