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Table 5 Analysis of past dengue virus infection among study population by selected characteristics

From: Seroepidemiology of dengue virus infection among adults during the ending phase of a severe dengue epidemic in southern Taiwan, 2015

  Univariate analysis Multivariate analysis
Characteristics No. positive/No. tested (%) Odds ratio 95% CI P value Adjusted OR 95% CI P value
Gender  
 Male 87/586 (14.9) 1.00 Referent - 1.00 Referent -
 Female 155/805 (19.3) 1.37 1.03,1.82) 0.0327 0.90 (0.64,1.25) 0.5221
Age group (y)      <.0001    <.0001
 20–34 26/510 (5.1) 1.00 Referent - 1.00 Referent -
 35–49 36/344 (10.5) 2.18 (1.29,3.68) 0.0037 1.57 (0.89,2.76) 0.1174
 50–64 80/330 (24.2) 5.96 (3.73,9.51) <.0001 2.98 (1.65,5.37) 0.0003
 ≥65 100/207 (48.3) 17.40 (10.77,28.10) <.0001 10.03 (5.42,18.58) <.0001
Place      <.0001    <.0001
 West Central District 92/226 (40.7) 14.19 (7.93,25.40) <.0001 4.98 (2.49,9.99) <.0001
 North District 39/175 (22.3) 5.93 (3.16,11.11) <.0001 2.15 (1.02,4.53) 0.0433
 East District 81/363 (22.3) 5.94 (3.34,10.54) <.0001 1.71 (0.84,3.50) 0.1410
 Factory in Yongkang 15/302 (5.0) 1.08 (0.52,2.25) 0.8368 1.01 (0.48,2.12) 0.9797
 Factory in Annan 15/325 (4.6) 1.00 Referent - 1.00 Referent -
Family diagnosed with dengue at any time
 No 205/1289 (15.9) 1.00 Referent - 1.00 Referent -
 Yes 37/102 (36.3) 3.01 (1.96,4.63) <.0001 2.07 (1.25,3.43) 0.0045