Table 6. Association between variables and the household level and hepatitis A infection (anti-HAV-IgG) in the North, Southeast and South regions of Brazil.

Household level (variables)		North		Southeast		South
		OR* (95% CI)	p	OR* (95% CI)	p	OR* (95% CI)	p
Home ownership
	Yes	1.0		1.0		1.0
	No	1.78 (0.69 – 4.60)	0.228	1,.05 (0.76 – 1.44)	0.744	0.80 (0.57 – 1.12)	0.208
Water supply
	Yes	1.0		1.0		1.0
	No	0.78 (0,.32 – 1.87)	0.579	1.27 (0.64 – 2.50)	0.487	0.38 (0.06 - 2.42)	0.307
Piped water at home
	Yes	1.0		1.0		1.0
	No	-		-		-
Lack of water supply
	Never	1.0		1.0		1.0
	At least one per month	0,.89 (0,.31 – 2.58)	0.834	1.37 (0,.88 – 2.11)	0.154	2.36 (1.53 – 3.65)	0.000
	Rarely	0,.60 (0,.22 – 1,.63)	0.320	0,.75 (0.56 – 1.01)	0,.059	1.99 (1.40 – 2.83)	0.000
Sewage disposal
	Public system	1.0		1.0		1.0
	Septic tank	0.83 (0.38 – 1.77)	0.628	1.24 (0,.78 – 1.99)	0.352	1.32 (0.84 – 2.07)	0.222
	Other destination	1.55 (0.31 – 7.77)	0.593	1.55 (1.03 – 2.35)	0.035	3.78 (2,.35 – 6.07)	0.000
Solid waste disposal
	Collect by public service	1.0		1.0		1.0
	Other destination	4.19 (0.35 – 49,7)	0.256	1,.82 (0,.79 – 4.18)	0.154	2,.37 (1.12 – .95)	0.024

^*Odds ratio corrected by random effect and weight sampling