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Table 1 Descriptive statistics for the total sample and within sex groups (means and standard deviations)

From: Body mass index and physical fitness among Chinese adolescents from Shandong Province: a cross-sectional study

 

Total Sample

(N = 27,955)

Girls

(n = 13,791)

Boys

(n = 14,164)

Age (years)

14.4 (1.8)

14.4 (1.8)

14.3 (1.8)

BMI (kg/m2)

20.2 (3.6)

19.9 (3.3)

20.5 (4.0)

Sprint Run (sec)

8.7 (1.3)

9.2 (1.2)

8.2 (1.2)

Long Jump (cm)

180.5 (43.6)

165.6 (31.3)

194.5 (48.7)

Sit-and-Reach (cm)

11.6 (7.6)

13.3 (7.0)

9.9 (7.7)

Girl Distance Run (sec)

247.9 (40.9)

Boy Distance Run (sec)

272.7 (53.5)

Sit-up (Girls; reps)

31.8 (10.6)

Pull-up (Boys; reps)

5.1 (5.5)

  1. BMI stands for Body Mass Index; bold denotes statistical significance, p ≤ 0.05