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Table 1 Characteristics for women with available methylation data compared to the female participants of the total cohort

From: The interplay of DNA methylation over time with Th2 pathway genetic variants on asthma risk and temporal asthma transition

  Total female participants n = 750 Female with DNA methylation data n = 245 P values
Factors n (%) n (%)  
Asthma at age 18    
Yes 128 (19.4) 35 (14.3) 0.07
No 531 (80.6) 210 (85.7)  
Missing 91 1  
Atopy at age 18    
Yes 159 (35.7) 76 (31.4) 0.29
No 287 (64.3) 166 (68.6)  
Missing 304 3  
Eczema at age 18    
Yes 107 (16.3) 37 (15.2) 0.75
No 549 (83.7) 207 (84.8)  
Missing 94 1  
Rhinitis at age 18    
Yes 245 (37.2) 86 (35.1) 0.61
No 413 (62.8) 159 (64.9)  
Missing 92 0  
  Mean (STD) Mean (STD)  
Age of asthma onset at age 18 6.95 (5.43) 8.00 (5.41) 0.11
IgE (log10) at age 18 2.45 (2.84) 2.35 (2.75) 0.57