Table 2 Means (and SDs) of daily steps during the six weeks
|  | Elementary school (n = 71) | Grammar school (n = 99) | Total sample (n = 170) |
|---|---|---|---|
Week 1 | 6701 (593) | 7454 (1557) | 7139 (1230) |
Week 2 | 7295 (711) | 7506 (1931) | 7417 (1544) |
Week 3 | 7386 (841) | 7483 (1861) | 7443 (1518) |
Week 4 | 7411 (790) | 7682 (1900) | 7569 (1539) |
Week 5 | 7500 (660) | 7805 (2286) | 7678 (1798) |
Week 6 | 7367 (674) | 7866 (2177) | 7658 (1731) |