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Table 1 Characteristics of the sample and separated for sedentary levels

From: High sedentary time in children is not only due to screen media use: a cross-sectional study

  Total Low ST Medium ST High ST Significance
n N (%) n N (%) n N (%) N (%)
Boys 198 87 (43.9) 66 38 (57.6) 66 30 (45.5) 66 19 (28.8) p = 0.00**
   Mean (SD)   Mean (SD)   Mean (SD)   Mean (SD)  
Age (years) 198 7.1 (0.7) 66 7.1 (0.7) 66 7.2 (0.7) 66 7.0 (0.6) p = 0.20
Height (cm) 198 124.0 (6.0) 66 124.5 (6.3) 66 124.9 (6.6) 66 122.5 (4.8) p = 0.05*
Weight (kg) 198 24.6 (4.9) 66 25.1 (5.7) 66 25.5 (5.1) 66 23.3 (3.1) p = 0.02*
BMI 198 15.9 (2.2) 66 16.0 (2.3) 66 16.3 (2.6) 66 15.5 (1.5) p = 0.13
BMIPCTa 198 46.9 (26.8) 66 46.9 (28.5) 66 50.4 (27.7) 66 43.4 (24.0) p = 0.33
Weight statusb   N (%)   N (%)   N (%)   N (%)  
 Underweight 198 13 (6.6) 66 6 (9.1) 66 2 (3.0) 66 5 (7.6) p = 0.37
 Normalweight 198 168 (84.8) 66 52 (78.8) 66 58 (87.9) 66 58 (87.9) p = 0.81
 Overweight/Obese 198 17 (8.6) 66 8 (12.1) 66 6 (9.1) 66 3 (4.5) p = 0.33
Migration backgroundc 195 48 (24.6) 66 10 (15.2) 64 18 (28.1) 65 20 (30.8) p = 0.09
Screen time   Mean (SD)   Mean (SD)   Mean (SD)   Mean (SD)  
 Total (min/day) 198 81.3 (54.9) 66 77.2 (59.4) 66 82.8 (50.5) 66 83.8 (55.0) p = 0.14
 Weekday (min/day) 198 61.9 (51.5) 66 58.6 (54.5) 66 62.3 (47.2) 66 64.8 (53.1) p = 0.45
 Weekend (min/day) 198 129.7 (77.1) 66 123.6 (80.8) 66 134.1 (75.4) 66 131.4 (75.9) p = 0.34
Reaching screen-media guideline   N (%)   N (%)   N (%)   N (%)  
  ≤ 1 h/dayd 198 84 (42.4) 66 28 (42.4) 66 28 (42.4) 66 28 (42.4) p = 1.00
  ≤ 2 h/daye 198 166 (83.8) 66 57 (86.4) 66 56 (84.8) 66 53 (80.3) p = 0.62
Percentage of screen time of STf   Mean (SD)   Mean (SD)   Mean (SD)   Mean (SD)  
 Total (min/day) 198 46.2 (41.4) 66 71.3 (56.3) 66 39.8 (26.1) 66 27.4 (17.7) p = 0.00**
 Weekday (min/day) 198 39.6 (43.6) 66 64.5 (60.0) 66 31.6 (28.6) 66 22.8 (18.9) p = 0.01*
 Weekend (min/day) 198 67.9 (60.0) 66 98.6 (80.6) 66 65.6 (45.5) 66 39.5 (23.3) p = 0.00**
Sedentary time   Mean (SD)   Mean (SD)   Mean (SD)   Mean (SD)  
 Total (min/day) 198 212.6 (87.7) 66 116.4 (35.6) 66 212.5 (26.9) 66 309.0 (49.7) p = 0.00**
 Weekday (min/day) 198 201.7 (92.8) 66 102.1 (40.5) 66 207.0 (36.3) 66 295.9 (63.2) p = 0.00**
 Weekend (min/day) 198 240.0 (105.4) 66 152.1 (65.4) 66 226.2 (68.3) 66 341.6 (78.7) p = 0.00**
Recording times (min/day) 198 1424.9 (34.1) 66 1430.9 (29.7) 66 1421.7 (38.7) 66 1422.0 (32.9) p = 0.22
  1. **significant (p < 0.01); *significant (p < 0.05); aBody mass index percentiles on the basis of Kromeyer-Hausschild et al., 2001; bclassifiyed BMI percentiles (BMIPCT) on the basis of Kromeyer-Hausschild et al., 2001; cdefined as having at least one parent who was born abroad or having a parent who spoke to their child in a foreign language during the first three years of their life; daccording to Rütten & Pfeifer, 2016; eaccording to Tremblay et al., 2016; fcalculated screen time percentages of total sedentary time (=ST) based on the averages of each child