Table 3 Skeletal site regression models

(SE)

(0.117)

(0.002)

(0.001)

(0.001)

(0.008)

p

(0.826)

(0.02)

(0.001)

(0.006)

(0.02)

R² = 0.34

Lumbar Spine Density

0.810 +

0.003(weight) -

0.114(smoke) +

0.414(milk*exercise) -

0.095(milk) -

0.098(exercise)

(SE)

(0.180)

(0.001)

(0.051)

(0.014)

(0.043)

(0.044)

p

(0.001)

(0.004)

(0.001)

(0.017)

(0.029)

(0.027)

R² = 0.35

Total Hip Density

1.608 +

0.003(weight) -

0.012 (height) -

0.130 (smoke) +

0.006(milk*exercise)

(SE)

(0.324)

(0.001)

(0.005)

(0.059)

(0.003)

p

(0.001)

(0.004)

(0.001)

(0.017)

(0.049)

R² = 0.26

Tibial Density

1328.999 -

9. 147(height) +

1.791(milk*exercise) +

0.633(run score)

+ 0.349(weight)

(SE)

(105.744)

(1.628)

(0.930)

(0.224)

(0.169)

p

(0.001)

(0.001)

(0.055)

(0.005)

(0.04)

R² = 0.08

Tibial Mineral Content

127.523 +

1.099(weight) +

0.515(run score) +

0.006(milk*exercise) -

7.588(caffeine)

(SE)

(15.774)

(0.060)

(0.94)

(0.395)

(2.838)

p

(0.001)

(0.001)

(0.001)

(0.001)

(0.008)

R² = 0.45

Cortical Thickness

7.192 +

0.008(height) +

0.38(milk*exercise) -

0.039(height)

(SE)

(0.870)

(0.008)

(0.042)

(0.014)

p

(0.001)

(0.001)

(0.001)

(0.005)

R² = 0.11

Periosteal Circumference

27.85 +

0.081(weight) +

0.475(height) -

0.768(caffeine)

(SE)

(5.59)

(0.008)

(0.088)

(0.376)

p

(0.001)

(0.001)

(0.001)

(0.041)

R² = 0.31