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Table 2 The status of BMI and physical fitness of children and adolescents aged 7–18 in Xinjiang, China

From: Relationship between body mass index and physical fitness of children and adolescents in Xinjiang, China: a cross-sectional study

Age (yrs)

n

Height (cm)

Weight (kg)

BMI (kg/m2)

Grip strength (kg)

Standing long jump (cm)

Sit and reach (cm)

50 m dash(s)

Endurance run(s)

Boys

 7-9 yrs

2192

128.05 ± 7.64

27.67 ± 6.14

16.71 ± 2.33

11.37 ± 3.36

121.31 ± 20.30

4.39 ± 4.63

11.04 ± 1.22

136.01 ± 16.14

 10-12 yrs

2153

143.98 ± 8.93

38.31 ± 9.48

18.26 ± 3.04

17.54 ± 5.09

149.63 ± 20.59

4.14 ± 5.03

9.73 ± 1.00

122.85 ± 16.58

 13-15 yrs

2140

162.55 ± 9.39

52.08 ± 10.91

19.55 ± 2.84

30.63 ± 8.69

191.27 ± 25.85

6.78 ± 6.05

8.34 ± 0.95

285.67 ± 45.09

 16-18 yrs

2186

171.82 ± 6.34

62.45 ± 9.75

21.12 ± 2.85

41.87 ± 8.00

220.52 ± 24.51

11.11 ± 6.71

7.72 ± 0.82

253.79 ± 38.76

Girls

 7-9 yrs

2186

126.57 ± 7.99

25.89 ± 5.4

16.02 ± 2.01

9.56 ± 3.03

111.91 ± 19.73

6.69 ± 5.17

11.73 ± 1.26

143.40 ± 16.32

 10-12 yrs

2110

144.58 ± 9.20

37.26 ± 8.84

17.61 ± 2.71

15.46 ± 4.90

134.91 ± 19.96

6.53 ± 5.41

10.45 ± 1.04

133.90 ± 25.34

 13-15 yrs

2166

156.67 ± 6.18

48.99 ± 8.01

19.91 ± 2.72

22.15 ± 5.37

151.69 ± 20.39

8.21 ± 6.04

9.89 ± 1.11

272.26 ± 38.44

 16-18 yrs

2223

159.13 ± 5.62

53.38 ± 6.92

21.07 ± 2.47

24.60 ± 6.35

158.64 ± 19.34

10.8 ± 5.91

10.01 ± 1.16

266.22 ± 37.27

Total

 7-9 yrs

4378

127.31 ± 7.85

26.78 ± 5.85

16.37 ± 2.20

10.47 ± 3.32

116.62 ± 20.56

5.54 ± 5.04

11.38 ± 1.29

139.70 ± 16.64

 10-12 yrs

4263

144.28 ± 9.07

37.79 ± 9.18

17.94 ± 2.90

16.51 ± 5.10

142.35 ± 21.57

5.32 ± 5.35

10.09 ± 1.08

128.32 ± 22.07

 13-15 yrs

4306

159.59 ± 8.46

50.53 ± 9.68

19.73 ± 2.79

26.37 ± 8.37

171.36 ± 30.54

7.50 ± 6.09

9.12 ± 1.29

278.92 ± 42.40

 16-18 yrs

4409

165.42 ± 8.72

57.87 ± 9.58

21.10 ± 2.67

33.16 ± 11.25

189.32 ± 38.00

10.96 ± 6.32

8.87 ± 1.52

260.06 ± 38.51

  1. M Mean, SD Standard Deviation, BMI Body mass index