| Boys | Girls | ||||||
---|---|---|---|---|---|---|---|---|
 | Y1&2 | Y4&5 | Y6&7 | Y8&9 | Y1&2 | Y4&5 | Y6&7 | Y8&9 |
n | 82 | 201 | 163 | 64 | 95 | 253 | 155 | 237 |
Valid days (n) | 5.1Â (0.5) | 6.4Â (0.7) | 6.2Â (0.7) | 6.1Â (0.6) | 5.1 (0.4) | 6.4 (0.7) | 6.3Â (0.6) | 6.6Â (0.7) |
Wear (h‧d−1) | 13.6 (0.8) | 13.9 (0.8) | 14.3 (0.8) | 14.5 (0.8) | 13.6 (0.6) | 13.9 (0.8) | 14.4 (0.7) | 14.6 (0.8) |
Average acceleration (mg) | 75.9Â (19.8) | 73.4 (21.5) | 74.0 (25.5) | 59.2 (27.1) | 65.1 (13.6) | 62.1 (17.3) | 64.3 (17.1) | 43.6 (12.2) |
Intensity gradient | -2.07Â (0.12) | -2.04 (0.12) | -2.07 (0.14) | -2.20 (0.18) | -2.15 (0.11) | -2.14 (0.12) | -2.16 (0.14) | -2.38 (0.17) |
M2 (mg) | 1949.1 (423.2) | 2088.8 (530.2) | 2018.1 (607.1) | 1445.1 (662.5) | 1552.5 (345.3) | 1664.3 (439.7) | 1661.0 (519.4) | 899.8 (392.0) |
M5 (mg) | 1386.2 (319.0) | 1425.1 (428.6) | 1377.5 (481.8) | 936.7 (520.9) | 1081.3 (262.7) | 1096.1 (328.6) | 1095.6 (369.8) | 593.5 (277.1) |
M10 (mg) | 963.7 (240.8) | 960.4 (323.5) | 937.9 (362.6) | 634.4 (381.6) | 744.4 (188.9) | 723.6 (230.9) | 733.3 (249.0) | 417.1 (210.3) |
M15 (mg) | 737.01 (198.3) | 726.5 (258.9) | 716.1 (289.0) | 501.0 (325.1) | 570.8 (142.5) | 547.3 (175.0) | 560.9 (183.4) | 341.1 (191.0) |
M20 (mg) | 593.0 (165.7) | 583.4 (213.4) | 580.6 (237.9) | 421.2 (283.1) | 463.9 (111.5) | 444.8 (139.2) | 458.5 (143.0) | 291.6 (165.7) |
M30 (mg) | 423.4 (121.1) | 417.1 (146.4) | 423.6 (170.2) | 324.1 (205.1) | 339.6 (73.8) | 329.7 (97.1) | 343.0 (97.9) | 236.3 (149.7) |
M45 (mg) | 287.4Â (82.9) | 295.0 (95.9) | 303.4 (112.4) | 246.3 (128.9) | 246.9 (47.9) | 244.2 (66.7) | 256.3 (66.3) | 183.84 (45.8) |
M60 (mg) | 230.8Â (61.4) | 230.2 (69.0) | 238.3 (82.0) | 204.6 (109.4) | 196.7 (35.8) | 196.9 (51.5) | 207.8 (50.5) | 154.9 (33.4) |
M120 (mg) | 122.1Â (30.5) | 121.5 (31.7) | 129.07 (40.9) | 112.9 (33.0 | 108.8 (19.6) | 110.6 (28.7) | 119.5 (27.7) | 93.8 (21.9) |
M240 (mg) | 52.9Â (13.7) | 51.7 (14.3) | 57.4 (19.9) | 49.7 (17.6) | 48.6 (10.7) | 49.3 (15.1) | 54.2 (14.7) | 41.6 (12.0) |
M360 (mg) | 41.8Â (10.9) | 38.6 (10.8) | 41.1 (14.5) | 33.5 (12.6) | 38.8 (8.9) | 37.2 (11.95) | 38.7 (10.9) | 28.3 (8.6) |
M480 (mg) | 26.8Â (6.8) | 26.3 (7.4) | 29.6 (10.4) | 24.8 (9.1) | 25.7 (6.1) | 25.7 (8.5) | 27.6 (7.9) | 21.4 (6.7) |
M600 (mg) | 14.8Â (4.0) | 14.4 (4.5) | 16.5 (6.1) | 13.6 (5.2) | 14.5Â (4.1) | 14.2 (5.4) | 15.1 (4.7) | 12.0 (4.3) |
M720 (mg) | 7.0Â (2.7) | 7.0Â (3.0) | 8.7Â (3.9) | 7.3Â (3.4) | 7.1 (2.7) | 7.0 (3.5) | 7.8Â (3.0) | 6.2Â (2.8) |
MVPA (min‧d−1) | 67.1 (21.1) | 65.8 (22.1) | 68.2 (27.7) | 53.9 (27.2) | 56.5 (15.0) | 55.2 (20.3) | 59.8 (20.8) | 36.5 (15.0) |