Table 1 Participant demographics over time
| Â | Grade 4 | Grade | 5 | Grade | 6 |
|---|---|---|---|---|---|
| Â | Spring '05 | Fall '05 | Spring '06 | Fall '06 | Spring '07 |
Sample Size (N) | 2150 | 2103 | 2067 | 2030 | 1989 |
Enjoyment of Physical Education | 10.8 (1.8) | 10.8 (1.8) | 10.8 (1.7) | 10.8 (1.7) | 10.8 (1.7) |
Organized Activity Participation | 5.8 (5.0) | 4.6 (4.6) | 5.8 (5.2) | 4.2 (4.3) | 5.6 (5.1) |
Perceived Athletic Competence | 18.4 (4.1) | 18.6 (4.1) | 18.9 (4.0) | 18.9 (4.0) | 19.1 (3.9) |
Body mass index (kg/m2) | 18.6 (3.5) | 19.0 (3.8) | 19.3 (3.9) | 19.7 (4.0) | 20.1 (4.0) |