Table 3

Skeletal site regression models

Calcaneal Density
0.026 +
0.004(height) +
0.002(weight) +
0.003(milk*exercise) -
0.019(caffeine)

(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







Ruffing et al. Nutrition & Metabolism 2006 3:14   doi:10.1186/1743-7075-3-14