Table 1.
Participant demographics, data are presented as mean ± SD.
| Variable | 18–39 years (n = 33) |
40–64 yearrs (n = 33) |
≥65 years (n = 33) |
All (n = 33) |
|---|---|---|---|---|
| Age (years) | 28.0 ± 6.4 | 53.9 ± 6.3 | 71.1 ± 4.1a | 49.3 ± 17.4 |
| Mass (kg) | 76.5 ± 17.5 | 75.8 ± 17.8 | 73.2 ± 12.9 | 75.5 ± 16.6 |
| Body fat (%) | 23.3 ± 9.1 | 28.0 ± 10.1 | 32.1 ± 8.9b | 27.4 ± 10.0 |
| Gait (m s−2) | 1.41 ± 0.17 | 1.39 ± 0.21 | 1.29 ± 0.17c | 1.38 ± 0.19 |
| RMR (mL O2·kg−1 min−1) | 3.11 ± 0.36 | 2.87 ± 0.47 | 2.72 ± 0.32b | 3.01 ± 0.39 |
a
Significantly different across all ages (p < 0.05).
b
Significantly different than 18–39 years (p < 0.05).
c
Significantly different than 40–64 years (p < 0.05).