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Correlation coefficient for validity of physical activities, sedentary behaviour, and social status
| Physical activities/social status | r |
| Music lessons | 0.96 |
| Marital status | 0.95 |
| Sports | 0.91 |
| Dancing | 0.90 |
| Father's education level | 0.88 |
| Mother's education level | 0.88 |
| Studying | 0.88 |
| TV | 0.69 |
| Video games | 0.53 |
| Sleeping | 0.43 |
