Table 5.
Predictors of cortical bone architecture in the midfemur of typically developing children determined using multiple regression analysis
| Cortical bone volume (cm3)
|
Total bone Volume (cm3)
|
Z (cm3)
|
J (cm4)
|
|||||
|---|---|---|---|---|---|---|---|---|
| β | P value | β | P value | β | P value | β | P value | |
| Muscle volume/femur length2.77 | .219 | .000 | .160 | .003 | .260 | .001 | .234 | .002 |
| Femur length (m) | .954 | .000 | .943 | .000 | .905 | .000 | .889 | .000 |
| Sex | .027 | .640 | .075 | .176 | .062 | .384 | .061 | .437 |
| MVPA (min/d) | −.055 | .333 | .008 | .886 | −.037 | .597 | −.045 | .561 |
| Calcium intake (mg/d) | .021 | .714 | −.046 | .400 | −.016 | .816 | −.033 | .671 |
MVPA = moderate to vigorous physical activity log transformed; β = standardized coefficient