Table 2.
The characteristics of those who jumped at all three-time points (t0, t1, t2), in total n = 176 (n = 106 (60.2%) female)
| N = 176 | Min | Max | Mean (SD) | 1st–3rd quartile | p-value$ | p-value* |
|---|---|---|---|---|---|---|
| Age (years) t0 | 70 | 87 | 75.3 (3.7) | 72.0–77.0 | 0.000 | 0.000 |
| t1 | 70 | 88 | 75.8 (3.7) | 73.0–78.0 | 0.000 | |
| t2 | 72 | 89 | 77.3 (3.7) | 74.0–79.0 | 0.000 | |
| BMI (kg/m2) t0 | 19.2 | 42.0 | 27.0 (3.9) | 24.1–29.2 | 0.000 | 0.691 |
| t1 | 19.5 | 42.4 | 27.0 (4.0) | 24.3–29.1 | 0.000 | |
| t2 | 19.5 | 40.7 | 27.0 (3.9) | 24.0–28.9 | 0.000 | |
| Max JP (W) t0 | 621.3 | 3379.5 | 1827.9 (512.8) | 1451.2–2140.6 | 0.000 | 0.771§ |
| t1 | 957.5 | 3518.4 | 1815.7 (502.0) | 1430.8–2157.9 | 0.000 | |
| FGA | ||||||
| HGS (kg) t0 | 10.7 | 55.3 | 28.4 (9.4) | 21.7–36.0 | 0.000 | 0.000 |
| t1 | 10.0 | 53.7 | 28.1 (9.3) | 21.4–34.5 | 0.001 | |
| t2 | 7.0 | 48.7 | 23.8 (9.0) | 17.0–30.0 | 0.000 | |
| TUG (s) t0 | 5.0 | 13.4 | 8.4 (1.6) | 7.3–9.3 | 0.000 | 0.000 |
| t1 | 5.0 | 15.2 | 8.4 (1.6) | 7.2–9.0 | 0.000 | |
| t2 | 5.3 | 15.5 | 8.9 (1.7) | 7.7–9.9 | 0.000 | |
| SCPT (W) t0 | 101.2 | 456.7 | 217.2 (49.5) | 182.6–243.0 | 0.000 | 0.000 |
| n = 173 | ||||||
| t1 | 102.0 | 401.8 | 214.9 (46.5) | 183.5–240.9 | 0.002 | |
| t2 | 108.7 | 368.5 | 199.8 (45.8) | 168.7–224.5 | 0.000 | |
| 4mGS (s) t0 | 1.6 | 4.4 | 2.8 (0.5) | 2.5–3.1 | 0.000 | 0.012 |
| t1 | 1.7 | 4.7 | 2.7 (0.5) | 2.4–3.0 | 0.000 | |
| t2 | 1.8 | 4.5 | 2.8 (0.5) | 2.5–3.1 | 0.002 | |
| 5TCR (s) t0 | 6.9 | 23.1 | 12.3 (2.9) | 10.2–13.5 | 0.000 | 0.010 |
| n = 172 | ||||||
| t1 | 6.3 | 20.4 | 11.9 (2.6) | 10.0–13.4 | 0.001 | |
| t2 | 6.4 | 20.2 | 11.8 (2.6) | 10.0–13.3 | 0.000 | |
| SPPB (pts.) t0 | 7 | 12 | 11.0 (1.0) | 11.0–12.0 | 0.000 | 0.176 |
| t1 | 8 | 12 | 10.9 (1.2) | 10.0–12.0 | 0.000 | |
| t2 | 6 | 12 | 10.8 (1.3) | 10.0–12.0 | 0.000 | |
| 6mWT (m) t0 | 250 | 629 | 441.2 (67.6) | 403.0–479.0 | 0.146 | 0.000 |
| n = 165 | ||||||
| t1 | 250 | 655 | 448.3 (67.3) | 403.5–485.0 | 0.101 | |
| t2 | 70 | 610 | 432.3 (76.9) | 395.5–471.5 | 0.000 |
BMI body mass index, FGA functional geriatric assessment, HGS handgrip strength, TUG timed up and go test, SCPT stair climbing power test, 4mGS four-meter gait speed, 5TCR five-times-chair-rise test, SPPB short physical performance battery, 6mWT six-meter walk test
*The Friedman test for k-related samples
$Shapiro–Wilk test
§Tests the differences between t0 and t1 using the Wilcoxon test