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Table 1

Characteristics of subjects examined at age 2 years (range 22–30 months)

MaleFemaleP value
n 598 567  
Age (years) 2.15 ± 0.11 2.14 ± 0.11 0.07 
Height (cm) 88.8 ± 3.6 87.5 ± 3.6 <0.001 
Height Z score 0.19 ± 1.15 0.12 ± 1.11 0.28 
Weight (kg) 13.9 ± 1.6 13.2 ± 1.6 <0.001 
Weight Z score 0.64 ± 1.01 0.57 ± 1.02 0.19 
BMI (kg/m217.6 ± 1.5 17.2 ± 1.6 <0.001 
BMI Z score 0.67 ± 1.05 0.59 ± 1.09 0.18 
BMI Z score ≥85% 219/587 (37.3) 183/554 (33.0) 0.13 
BMI Z score ≥95% 104/587 (17.7) 86/554 (15.5) 0.32 
Head circumference (cm) 50.3 ± 1.4 49.1 ± 1.4 <0.001 
Head circumference Z score −0.12 ± 1.05 −0.09 ± 1.18 0.64 
Arm circumference (cm) 16.0 ± 1.5 15.8 ± 1.3 0.02 
Triceps skinfold (mm) 11.4 ± 2.4 11.6 ± 2.5 0.13 
Subscapular skinfold (mm) 6.3 ± 1.9 6.7 ± 2.0 <0.001 
Suprailiac skinfold (mm) 7.8 ± 3.0 8.4 ± 3.0 0.002 
Sum of skinfolds (mm) 25.5 ± 6.1 26.7 ± 6.1 0.001 
MaleFemaleP value
n 598 567  
Age (years) 2.15 ± 0.11 2.14 ± 0.11 0.07 
Height (cm) 88.8 ± 3.6 87.5 ± 3.6 <0.001 
Height Z score 0.19 ± 1.15 0.12 ± 1.11 0.28 
Weight (kg) 13.9 ± 1.6 13.2 ± 1.6 <0.001 
Weight Z score 0.64 ± 1.01 0.57 ± 1.02 0.19 
BMI (kg/m217.6 ± 1.5 17.2 ± 1.6 <0.001 
BMI Z score 0.67 ± 1.05 0.59 ± 1.09 0.18 
BMI Z score ≥85% 219/587 (37.3) 183/554 (33.0) 0.13 
BMI Z score ≥95% 104/587 (17.7) 86/554 (15.5) 0.32 
Head circumference (cm) 50.3 ± 1.4 49.1 ± 1.4 <0.001 
Head circumference Z score −0.12 ± 1.05 −0.09 ± 1.18 0.64 
Arm circumference (cm) 16.0 ± 1.5 15.8 ± 1.3 0.02 
Triceps skinfold (mm) 11.4 ± 2.4 11.6 ± 2.5 0.13 
Subscapular skinfold (mm) 6.3 ± 1.9 6.7 ± 2.0 <0.001 
Suprailiac skinfold (mm) 7.8 ± 3.0 8.4 ± 3.0 0.002 
Sum of skinfolds (mm) 25.5 ± 6.1 26.7 ± 6.1 0.001 

Data are means ± SD or n (%).

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