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Table 2 Characteristics of participants by exposure to prenatal infection

From: Maternal infections during pregnancy and offspring midlife inflammation

  No infection during pregnancy N = 1313 Infection during pregnancy N = 392 P-Value*
Maternal pre-pregnancy BMI (kg/m2) 21.7 21.5 0.284
Maternal age at birth (mean years) 26.8 26.3 0.191
Parity n (%)    
 1 622(47) 196 (50)  
 2 370 (28) 97 (25)  
 3 194 (15) 63 (16)  
 4 83 (6) 29 (7)  
 5+ 43 (3) 7 (2) 0.299
Maternal civil status at conception n(%)    
 Married mother 889 (68) 275 (70)  
 Unmarried mother 422 (32) 117 (30) 0.382
Tobacco smoking in pregnancy n(%)    
 No 674 (52) 203 (53)  
 Yes 615 (48) 183 (47) 0.917
Child’s gender n(%)    
 Male 742 (57) 217 (55)  
 Female 571 (43) 175 (44) 0.686
  1. Means or geometric means and standard deviations are presented for the continuous variables and number and percent for the categorical variables together with p-values
  2. *calculated with ANOVA for continuous variables and chi2 for categorical variables