Table 1. Participant Characteristics.
| Entire Sample Mean Values (n = 602) | Higher Fit Group Mean Values (n = 261) | Low Fit Group Mean Values (n = 341) | P for Difference (Higher vs. Low Fit Group) | |
|---|---|---|---|---|
|
| ||||
| Characteristics | ||||
| Age (years), mean (SD) | 68.1 (10.8) | 64.7 (10.1) | 70.6 (10.7) | <0.001a |
| Male sex, No. (%) | 290 (51.83) | 151 (57.85) | 161 (47.21) | <0.01a |
| Body Mass Index (kg/m2), mean (SD) | 27.28 (4.73) | 26.22 (4.16) | 28.09 (4.98) | <0.001a |
| Usual Gait Speed (m/s), mean (SD) | 1.16 (0.23) | 1.26 (.21) | 1.08 (.21) | <0.001a |
| Resting Metabolic Rate (ml/kg/min), mean (SD) | 2.63 (0.67) | 2.80 (.68) | 2.50 (.63) | <0.001a |
| Peak Sustained Energy Expenditure (ml/kg/min), mean (SD) | 17.81 (4.63) | 21.99 (3.23) | 14.61 (2.49) | <0.001a |
| Available Energy (ml/kg/min), mean (SD) | 15.18 (4.49) | 19.19 (3.23) | 12.11 (2.44) | <0.001a |
| Total Physical Activity Level (kcal/week) (SD) | 2178.18 (2659.55) | 2703.49 (2871.57) | 1776.11 (2413.14) | <0.001a |
| Vigorous Activity Level (min/week) (SD) | 167.95 (216.81) | 225.87 (235.69) | 123.62 (189.90) | <0.001a |
Values are means ± SD or n (%).
a
Statistically significantly difference between Higher and Low Fitness Groups at the 0.05 level.