Table 3

Unadjusted Median values with 5th and 95th percentiles for accelerometer measured physical activity for each measurement year separated by gender
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

MVPA moderate and vigorous physical activity.

a MVPA recommendations based on accumulating >60 minutes of MVPA per day.

Telford et al.

Telford et al. International Journal of Behavioral Nutrition and Physical Activity 2013 10:81   doi:10.1186/1479-5868-10-81

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