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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