Table 2.
Associations between BMI and accelerometer measures, least squares effect tests with sex and age included in the model.
| df | F ratio | t ratio | p | r2 | |
|---|---|---|---|---|---|
| Sedentary % | 1 | 7.20 | 2.68 | 0.0082 | 0.05 |
| Sedentary time | 1 | 2.27 | 1.51 | 0.13 | 0.02 |
| Standing % | 1 | 5.91 | − 2.43 | 0.016 | 0.05 |
| Standing time | 1 | 6.73 | − 2.59 | 0.011 | 0.05 |
| LPA % | 1 | 0.93 | − 0.97 | 0.34 | 0.01 |
| LPA time | 1 | 1.61 | − 1.27 | 0.21 | 0.02 |
| MVPA % | 1 | 6.92 | − 2.63 | 0.0095 | 0.05 |
| MVPA time | 1 | 8.08 | − 2.84 | 0.0051 | 0.06 |
| PA % | 1 | 3.79 | − 1.95 | 0.054 | 0.03 |
| PA time | 1 | 4.88 | − 2.21 | 0.029 | 0.04 |
| Steps/day | 1 | 13.81 | − 3.72 | 0.0003 | 0.10 |
| Breaks in sedentary time | 1 | 16.24 | − 4.03 | < 0.0001 | 0.11 |
| MET mean/day | 1 | 9.08 | − 3.01 | 0.0031 | 0.07 |
| MET peak/day | 1 | 12.63 | − 3.55 | 0.0005 | 0.09 |
LPA light physical activity, MVPA moderate to vigorous physical activity, PA physical activity (LPA and MVPA together), MET the metabolic equivalent.