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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