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 % | – | ||