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Table 1 Crude physical activity levels stratified by gender and grade

From: Do extra compulsory physical education lessons mean more physically active children - findings from the childhood health, activity, and motor performance school study Denmark (The CHAMPS-study DK)

  1stgrade 2ndgrade 3rdgrade 4thgrade 5thgrade
Total n=207 n=234 n=264 n=244 n=239
Mean counts/min 651 (122) 598 (131) 563 (121) 550 (138) 524 (151)
Sedentary (min) 447 (39) 473 (44) 497 (44) 518 (46) 536 (53)
Light (min 256 (28) 249 (30) 237 (31) 225 (30) 219 (33)
Moderate (min) 47 (10) 44 (10) 42 (11) 40 (11) 38 (11)
Vigorous (min) 25 (9) 23 (10) 23 (9) 24 (11) 23 (11)
Boys n=94 n=108 n=140 n=108 n=110
Mean counts/min 689 (115) 628 (140) 598 (119) 610 (144) 590 (165)
Sedentary (min) 443 (41) 469 (45) 497 (46) 505 (51) 518 (56)
Light (min 255 (27) 245 (31) 235 (32) 228 (32) 224 (34)
Moderate (min) 52 (10) 48 (11) 46 (10) 47 (11) 44 (12)
Vigorous (min) 28 (9) 26 (11) 26 (10) 28 (11) 28 (12)
Girls n=113 n=126 n=124 n=136 n=129
Mean counts/min 620 (119) 573 (116) 524 (112) 502 (112) 468 (112)
Sedentary (min) 451 (119) 477 (44) 498 (42) 529 (39) 552 (45)
Light (min 257 (29) 253 (29) 239 (29) 223 (28) 214 (30)
Moderate (min) 42 (9) 40 (9) 36 (9) 36 (8) 33 (8)
Vigorous (min) 22 (8) 21 (8) 19 (8) 20 (8) 19 (9)
  1. Data are mean +/- SD. Minutes in PA intensity intervals are minutes/day. Grade refers to children’s grade when measured the first time in the winter in 2009/10.