Table 2.
Associations with quadriceps strength
| Variable | Coefficient β | 95% CI | p |
|---|---|---|---|
|
Daily physical activity
| |||
| MET (kcal/24 h/kg) |
0.100 |
-0.371 – 0.582 |
0.650 |
| TEEACC (kcal/day) |
0.274 |
-0.171 – 0.749 |
0.206 |
| PAL |
0.092 |
-0.345 – 0.516 |
0.684 |
| Steps/day (n) |
-0.085 |
-0.567 – 0.387 |
0.699 |
|
Exercise performance
| |||
| 6MWD (m) |
0.451 |
0.085 – 0.835 |
0.018 |
| Sit-to-Stand test (n) |
0.502 |
0.105 – 0.857 |
0.015 |
| Handgrip test (kg) |
0.455 |
0.050 – 0.837 |
0.029 |
| Time < 3METs (min) |
-0.055 |
-0.811 - 0.434 |
0.822 |
| Time 3–6 METs (min) | 0.449 | -0.111 – 1.010 | 0.080 |
Univariate regression is expressed as β. 6MWD, 6-minute walk distance, MET, metabolic equivalent; PAL, physical activity level; TEEACC, total energy expenditure per day as assessed by accelerometry. P < 5% is significant.