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Table 1 Participant characteristics, PA levels and ST for the total sample as well as for the different weight categories, sex and age group

From: Objectively measured physical activity and sedentary time in children with overweight, obesity and morbid obesity: a cross-sectional analysis

  Total
N = 202
OV
N = 58
OB
N = 93
MO
N = 51
P B
N = 90
G
N = 112
P Primary school age (<12y)
N = 98
Secondary school age (≥12 y)
N = 104
P
Demographics
 Age, years 12 ± 3 12 ± 3 12 ± 3 12 ± 4 .729 12 ± 3 12 ± 3 .222 9 ± 2 15 ± 2 <.001
 Sex, M/F 45/55 50/50 43/57 41/59 .604     47/53 42/58 .530
Anthropometry
 BMI z-score 3.15 ± .73 2.39 ± .33 a, c 3.16 ± .44a,b 4.00 .53b, c <.001 3.3 ± .8 3.0 ± .7 .010 3.13 ± .73 3.17 ± .74 .701
PA
 Total PA, CPM 768 ± 298 780 ± 281 715 ± 263b 851 ± 357b .030 861 ± 330 698 ± 253 <.001 910 ± 300 634 ± 227 <.001
 ST, min/day 589 ± 142 601 ± 130c 606 ± 138b 547 ± 154bc .046 572 ± 151 602 ± 134 .170 536 ± 133 640 ± 131 <.001
 ST, %/day 69 ± 10 69 ± 9 70 ± 8b 66 ± 11b .033 67 ± 11 70 ± 9 .010 65 ± 10 73 ± 8 <.001
 LPA, min/day 221 ± 63 223 ± 63 214 ± 62 230 ± 65 .300 230 ± 68 213 ± 59 .073 248 ± 58 195 ± 57 <.001
 LPA, %/day 26 ± 8 26 ± 7 25 ± 8b 29 ± 10 b .048 28 ± 9 36 ± 7 .056 30 ± 8 23 ± 6 <.001
 MVPA, min/day 41 ± 19 44 ± 18 38 ± 18 43 ± 20 .106 47 ± 20 36 ± 16 <.001 44 ± 19 38 ± 18 .025
 MVPA, %/day 5 ± 2 5 ± 2 4 ± 2 5 ± 3 .056 6 ± 3 4 ± 2 <.001 5 ± 3 4 ± 2 .008
 Wear-time min/day 851 ± 132 868 ± 118 857 ± 137 820 ± 134 .139 851 ± 135 851 ± 130 .998 827 ± 126 873 ± 133 .013
  1. Abbreviations: OB Obesity, OV Overweight, MO Morbid Obesity, B Boys, G Girls, BMI Body mass index, PA Physical activity, CPM Counts Per Minute, ST Sedentary time, LPA Light physical activity, MVPA Moderate-to-vigorous physical activity. Physical activity intensities are presented as mean minutes per day ± standard deviation or as percentage of wear time. a Statistical difference between overweight and obese children b Statistical difference between obese and morbidly obese children c Statistical difference between overweight and morbidly obese children