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Table 2 Multiple linear regression models for bone density in Caucasian females

From: The influence of lifestyle, menstrual function and oral contraceptive use on bone mass and size in female military cadets

Calcaneal BMD 0.118 +0.002(weight) +0.021(milk intake) +0.049(current OC use)  
(SE) 0.080 0.001 0.009 0.025  
p 0.141 0.001 0.024 0.052  
R 2 = 0.275      
Spine BMD 0.461 +0.003(weight) +0.035(cycles/year) +0.062(current OC use) +0.025(exercise)
(SE) 0.125 0.001 0.013 0.036 0.014
p 0.001 0.001 0.011 0.087 0.078
R 2 = 0.313      
Total Hip BMD 0.617 +0.003(weight) -0.049(fracture hx) +0.035(cycle/year) +0.032 (exercise)
(SE) 0.001 0.001 0.022 0.013 0.014
p 0.001 0.001 0.030 0.010 0.021
R 2 = 0.286