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Table 3 Univariate analysis of factors for measles infection among children aged ≤1y: Wenzhou City, China, November-December, 2010

From: Epidemic of measles following the nationwide mass immunization campaign

Factors Number Proportion (%) OR*M-H 95% CI
  Case n = 42 Control n = 168 Case Control   
Measles vaccination history       
  Vaccinated 1 38 6.3 49 0.026 0.0028–0.24
  Not vaccinated 29 38 94 51 Ref  
Visit to Hospital S 7-21d before onset       
  Visited Hospital S 25 35 60 21 5.5§ 2.7–11
   Visited IV room 21 16 84 46 7.2 1.9–27
   Did not visit IV room 4 19 16 54 Ref  
  Did not visit Hospital S 17 133 40 79 Ref  
Age       
  8-12 m 30 76 71 45 3.0 1.5–6.3
  <8 m 12 92 29 54 Ref  
  1. * Adjusted for month of visit to Hospital S, using the Mantel-Hanszel method.
  2. § Compared with children who did not visit Hospital S.
  3. ¶ Compared with children who did not visit IV room.