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Table 1 Regression coefficients for the effect of bone mineral density measures on percent mammographic density, adjusting for age, body mass index and smoking

From: Is there a positive association between mammographic density and bone mineral density?

  Estimate Standard error p-value
Total hip bone mineral density
   All -0.09 0.11 0.41
   Past or never HRT -0.23 0.12 0.06
   Postmenopausal: past or never HRT 0.05 0.18 0.78
   Postmenopausal: current or recent HRT -0.07 0.24 0.79
Lumbar spine bone mineral density
   All -0.02 0.08 0.79
   Past or never HRT -0.10 0.10 0.33
   Postmenopausal: past or never HRT 0.02 0.09 0.85
   Postmenopausal: current or recent HRT 0.24 0.18 0.19
  1. HRT, hormone replacement therapy; past HRT, HRT use >1 year ago; recent HRT, HRT use ≤ 1 year ago.