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Table 1 Characteristics of Study Participants

From: The relationship between obesity and body compositions with respect to the timing of puberty in Chongqing adolescents: a cross-sectional study

Indicators

Boys (n = 782)

Girls (n = 690)

Age (Mean ± SD)

 

11.72 ± 2.09

11.02 ± 2.66

School

 

Urban school

421

333

 

Village school

361

357

Grade

 

Grade two

-

203

 

Grade three

109

102

 

Grade four

225

-

 

Grade seven

221

181

 

Grade eight

227

204

Anthropometric

 

Height (cm)

147.57 ± 13.84

142.37 ± 14.59

 

Weight(kg)

41.81 ± 13.70

38.12 ± 13.72

 

Triceps skinfold (mm)

6.60 ± 3.04

7.54 ± 3.29

 

Subscapular skinfold (mm)

5.03 ± 3.22

5.86 ± 2.70

 

Suprailiac skinfold (mm)

5.14 ± 3.28

7.72 ± 3.74

Body compositions

 

BD(kg/L)

1.07 ± 0.01

1.06 ± 0.01

 

%BF

12.51 ± 3.35

15.43 ± 4.44

 

FM(kg)

5.49 ± 3.12

5.66 ± 3.40

 

FFM(kg)

36.47 ± 11.13

32.74 ± 11.07

  1. BD: body density, %BF: percentage of body fat, FM: fat mass, FFM: fat-free mass, BMI: body mass index
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