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Table 1 Subject demographics and characteristics

From: Normal breast tissue DNA methylation differences at regulatory elements are associated with the cancer risk factor age

Variable Value in subjects (n = 100)
Age (median, range) 37.2 (18–82)
Body mass index (median, range) 27.6 (16.8–53.7)
Pregnancy (parity), n
 No 44
 Yes 56
Family history, n
 No 44
 Yes 46
 Missing 10
Race, n
 African American 5
 Hispanic 9
 White 86
Alcohol consumption - drinks per week, n
 Not current drinker 28
 <7 64
 7–14 5
 15–21 2