Table 1.
Anthropometries of the young and older adults
| Men |
Women |
P Value |
|||||
|---|---|---|---|---|---|---|---|
| Young (11*) | Old (14) | Young (8) | Old (7) | Age | Sex | Age × Sex | |
| Age, yr | 25 ± 4 | 76 ± 7 | 23 ± 2 | 77 ± 7 | 0.000 | 0.757 | 0.383 |
| Height, cm | 178.4 ± 9.8 | 171.9 ± 7.5 | 168.9 ± 7.2 | 162.8 ± 4.1 | 0.018 | 0.001 | 0.944 |
| Weight, kg | 78.7 ± 16.3 | 77.9 ± 8.6 | 62.6 ± 9.2 | 69.4 ± 9.1 | 0.435 | 0.002 | 0.317 |
| Body mass index, kg/m2 | 24.5 ± 2.8 | 26.4 ± 3.2 | 21.8 ± 1.6 | 26.5 ± 4.3 | 0.002 | 0.199 | 0.176 |
| Whole-body fat, % | 18.7 ± 5.3 | 29.4 ± 7.4 | 25.6 ± 3.3 | 38.3 ± 7.4 | 0.000 | 0.000 | 0.619 |
| Thigh lean mass, kg | 15.0 ± 3.5 | 11.7 ± 1.4 | 10.7 ± 1.8 | 9.2 ± 0.9 | 0.002 | 0.000 | 0.230 |
| Physical activity, steps/day | 8,760 ± 4,597 | 9,275 ± 5,178 | 10,151 ± 3,949 | 5,925 ± 2,569 | 0.215 | 0.509 | 0.116 |
Data are presented as means ± SD. Body fat percentage and the combined thigh lean mass of both legs were measured via dual X-ray absorptiometry (Lunar iDXA, GE Healthcare). The sample size (N) for each cohort is reported in parentheses.
*
One young male did not have physical activity measured (N = 10).
Boldfaced P values highlight statistical significance at P < 0.05.