From: Longitudinal patterns of physical activity in children aged 8 to 12 years: the LOOK study
2008 | 2009 | |||
---|---|---|---|---|
Grade 5 | Grade 6 | |||
Age 11.1±0.4 y | Age 12.1±0.4 y | |||
Boys | Girls | Boys | Girls | |
N accelerometers issued | 330 | 314 | 328 | 312 |
N (%) returned accelerometers meeting validation criteria | 282 | 266 | 270 | 265 |
(85%) | (85%) | (82%) | (85%) | |
Accelerometer wear time (hrs per day) | 13 | 13 | 13 | 13 |
(10,17) | (10,17) | (10,17) | (10,17) | |
Accelerometer Counts (counts per day/1000) | 418 | 375 | 390 | 342 |
(196,663) | (183,789) | (159,782) | (157,642) | |
MVPA (min/day) | 43 (6,116) | 31 (5,88) | 43 (6,110) | 30 (4,81) |
Light (min/day) | 355 | 359 | 333 | 333 |
(223,474) | (232,488) | (199,465) | (213,449) | |
Sedentary (min/day) | 364 | 376 | 388 | 406 |
(220,508) | (228,523) | (252,545) | (259,548) | |
% meeting MVPA recommendations a | 33 | 18 | 30 | 14 |