Table 2 Overall model summary

6-MIN WALK GAIT SPEED

App. Lean Mass

0.002

1.072

0.523

 Overall Model

Isokin. Strength / BW

0.123

1.450

<  0.001*

 R² = 0.66; p-value = <  0.001*

Four Sq. Step Test

0.176

1.383

<  0.001*

 AIC = 673.3; MPC = 4.000

Shared Variance

0.359

–

–

 BIC = 682.8; D-W = 2.000

Unexplained Variance

0.340

–

–

STAIR CLIMB POWER

App. Lean Mass

0.300

1.427

<  0.001*

 Overall Model

Isomet. Strength / BMI

0.010

1.687

0.140

 R² = 0.66; p-value = <  0.001*

Four Sq. Step Test

0.214

1.221

<  0.001*

 AIC = 544.7; MPC = 4.000

Shared Variance

0.136

–

–

 BIC = 554.2; D-W = 1.564

Unexplained Variance

0.340

–

–

5x CHAIR RISE

App. Lean Mass / BMI

0.015

1.746

0.130

 Overall Model

Isokin. Strength / BW

0.072

2.147

0.001*

 R² = 0.50; p-value = <  0.001*

Four Sq. Step Test

0.180

1.383

<  0.001*

 AIC = 193.6; MPC = 4.000

Shared Variance

0.233

–

–

 BIC = 203.2; D-W = 1.995

Unexplained Variance

0.500

–

–

COMPLEX FUNCTIONAL TEST

App. Lean Mass / BW

0.036

1.433

0.018*

 Overall Model

Isokin. Strength

0.002

1.568

0.582

 R² = 0.53; p-value = <  0.001*

Four Sq. Step Test

0.339

1.237

<  0.001*

 AIC = 310.5; MPC = 4.000

 BIC = 320.1; D-W = 2.220

Shared Variance

0.153

–

–

Unexplained Variance

0.470

–

–