Table 1.
Descriptive statistics of participants at each wave.
| 2 | 3 | 4 | 5 | 6 | 7 | |
|---|---|---|---|---|---|---|
| N | 1999 | 2027 | 1964 | 1994 | 1408 | 1557 |
| Age (mean (SD)) | 10.3 (0.35) | 10.8 (0.49) | 11.3 (0.34) | 11.9 (0.38) | 12.4 (0.33) | 13.4 (0.33) |
| BMI (mean (SD)) | 19 (3.71) | 19.2 (3.76) | 19.6 (3.97) | 20.1 (4.04) | 20.3 (4.05) | 21.1 (4.12) |
| Org Sport & PA (mean (SD)) | 4.6 (4.6) | 5.8 (5.2) | 4.3 (4.33) | 5.6 (5.09) | 4.3 (4.13) | 4 (4.01) |
| Free PA (mean (SD)) | 10.3 (3.58) | 11.1 (3.54) | 10.5 (3.53) | 11.6 (3.35) | 10.8 (3.29) | 9.9 (3.22) |
| % Female | 50% | 49% | 49% | 50% | 49% | 49% |
Note: Org Sport & PA = Participation Questionnaire “organized sport and physical activity” subscale; Free PA = Participation Questionnaire “free-time physical activity” subscale.