Table 3. Fitness-Level Stratified Analysis.
| Dependent Variable: Total Energy Expenditure (kcal/week) | Coefficient | P-value | Dependent Variable: Vigorous Activity Level (min/week) | Coefficient | P-value |
|---|---|---|---|---|---|
| Higher Fit Stratum (n = 261) | |||||
| Independent Variables: | |||||
| Age (years) | -16.087 | .429 | -.909 | .593 | |
| Male sex | -242.962 | .736 | -34.891 | .562 | |
| Lean mass (kg) | .0863 | .014a | .004 | .226 | |
| Fat mass (kg) | -.004 | .871 | -.005 | .006a | |
| Intercept | 683.658 | .217 | 178.778 | .423 | |
| Available energy (ml/kg/min) | -51.518 | .379 | 3.939 | .420 | |
| Low Fit Stratum (n = 341) | |||||
| Independent Variables: | |||||
| Age (years) | -.773 | .955 | -.097 | .930 | |
| Male sex | 197.589 | .694 | 10.40 | .798 | |
| Lean mass (kg) | .074 | .026a | .004 | .061 | |
| Fat mass (kg) | -.009 | .509 | -.002 | .033a | |
| Intercept | -2902.783 | .108 | -112.912 | .438 | |
| Available energy (ml/kg/min) | 119.783 | .022a | 10.246 | .015a | |
a
Statistically significant at the 0.05 level.