Skip to main content

Advertisement

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)*

From: Increased seroprevalence of IgG-class antibodies against cytomegalovirus, parvovirus B19, and varicella-zoster virus in women working in child day care

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 %     
  1. * All analysis adjusted for day-care centre clustering.
  2. ** Africa, Asia and Central and South America.