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Table 3 Linear regression models of associations between adult socioeconomic status and adult mammographic density, EDMD Study

From: Early life socioeconomic environment and mammographic breast density

  Adjusted for age at mammogram and adult BMI
  β (95% CI)
Dense Area (cm2)
 Adult education
  High school or less Ref.
  Trade school or some college 0.8 (−3.8, 5.4)
  Bachelor’s degree 2.5 (−2.3, 7.3)
  Master’s degree or higher 3.8 (−2.2, 9.8)
 Adult income
   < $50,000 Ref.
  $50,000- < $75,000 −0.3 (−5.4, 4.8)
  $75,000- < $100,000 0.3 (−4.9, 5.5)
   ≥ $100,000 0.6 (−4.0, 5.1)
Non-dense area (cm2)
 Adult education
  High School or Less Ref.
  Trade School or Some College 1.6 (−9.7, 12.9)
  Bachelor’s Degree −3.3 (−16.7, 8.06)
  Master’s Degree or Higher −0.3 (−13.5, 12.9)
 Adult income
   < $50,000 Ref.
  $50,000- < $75,000 −8.2 (−20.4, 3.9)
  $75,000- < $100,000 0.5 (−12.3, 13.3)
   ≥ $100,000 0.2 (−11.2, 11.7)
Percent density
 Adult education
  High school or less Ref.
  Trade school or some college 0.1 (−3.2, 3.4)
  Bachelor’s degree 2.0 (−1.6, 5.4)
  Master’s degree or higher 3.1 (−0.9, 7.0)
 Adult income
   < $50,000 Ref.
  $50,000- < $75,000 0.01 (−3.6, 3.6)
  $75,000- < $100,000 −0.8 (−4.4, 2.8)
   ≥ $100,000 −0.9 (−4.1, 2.3)
  1. Abbreviations: BMI body mass index