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Table 1 Physical characteristics and determinants/moderators at baseline for study participants

From: Seasonal changes in objectively measured sedentary behavior and physical activity in Japanese primary school children

 

Boys (n = 98)

Girls (n = 111)

 

Average ± SD

Average ± SD

Height (cm)

130.9 ± 11.1

132.7 ± 12.1

Body weight (kg)

29.5 ± 8.4

29.2 ± 7.7

Body mass index (kg/m2)

16.9 ± 2.4

16.3 ± 2.1

Weight status (overweight and obese: %)

5.1

6.3

Participation in sports except for physical education (n)

95

107

 1. yes

66

77

 2. no

29

30

Duration (min/week) (boys n = 58, girls n = 68)

192.2 ± 156.0

152.5 ± 157.6

Duration (min/time) (boys n = 58, girls n = 68)

80.0 ± 30.8

79.9 ± 37.7

Frequency (time/week) (boys n = 58, girls n = 68)

2.3 ± 1.5

1.8 ± 1.3

Bedroom television ownership (n)

96

109

 1. yes

18

28

 2. no

78

81

 

Children

Parents

Children

Parents

Are you (Is your child) active? (n)

98

96

109

109

 1. no

9

13

10

13

 2. neither

34

36

42

43

 3. yes

55

47

57

53

Do you (Does your child) like sports or exercise? (n)

97

97

111

109

 1. considerably dislike

0

2

0

1

 2. slightly dislike

2

12

8

11

 3. slightly like

22

26

21

34

 4. considerably like

73

57

82

63

Are you (Is your child) good at sports or exercise? (n)

98

97

111

109

 1. considerably lower skilled

1

3

2

5

 2. slightly lower skilled

9

31

21

34

 3. slightly highly skilled

40

32

34

40

 4. considerably highly skill

48

31

54

30

Are you (Is your child) healthy? (n)

98

97

111

109

 1. not healthy

0

1

2

5

 2. somewhat healthy

4

0

21

34

 3. healthy

45

53

34

40

 4. very healthy

48

43

54

30

How would you describe your (your child’s) body shape?

98

97

111

109

 1. considerably thin

1

1

5

3

 2. slightly thin

8

31

14

28

 3. maintain the present body

72

47

83

66

 4. over weight

15

17

8

6

 5. Obese

2

1

1

3

  1. Japanese boys and girls participated in this research in 2011, Abbreviations: SD standard deviation