Seroprevalence of varicella-zoster virus and predictors for seronegativity in the Amsterdam adult population

BMC Infectious Diseases

Table 3 IgG seronegativity to VZV by demographic characteristics in the study sample aged 18 years and older, 2004

	n	VZV seronegative		Univariable OR (95%)	P-value
		n	%
Total	1,341	93	6.9 (5.6–8.4)
Sex					0.84
Male	619	44	7.1	1
Female	717	49	6.8	0.96 (0.6–1.5)
Age category					0.52
18–34 years	212	15	7.1	1
35–44 years	291	22	7.6	1.07 (0.5–2.1)
45–54 years	325	26	8.0	1.14 (0.6–2.2)
55–64 years	279	13	4.7	0.64 (0.3–1.4)
65 years and older	224	16	7.1	1.01 (0.5–2.1)
Age missing	10	1	10.0	-
Ethnic origin					0.013
Dutch	437	17	3.9	1
Surinamese or Antillean	89	6	6.7	1.79 (0.7–4.7)
Turkish	319	30	9.4	2.56 (1.4–4.7)
Moroccan	275	26	9.5	2.58 (1.4–4.8)
Other	211	14	6.6	1.76 (0.8–3.6)
Ethnic origin missing	10	0	0	-
Generation
Dutch	437	17	3.9	1
1^st generation, Surinamese or Antillean	78	6	7.7	2.06 (0.8–5.4)
1^st generation, Turkish	306	29	9.5	2.59 (1.4–4.8)
1^st generation, Moroccan	262	25	9.5	2.61 (1.4–4.9)
Other 1^st generation	189	14	7.4	1.98 (1.0–4.1)
2^nd generation immigrants	59	2	3.4	0.87 (0.2–3.9)
Ethnic origin missing	10	0	0	-
Immigration status					< 0.0001
Autochthonous (born in the Netherlands)	516	19	3.7	0.36 (0.2–0.6)
Immigrated at age > 10 years	721	70	9.7	1
Immigrated at age ≤ 10 years	64	2	3.1	0.3 (0.1–1.3)
Immigrated at unknown age	32	2	6.3	-
Country of birth missing	8	0	0	-
Children					0.57
No	394	27	6.9	1
Yes	634	48	7.6	1.11 (0.7–1.8)
Data on having children missing	313	18	5.8	0.83 (0.5–1.5)
Number of children (n =1,028)					0.75
0	394	27	6.9	1
1	203	13	6.4	0.93 (0.5–1.8)
2	239	21	8.9	1.31 (0.7–2.4)
3 or more	176	14	8.0	1.17 (0.6–2.3)
Number of children missing	16	0	0	-

ISSN: 1471-2334