| UM | Maastricht University |
| KUL | KU Leuven |
| MVPA | Moderate to Vigorous Physical Activity |
| LPA | Light-Intensity Physical Activity |
| PAB | Physical Activity Behavior |
| SET | Scheduled Education Time |
| SST | Self-Study Time |
| BMI | Body-Mass Index |
| BIC | Bayesian Information Criterion |
| CI | Confidence Intervals |