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. 2021 Aug 27;40:10. doi: 10.1186/s40101-021-00261-1

Table 4.

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

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

BMI body mass index, WC waist circumference, RWG rapid weight gain, ANCOVA analysis of covariance

Adjusted for gestational age and birthweight for gestational age categories in boys

Adjusted for gestational age, pubic hair appearance, and birthweight for gestational age categories in girls