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Table 2 Characteristics of pregnant women in study (N = 200)

From: Determinants of seasonal influenza vaccination in pregnant women in Valencia, Spain

  Vaccinated Unvaccinated  
(n = 100) (n = 100)
n % n % P-valuea
Country of Origin Foreign 20 20.0 21 21.0  
Spanish 80 80.0 79 79.0 0.831
Age (years) <25 18 18.0 9 9.0  
25–35 63 63.0 66 66.0  
>35 19 19.0 25 25.0 0.143
Parity 1 51 51.0 43 43.0  
2-mar 38 38.0 50 50.0  
>3 11 11.0 7 7.0 0.201
Gestational <37 9 9.0 10 10.0  
Age (weeks) 37–42 88 88.0 88 88.0  
  >42 3 3.0 2 2.0 0.881
Asthmab No 97 97.0 92 92.0  
  Yes 34.0 3.0 8 8.0 0.121
Diabetes Mellitusb No 100 100.0 99 99.0  
  Yes 0 0.0 1 1.0 0.316
Cardiac Pathologyb No 100 100.0 99 99.0  
  Yes 0 0.0 1 1.0 0.316
Immunosuppressionb No 100 100.0 100 100.0  
  Yes 0 0.0 0 0.0 N/A
Low Risk Pregnancyc No 34 34.0 40 40.0  
  Yes 66 66.0 60 60.0 0.380
Pregnancy-induced Hypertensionc No 96 96.0 97 97.0  
  Yes 4 4.0 3 3.0 0.700
Thyroid Diseasec No 92 92.0 89 89.0  
  Yes 8 8.0 11 11.0 0.469
Smoker statusc No 84 84.0 79 79.0  
  Yes 16 16.0 21 21.0 0.363
Vaccinated previous season (2013–14) No 91 91.0 94 94.0  
  Yes 9 9.0 6 6.0 0.421
  1. a P-value: based on chi-square test; N/A: insufficient cell number to perform chi-square analysis
  2. b Pre-gestational disease
  3. c Gestational disease or status during pregnancy
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