Table 3.

Evaluation of clustering of HCV seropositivity within houses that participated in the schistosomiasis treatment campaigns, Kalama, Egypt 1995.

	Houses with treatmenta	Houses with no treatmentb
Number of Houses	36	132
HCV infections	94	227
Odds Ratio for Clustering	1.76	1.37
95% Confidence Interval	1.05 – 2.95c	0.92 – 2.05d

^aHouses that had one or more members reporting a diagnosis of schistosomiasis and having received treatment with injections ^b Houses with no member being treated with injections for schistosomiasis ^c p = 0.03 ^d p = 0.12