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Table 1 Characteristics of 400 first-generation Surinamese immigrants living in the Netherlands and their prevalence suggestive of previous dengue virus infection, February 2008 - December 2011

From: High prevalence of previous dengue virus infection among first-generation Surinamese immigrants in the Netherlands

   Total DENV IgG Univariable analysis* Multivariable analysis
    Positive P% PR (95% CI) PR (95% CI)
   n = 400 n = 325 81.3   
Sex       
  male 148 119 80.4 1  
female 252 206 81.7 1.0 (0.92-1.1)  
Age (in years)       
  ≤ 40 63 46 73.0 1 1
41-50 112 90 80.4 1.1 (0.92-1.2) 1.5 (0.79-3.0)
  51-60 117 94 80.3 1.1 (0.92-1.3) 1.6 (0.84-3.2)
≥ 61 108 95 88.0 1.2 (1.0-1.4) 1.4 (0.74-2.9)
Duration lived in Suriname (in years)       
  ≤ 15 79 43 54.4 1 1
16-20 112 88 78.6 1.4 (1.2-1.8) 1.4 (0.96-2.1)
21-25 90 82 91.1 1.7 (1.4-2.1) 1.6 (1.1-2.3)
≥ 26 115 108 93.9 1.7 (1.4-2.1) 1.7 (1.1-2.5)
History of yellow fever vaccination       
  no 258 211 81.8 1  
yes (1 or 2) 142 114 80.3 0.98 (0.89-1.1)  
Time between (most recent) yellow fever vaccination and blood sample collection (in years)       
  ≤ 5 41 29 70.7 1 1
> 5-10 41 35 85.4 1.2 (0.96-1.5) 1.2 (0.94-1.4)
> 10-15 41 36 87.8 1.2 (0.99-1.5) 1.2 (0.94-1.4)
> 15 10 6 60.0 0.85 (0.49-1.5) 0.79 (0.47-1.3)
  1. Participants attended the Public Health Service’s Travel Clinic in Amsterdam for pre-travel advice.
  2. P = prevalence.
  3. PR = prevalence ratio.
  4. * Variables that were significant at p < 0.1 were selected for inclusion in the multivariable model.