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. 2003 Mar 7;3:11. doi: 10.1186/1471-2458-3-11

Table 3.

Multivariate model with water and univariately significant composite variables

*EXPOSURE*	ALL CONTROLS			NEIGHBORHOOD CONTROLS

	*Odds Ratio*	*95% CI*	*P-value*	*Odds Ratio*	*95% CI*	*P-value*
Drinking water
Boil water	1.00			1.00
Filter or bottled	2.00	0.09, 46.8	0.666	1.58	0.05, 51.7	0.796
Tap water^a	3.87	0.20, 74.0	0.369	2.62	0.11, 57.5	0.541
Handle raw foods^a	0.60	0.13, 2.85	0.526	0.44	0.07, 2.88	0.392
Travel 100 miles from home	1.48	0.35, 6.29	0.599	1.33	0.28, 6.29	0.716
Travel to another country	20.9	1.55, 279	0.022	12.3	0.93, 162	0.057

^aWithout further treatment or processing. ^bIncludes handling raw meat, fruit, vegetables