Table 6

Modification effect of water source on association between acute gastrointestinal illness and intensive farming activities (p for interaction term<0.001) in Quebec rural municipalities (weighted n = 6147), Canada, April 2007-April 2008

Municipality water source

OR*

95% CI for OR

p

Community ground water

0.78

0.48-1.25

0.295

Community surface water

1.51

0.97-2.36

0.067

Domestic wells

0.49

0.32-0.74

<0.001

Others

1.02

0.30-3.51

0.962

*Odds ratio for high versus low intensive farming activities adjusted for other risk factors.

Febriani et al. BMC Public Health 2010 10:48   doi:10.1186/1471-2458-10-48