Table 5. Stepwise Multiple Regression predicting bone mineral density (BMD)
from body composition variables in combined age groups.

BMD Site

Predictor Variable

b

SEE

R2

Total Body

1FM

.412

.111

 .216 ***

 

Age

-.262

 

 

 

2FM

.399

.112

 .202 ***

 

Age

-.237

 

 

Spine

1Total LBM

.305

.192

 .080 ***

 

2Left leg LM

.248

.195

 .048 *

Femoral Neck

1Age 

-.557

.108

 .537 ***

 

Total LBM

.386

 

 

 

2Age

 Left leg LM

-.474

.401

.114

 .488 ***

Trochanter

1Total LBM

.415

.155

 .160 **

 

2Left leg LM

.374

.158

 .128 **

Total Hip

1Total LBM

.517

.112

 .440 **

 

Age

-.339

 

 

 

2Left leg LM

.498

.116

 .393 **

 

Age

-.277

 

 
1 Independent variables: age, fat mass (FM), total body bone-free lean body mass (LBM).
2 Independent variables: age, fat mass (FM), and left leg bone-free lean mass (LM).
* significant p < 0.05, *** significant p < 0.001.