Insights into hepatitis E virus epidemiology in Croatia

Table 5 Hepatitis E virus immunoglobulin G prevalence according to environmental and housing conditions

Characteristics	Subjects1, n (%)	HEV IgG, n (%)	95%CI	P value
Drinking water supply				0.694
Public water supply	431	43 (10.0)	7.4-13.1
Private water well	70	7 (10.0)	4.6-18.6
Bottled water	4	0 (0)	0-60.22
Others	4	1 (25.0)	2.8-71.6
Type of water drainage/sewer				0.781
Public sewer	320	33 (10.3)	7.3-14
Septic tank	185	18 (9.7)	6.1-14.6
Others	4	0 (0)	0-60.22
Waste disposal				1.000
Public	501	51 (10.2)	7.8-13.1
Burning	5	0 (0)	0-52.22
Slurry	2	0 (0)	0-84.12
Having pet animals				0.039
Yes	265	33 (12.5)	8.9-16.8
No	243	17 (7.0)	4.3-10.7
Having domestic animals				0.629
Yes	140	16 (11.4)	7.0-17.5
No	348	35 (10.1)	7.2-13.5
Rodent control in the basement				0.670
Yes	264	28 (10.6)	7.3-14.7
No	243	23 (9.5)	6.3-13.6
Storing food in the basement				0.346
Yes	122	15 (12.3)	7.4-19.0
No	385	36 (9.4)	6.7-12.6

¹Subjects who filled a questionnaire.

²One-sided 97.5% confidence interval.

CI: Confidence interval; HEV: Hepatitis E virus; IgG: Immunoglobulin G.