Table 2

Prevalence of IgG antibodies against cytomegalovirus (CMV) by demographic characteristics in female child day care workers (2007) in Amsterdam, The Netherlands, and in women of the Amsterdam population (2004) *
Characteristics Study Sample CMV IgG Positive Univariable PR (95 % CI)
N n % p value p value
Total 529 386 73.0 %
Working in child day care 0.8
No 288 209 72.6 % 1
Yes 241 177 73.4 % 1.0 (0.9–1.1) 0.8
Age (in years) 0.08
16–24 110 80 72.3 % 1
25–34 199 135 67.8 % 0.9 (0.8–1.1) 0.4
35–44 220 171 77.7 % 1.1 (0.9–1.2) 0.3
Country of birth < 0.001
The Netherlands & Other European countries 313 178 56.9 % 1
Non-European countries** 216 208 96.3 % 0.6 (0.5–0.7) < 0.001
Age at immigration <0.001
0–17 years 95 88 92.6 % 1
18 and older 138 129 93.5 % 1.0 (0.9–1.1) 0.8
Data Missing 8 8 100 %
Not applicable (born in the Netherlands) 288 161 55.9 %
Having children < 0.001
No 175 113 64.6 % 1
Yes 288 236 81.9 % 1.3 (1.1–1.4) < 0.001
Data missing 66 39 56.1 %
Number of children < 0.001
0 175 113 64.6 % 1
1 103 76 73.8 % 1.1 (1.0–1.3) 0.1
2 111 90 81.8 % 1.3 (1.1–1.5) 0.003
3 74 70 94.6 % 1.5 (1.3–1.7) < 0.001
Number of children missing 66 37 56.1 %

* 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