Table 1

Characteristics of women and human parvovirus B19 (B19V) IgG seroprevalence at the time of the first antenatal visit in a cohort study among women with day-care and healthcare education, Finland, 1992–1993

	Day-care education				Healthcare education
	Women		B19V seroprevalence		Women		B19V seroprevalence
Characteristics	N	Per cent	N	Per cent	N	Per cent	N	Per cent
Total	1966		1162	59.1	1744		957	54.9
Age, years
19–24	212	10.8	120	56.6	209	12.0	109	52.2
25–29	935	47.6	548	58.6	700	40.1	383	54.7
30–34	638	32.4	383	60.0	582	33.4	326	56.0
35–48	181	9.2	111	61.3	253	14.5	139	54.9
Number of living children
0	735	37.4	423	57.6	738	42.3	384	52.0
1	708	36.0	413	58.3	589	33.8	330	56.0
2	370	18.8	227	61.4	286	16.4	162	56.6
≥3	153	7.8	99	64.7	131	7.5	81	61.8
Job seniority, years
0–4	666	33.9	389	58.4	579	33	323	55.8
5–9	900	44.8	527	58.6	687	39	370	53.9
≥10	400	20.4	246	61.5	478	27	264	55.2