Table 2 Comparison of basic status, WHtR and CRF of children and adolescents of different sexes in China (M ± SD)

Age(years)

12.30 ± 3.44

12.47 ± 3.49

12.38 ± 3.47

4.758

<0.001

Height(cm)

155.23 ± 18.63

150.71 ± 14.73

153.04 ± 17.01

25.853

<0.001

Weight(kg)

47.69 ± 16.71

42.80 ± 12.64

45.32 ± 15.08

31.651

<0.001

Waist circumference(cm)

66.71 ± 12.33

62.73 ± 9.73

64.78 ± 11.32

34.284

<0.001

WHtR

0.43 ± 0.07

0.42 ± 0.06

0.42 ± 0.06

21.281

<0.001

20-mSRT(laps)

34.23 ± 19.60

26.39 ± 12.04

30.44 ± 16.84

46.064

<0.001

VO_2max(mL.kg ^− 1 min ^− 1)

44.20 ± 4.97

41.64 ± 5.52

42.96 ± 5.40

46.999

<0.001