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Table 3 Unadjusted Median values with 5 th and 95 th percentiles for accelerometer measured physical activity for each measurement year separated by gender

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

  1. MVPA moderate and vigorous physical activity.
  2. a MVPA recommendations based on accumulating >60 minutes of MVPA per day.