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Table 1 Descriptive characteristics and sedentary patters of study sample

From: Sedentary behavior patterns and adiposity in children: a study based on compositional data analysis

  Girls (N = 246) Boys (N = 179) Total sample (N = 425)
Mean SD Mean SD Mean SD
Age (years) 9.8 1.3 9.9 1.2 9.8 1.3
Body height (cm) 142.3 8.8 143.8 9.4 142.9 9.1
Body weight (kg)* 35.4 8.1 37.8 9.7 36.4 8.9
BMI z-score* 0.2 1.1 0.5 1.2 0.3 1.1
Fat mass (kg) 7.0 4.2 7.0 5.4 7.0 4.7
Fat mass (%)* 18.4 7.4 16.9 8.3 17.8 7.8
Fat mas index (kg/m2) 3.4 1.9 3.3 2.3 3.3 2.1
Visceral adipose tissue (cm2) 32.1 22.9 36.4 28.5 33.9 25.5
Count per minute* 569.9 160.7 606.6 167.7 585.4 164.5
Wear time (h/day) 12.6 0.9 12.7 0.9 12.6 0.9
SB (min/day) 359.1 67.4 362.9 68.9 360.7 68.0
LPA (min/day) 348.0 52.6 339.2 55.7 344.3 54.0
MVPA (min/day)* 48.8 18.6 58.4 22.9 52.8 21.0
Sedentary bouts analysis
 Short sedentary bouts (min/day)* 202.0 27.9 192.1 27.1 197.8 28.0
 Middle sedentary bouts (min/day) 114.3 39.3 120.5 42.7 116.9 40.8
 Long sedentary bouts (min/day)* 42.8 33.2 50.3 33.2 46.0 33.4
 Short sedentary bouts (number/day)* 79.1 10.7 73.7 10.3 76.8 10.8
 Middle sedentary bouts (number/day) 7.5 2.4 7.8 2.6 7.6 2.5
 Long sedentary bouts (number/day)* 1.1 0.8 1.2 0.8 1.1 0.8
  1. BMI Body mass index, LPA Light intensity physical activity, MVPA Moderate-to-vigorous physical activity, SB Sedentary behavior, SD Standard deviation
  2. *Significant difference between sexes, t-test (p < 0.05)
  3. Short bout: 1–9 min, Middle bout: 10–29 min, Long bout: ≥30 min