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Characteristics of the 673 study participants retained for analyses
| Sex | |
|---|---|
| Boys, n (%) | 310 (46) |
| Girls, n (%) | 363 (54) |
| Age at baseline, years, mean ± SD years | 12.7 ± 0.4 |
| Parental education | |
| Neither parents has university education, n (%) | 258 (38) |
| At least one parent has university education, n (%) | 415 (62) |
| PA level at cycle 22, median (interquartile range) MET-minutes per week | 1716 (834 to 3210) |
