Table 2.
Associations of overall and timing-specific moderate-to-vigorous physical activity with measures of physical function.
| Measures of physical function | Overall MVPA | Percentage of overall MVPA | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| During the morning (06:01–12:00) | During the afternoon (12:01–18:00) | During the evening (18:01–24:00) | ||||||||||
| B | 95% CI | p | B | 95% CI | p | B | 95% CI | p | B | 95% CI | p | |
| Handgrip strength (kg)a | 0.045 | (0.017, 0.072) | 0.002* | − 0.069 | (− 0.243, 0.106) | 0.436 | 0.067 | (− 0.132, 0.266) | 0.504 | − 0.003 | (− 0.208, 0.201) | 0.976 |
| R-squared | 0.640 | 0.598 | 0.598 | 0.596 | ||||||||
| Gait speed (s)b | − 0.061 | (− 0.091, − 0.031) | < 0.001** | 0.075 | (− 0.021, 0.270) | 0.452 | − 0.038 | (− 0.263, 0.187) | 0.738 | − 0.237 | (− 0.468, − 0.006) | 0.044* |
| R-squared | 0.433 | 0.349 | 0.346 | 0.370 | ||||||||
| Basic functional mobility (s)b | − 0.045 | (− 0.079, − 0.011) | 0.009* | 0.214 | (0.001, 0.428) | 0.049* | − 0.273 | (− 0.518, − 0.027) | 0.030* | − 0.162 | (− 0.416, 0.092) | 0.210 |
| R-squared | 0.368 | 0.351 | 0.356 | 0.337 | ||||||||
| Lower limb strength (s)b | − 0.037 | (− 0.081, 0.006) | 0.094 | − 0.048 | (− 0.323, 0.226) | 0.729 | − 0.087 | (− 0.399, 0.226) | 0.583 | 0.205 | (− 0.112, 0.521) | 0.202 |
| R-squared | 0.164 | 0.144 | 0.145 | 0.155 | ||||||||
B unstandardized linear regression coefficient, MVPA moderate-to-vigorous physical activity, CI confidence interval.
aA positive association indicates better physical function accompanied by more time spent in MVPA.
bA positive association indicates worse physical function accompanied by more time spent in MVPA.
*p < 0.05; **p < 0.001.