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Table 1 Characteristics of the 19935 women and child pairs, from the Danish National Birth Cohort, exposed and not exposed to paint fumes in their residence during 1st trimester of pregnancy

From: Non-occupational exposure to paint fumes during pregnancy and risk of congenital anomalies: a cohort study

  Exposed to paint fumes Not exposed to paint fumes P*
  N (%) Mean ± std N (%) Mean ± std  
All women 1404 (7)    18531 (93)    
Painting of:
 Furniture, floor, radiator and/or woodwork 147 (10)        
 Wall and/or ceiling 853 (61)        
 Both of the categories above 404 (29)        
Age of the women (years)    29.2 ±4.2    29.3 ±4.3 0.52
Smoking during 1st trimester          0.21
 No 1048 (75)    14107 (76)    
 Yes 356 (25)    4424 (24)    
Average alcohol consumption (drinks/week) during 1st trimester 0.52
 <1 1073 (76)    14301 (77)    
 ≥1 331 (24)    4230 (23)    
Working with organic solvents at first (12th week) interview 0.10
No 1350 (96)    17965 (97)    
Yes 54 (4)    566 (3)    
Children diagnosed with congenital malformation 0.62
 All 73 (5)    1013 (5)    
 One congenital malformation 57 (4)    815 (4)    
 More than one congenital malformation 16 (1)    198 (1)    
  1. *t -test (continuous) and x 2 (non-parametric).