Table 3

Prevalence of IgG antibodies against parvovirus B19 by demographic characteristics in female day care workers (2007) in Amsterdam, The Netherlands, and in women of the Amsterdam population (2004)*
Characteristics Study Sample Parvovirus B19 IgG Positive Univariable PR (95 % CI) Multivariable PR (95% CI
N n % p value p value p value
Total 540 356 65.9 %
Working in child day care 0.003
No 298 180 60.4 % 1 1
Yes 242 176 72.7 % 1.2 (1.1–1.4) 0.002 1.2 (1.1–1.4) 0.002
Age (in years) 0.18
16–24 113 72 63.7 % 1 1
25–34 199 141 70.9 % 1.1 (1.0–1.3) 0.2 1.1 (0.9–1.3) 0.2
35–44 228 143 62.7 % 1.0 (0.8–1.2) 0.9 1.0 (0.8–1.3) 0.7
Country of birth 0.75
The Netherlands & Other European countries 319 212 66.5 % 1 1
Non-European countries** 221 144 65.2 % 1.0 (0.9–1.1) 0.73 1.1 (0.9–1.5) 0.08
Age at immigration 0.12
0–17 years 97 71 73.2 % 1
18 and older 141 88 62.4 % 0.9 (0.7–1.0) 0.07
Data missing 8 3 37.5 %
Not applicable (born in the Netherlands) 294 194 66.0 %
Having children 0.09
No 177 114 64.1 % 1 1
Yes 293 203 69.3 % 1.1 (0.9–1.2) 0.27 1.2 (1.0–1.3) 0.02
Data missing 70 39 55.7 %
Number of children 0.24
0 177 114 64.4 % 1
1 104 73 70.2 % 1.1 (0.9–1.3) 0.26
2 113 80 70.8 % 1.1 (0.9–1.3) 0.28
3 76 50 65.8 % 1.0 (0.8–1.2) 0.82
Number of children missing 70 39 55.7 %

* All analysis adjusted for day-care centre clustering.

** Africa, Asia and Central and South America.

van Rijckevorsel et al.

van Rijckevorsel et al. BMC Public Health 2012 12:475   doi:10.1186/1471-2458-12-475

Open Data