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Table 4 Least squares means and standard error of anthropometric variables and body fat at age 13–14 years according to weight gain status

From: Infant weight gain and DXA-measured adolescent adiposity: data from the Japan Kids Body-composition Study

 

Non-RWG

RWG

p value for ANCOVA

Boys

 BMI

18.2 ± 0.4

19.7 ± 0.4

< 0.01

 WC

66.0 ± 1.1

70.3 ± 1.2

< 0.01

 Fat mass index

2.4 ± 0.2

3.1 ± 0.2

< 0.01

 Body fat percentage

12.9 ± 0.7

15.2 ± 0.8

< 0.01

Girls

 BMI

19.8 ± 0.4

20.8 ± 0.4

0.01

 WC

68.3 ± 0.9

70.5 ± 1.0

0.02

 Fat mass index

4.7 ± 0.2

5.3 ± 0.2

0.01

 Body fat percentage

22.9 ± 0.7

24.5 ± 0.7

0.03

  1. BMI body mass index, WC waist circumference, RWG rapid weight gain, ANCOVA analysis of covariance
  2. Adjusted for gestational age and birthweight for gestational age categories in boys
  3. Adjusted for gestational age, pubic hair appearance, and birthweight for gestational age categories in girls