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Table 3 Association between alcohol consumption by type of alcohol and mammographic density phenotypes in premenopausal women (n = 202)a using multivariable linear regression models

From: Alcohol consumption, endogenous estrogen and mammographic density among premenopausal women

Alcohol consumption Percent densityb (%) p-value Absolute densityb (cm2) p-value
Past yearc     
 Total alcohol (drinks/weekd) 0.72 (0.23, 1.22) 0.004 1.28 (0.52, 2.03) 0.001
 Beer (drinks/weekd) 0.94 (0.15, 1.74) 0.021 1.87 (0.65, 3.09) 0.003
 Wine (drinks/weekd) 2.02 (0.62, 3.41) 0.005 2.84 (0.66, 5.01) 0.011
 Otherse (drinks/weekd) 1.74 (−0.23, 3.70) 0.084 3.17 (0.13, 6.21) 0.041
Current, past weekf     
 Total alcohol (g/day) 0.11 (−0.12, 0.34) 0.362 0.26 (−0.19, 0.61) 0.153
 Beer (g/day) 1.71 (0.19, 3.22) 0.027 3.24 (0.91, 5.57) 0.007
 Wine (g/day) 1.23 (−0.30, 2.75) 0.113 1.90 (−0.46, 4.25) 0.114
 Otherse (g/day) −0.15 (−1.93, 1.62) 0.865 −0.50 (−3.25, 2.26) 0.723
  1. Data presented as β-value (95 % confidence interval). All analyses have used multivariable linear regression models, and are adjusted for age (continuous), body mass index (continuous), number of children (continuous), previous oral contraceptives (categorical), and current smokers (categorical)
  2. FFQ food frequency questionnaire
  3. aNumbers may vary owing to missing information
  4. bEstimated change in mammographic density per unit increase in the alcohol intake variable
  5. cAlcohol consumption reported in past year, FFQ
  6. dOne drink or unit is equal to 10 g alcohol
  7. eIncludes spirits and fortified wine
  8. fAlcohol consumption reported in last 7 days representing 1 week, food diary