Seroprevalence of hepatitis E virus differs in Dutch and first generation migrant populations in Amsterdam, the Netherlands: a cross-sectional study

Table 2 Relation between hepatitis E virus IgG and median age of migration per ethnicity of first generation migrants

Ethnicity	Stratification by median age (years)^a	HEV IgG Negative		HEV IgG positive			P value^d
		N	Median age of migration^b (SD)	N	Median age of migration^b (SD)	Missing^c N
Moroccan	none	95	26 (11.0)	154	27 (9.4)	8	0.021
	≤51	68	21 (11.7)	55	23 (8.7)	3	0.310
	>51	27	29 (6.0)	99	29 (8.7)	5	0.493
Turkish	none	195	23 (9.5)	97	29 (8.5)	4	<0.001
	≤46	122	18 (7.7)	22	24 (7.6)	1	0.003
	>46	73	29 (8.3)	75	30 (8.1)	3	0.321
Other	none	173	25 (13.3)	38	27 (10.1)	9	0.367
	≤50	82	23 (9.7)	18	27 (7.7)	4	0.028
	>50	91	28 (14.9)	20	27 (12.1)	5	0.466

Differences in median migration ages between HEV IgG negative and HEV IgG positive groups were tested using the Mann–Whitney U test
^aMedian age of participants at the time of the study
^bMedian age at which participants migrated to the Netherlands
^cMissing: no data available on age of migration
^dNumbers in bold indicate significant differences

ISSN: 1471-2334