|  |  |  | Sedentary behavior (minutes/day) | Light physical activiy (minutes/day) | Moderate physical activity (minutes/day) | Vigorous physical activity (minutes/day) | Steps (steps/day) | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 |  |  |  | Boys | Girls | Boys | Girls | Boys | Girls | Boys | Girls | Boys | Girls |
Weekdays | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | Preschool | means |  | 326.5 | 339.6 | 413.0 | 402.4 | 37.2 | 36.8 | 41.0 | 38.8 | 16552.9 | 14415.9 |
 | 95 % CI | lower | 309.8 | 323.3 | 399.1 | 389.0 | 33.7 | 33.4 | 36.0 | 34.0 | 15479.0 | 13370.9 | |
 |  |  | upper | 343.3 | 356.0 | 426.8 | 415.9 | 40.7 | 40.2 | 46.0 | 43.7 | 17626.8 | 15460.8 |
 | Lower grades of elementary school | means |  | 372.9 | 397.5 | 347.2 | 338.0 | 52.7 | 44.6 | 44.9 | 37.6 | 17757.4 | 13737.0 |
 | 95 % CI | lower | 353.0 | 381.0 | 330.9 | 324.4 | 48.6 | 41.1 | 39.0 | 32.7 | 16489.0 | 12681.9 | |
 |  |  | upper | 392.7 | 414.0 | 363.6 | 351.6 | 56.9 | 48.0 | 50.8 | 42.5 | 19025.8 | 14792.1 |
 | Higher grades of elementary school | means |  | 411.5 | 429.5 | 324.9 | 310.8 | 53.2 | 48.1 | 28.1 | 29.4 | 15540.2 | 13515.8 |
 | 95 % CI | lower | 397.0 | 414.9 | 312.9 | 298.8 | 50.2 | 45.1 | 23.8 | 25.0 | 14612.3 | 12586.2 | |
 |  |  | upper | 426.0 | 444.0 | 336.9 | 322.8 | 56.2 | 51.1 | 32.4 | 33.7 | 16468.0 | 14445.5 |
 | Junior high school | means |  | 474.8 | 519.9 | 286.2 | 251.8 | 27.5 | 26.9 | 29.2 | 19.6 | 12616.3 | 9199.2 |
 | 95 % CI | lower | 465.7 | 510.9 | 278.7 | 244.4 | 25.6 | 25.0 | 26.5 | 16.9 | 12034.4 | 8622.5 | |
 |  |  | upper | 483.9 | 528.9 | 293.7 | 259.2 | 29.4 | 28.8 | 32.0 | 22.3 | 13198.2 | 9775.8 |
Main effects | Gender | F | Â | 21.8 | Â | 14.8 | Â | 10.1 | Â | 7.7 | Â | 70.8 | Â |
df | Â | 1686 | Â | 1686 | Â | 1686 | Â | 1682 | Â | 1686 | Â | ||
P value | Â | 0.00 | Â | 0.00 | Â | 0.00 | Â | 0.01 | Â | 0.00 | Â | ||
η2 |  | 0.03 |  | 0.02 |  | 0.01 |  | 0.01 |  | 0.09 |  | ||
Grade | F | Â | 232.8 | Â | 216.9 | Â | 144.5 | Â | 32.0 | Â | 67.9 | Â | |
df | Â | 3686 | Â | 3686 | Â | 3686 | Â | 3682 | Â | 3686 | Â | ||
P value | Â | 0.00 | Â | 0.00 | Â | 0.00 | Â | 0.00 | Â | 0.00 | Â | ||
η2 |  | 0.51 |  | 0.49 |  | 0.39 |  | 0.13 |  | 0.23 |  | ||
Interaction | Gender × Grade | F |  | 2.9 |  | 2.9 |  | 2.7 |  | 3.4 |  | 2.0 |  |
df | Â | 3686 | Â | 3686 | Â | 3686 | Â | 3682 | Â | 3686 | Â | ||
P value | Â | 0.04 | Â | 0.03 | Â | 0.04 | Â | 0.02 | Â | 0.12 | Â | ||
η2 |  | 0.01 |  | 0.01 |  | 0.01 |  | 0.01 |  | 0.01 |  | ||
Weekends | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â | Â |
 | Preschool | means |  | 359.0 | 385.5 | 396.9 | 377.1 | 29.1 | 29.1 | 29.0 | 22.7 | 12762.5 | 11151.4 |
 | 95 % CI | lower | 330.1 | 356.5 | 372.9 | 353.0 | 23.5 | 23.5 | 23.2 | 16.7 | 11226.3 | 9609.8 | |
 |  |  | upper | 387.9 | 414.5 | 420.9 | 401.2 | 34.7 | 34.7 | 34.9 | 28.6 | 14298.7 | 12693.0 |
 | Lower grades of elementary school | means |  | 413.3 | 412.2 | 325.6 | 351.8 | 34.6 | 28.5 | 40.5 | 22.0 | 14014.2 | 9995.5 |
 | 95 % CI | lower | 376.5 | 383.8 | 295.1 | 328.2 | 27.5 | 23.0 | 33.1 | 16.2 | 12061.0 | 8485.2 | |
 |  |  | upper | 450.0 | 440.6 | 356.1 | 375.4 | 41.7 | 34.0 | 47.9 | 27.8 | 15967.4 | 11505.8 |
 | Higher grades of elementary school | means |  | 459.6 | 451.3 | 303.2 | 316.0 | 33.9 | 26.8 | 17.3 | 22.1 | 9924.6 | 9238.4 |
 | 95 % CI | lower | 427.3 | 422.6 | 276.4 | 292.1 | 27.7 | 21.2 | 10.8 | 16.1 | 8204.3 | 7711.4 | |
 |  |  | upper | 492.0 | 480.0 | 330.1 | 339.8 | 40.2 | 32.4 | 23.9 | 28.1 | 11644.8 | 10765.4 |
 | Junior high school | means |  | 461.1 | 520.7 | 301.7 | 252.4 | 34.6 | 26.0 | 18.0 | 17.0 | 12393.2 | 8359.6 |
 | 95 % CI | lower | 438.0 | 502.5 | 282.6 | 237.3 | 30.1 | 22.5 | 13.2 | 13.1 | 11165.2 | 7395.3 | |
 |  |  | upper | 484.2 | 538.8 | 320.9 | 267.4 | 39.0 | 29.5 | 22.9 | 20.9 | 13621.2 | 9324.0 |
Main effects | Gender | F | Â | 3.5 | Â | 0.8 | Â | 7.6 | Â | 6.4 | Â | 22.6 | Â |
df | Â | 1427 | Â | 1427 | Â | 1426 | Â | 1405 | Â | 1427 | Â | ||
P value | Â | 0.06 | Â | 0.37 | Â | 0.01 | Â | 0.01 | Â | 0.00 | Â | ||
η2 |  | 0.01 |  | 0.00 |  | 0.02 |  | 0.02 |  | 0.05 |  | ||
Grade | F | Â | 29.8 | Â | 35.4 | Â | 0.2 | Â | 8.7 | Â | 4.4 | Â | |
df | Â | 3427 | Â | 3427 | Â | 3426 | Â | 3405 | Â | 3427 | Â | ||
P value | Â | 0.00 | Â | 0.00 | Â | 0.88 | Â | 0.00 | Â | 0.00 | Â | ||
η2 |  | 0.18 |  | 0.20 |  | 0.00 |  | 0.06 |  | 0.03 |  | ||
Interaction | Gender × Grade | F |  | 2.9 |  | 4.8 |  | 1.0 |  | 4.7 |  | 2.6 |  |
df | Â | 3427 | Â | 3427 | Â | 3426 | Â | 3405 | Â | 3427 | Â | ||
P value | Â | 0.03 | Â | 0.00 | Â | 0.38 | Â | 0.00 | Â | 0.05 | Â | ||
η2 |  | 0.02 |  | 0.03 |  | 0.01 |  | 0.03 |  | 0.02 |  |