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Table 1 Participants of characteristics

From: Tracking of objective physical activity and physical fitness in Japanese children

 

Boys (n = 46)

Girls (n = 65)

Baseline (2008)

Follow-up (2011)

p value

Baseline (2008)

Follow-up (2011)

p value

Age (years)

9.2 ± 0.4

13.2 ± 0.4

< 0.001

9.1 ± 0.3

13.1 ± 0.3

< 0.001

Height (cm)

134.1 ± 5.8

153.1 ± 8.2

< 0.001

135.1 ± 5.4

152.0 ± 4.1

< 0.001

Weight (kg)

30.7 ± 7.0

44.4 ± 10.2

< 0.001

29.8 ± 4.5

43.9 ± 6.3

< 0.001

BMI (kg/m2)

16.9 ± 2.9

18.8 ± 3.0

< 0.001

16.2 ± 1.7

19.0 ± 2.4

< 0.001

Total steps (steps/day)

18387.7 ± 3876.4

12188.5 ± 4872.9

< 0.001

14627.3 ± 3340.2

11863.4 ± 3153.3

< 0.001

MVPA (min/day)

60.6 ± 18.5

37.3 ± 22.0

< 0.001

39.9 ± 13.5

32.8 ± 14.3

0.004

Hand grip (kg)

14.9 ± 3.0

23.4 ± 6.9

< 0.001

14.0 ± 3.3

21.8 ± 4.6

< 0.001

Sit-ups (count)

19.3 ± 5.7

24.2 ± 6.2

< 0.001

14.6 ± 3.9

18.7 ± 3.9

< 0.001

Sit and reach (cm)

36.5 ± 8.7

40.2 ± 8.5

0.015

37.2 ± 7.7

42.4 ± 7.1

< 0.001

Side-to-side jump (count)

40.5 ± 7.0

48.9 ± 5.8

< 0.001

37.7 ± 5.6

43.4 ± 3.9

< 0.001

20-m shuttle run (count)

45.7 ± 16.8

68.1 ± 20.9

< 0.001

29.9 ± 11.6

46.0 ± 12.8

< 0.001

50-m dash (s)

9.4 ± 0.7

9.0 ± 0.9

< 0.001

9.7 ± 0.7

9.3 ± 0.7

< 0.001

Standing broad jump (cm)

147.6 ± 14.7

174.7 ± 20.7

< 0.001

141.1 ± 16.1

156.9 ± 25.4

< 0.001

Ball throwing (m)

24.6 ± 6.8

19.6 ± 4.5

< 0.001

13.7 ± 5.1

11.4 ± 3.4

< 0.001

  1. Values are means ± standard deviations
  2. BMI: Body mass index; MVPA: moderate-to-vigorous physical activity
  3. p < 0.05 for different baseline and follow-up