Table 1 Characteristics of analysis group by age group

From: Reference values for leptin and adiponectin in children below the age of 10 based on the IDEFICS cohort

Age

Girls

Boys

 

N

BMIa (kg m−2)

BMIa z-score

BFM a (kg)

BFMa (%)

Adiponectinb (μg ml−1)

Leptinb (ng ml−1)

N

BMIa (kg m−2)

BMIa z-score

BFM a (kg)

BFMa (%)

Adiponectinb (μg ml−1)

Leptinb (ng ml−1)

3.0–<3.9

47

16.2 (1.0)

0.4 (0.7)

2.8 (0.7)

16.8 (2.9)

13.4 (9.6, 17.0)

2.0 (1.5, 3.8)

42

16.3 (0.9)

0.3 (0.7)

2.6 (0.6)

15.6 (2.5)

13.1 (9.7, 16.3)

1.5 (1.1, 2.5)

4.0–<4.9

33

15.8 (0.8)

0.3 (0.6)

3.0 (0.7)

16.6 (2.5)

11.7 (9.7, 15.7)

1.9 (1.5, 2.7)

33

16.0 (0.8)

0.3 (0.6)

2.8 (0.7)

15.1 (2.3)

11.7 (8.9, 13.8)

1.3 (1.0, 1.7)

5.0–<5.9

32

15.6 (0.9)

0.2 (0.6)

3.3 (0.8)

16.5 (3.2)

11.8 (9.4, 13.8)

2.3 (1.7, 2.9)

28

15.7 (0.9)

0.1 (0.7)

2.9 (0.8)

14.5 (3.2)

11.1 (7.3, 15.9)

1.2 (0.9, 2.4)

6.0–<6.9

41

15.8 (1.1)

0.3 (0.6)

3.9 (1.0)

16.9 (2.7)

9.6 (7.8, 13.1)

2.7 (1.5, 3.7)

45

15.8 (1.0)

0.2 (0.6)

3.1 (0.9)

13.6 (2.9)

9.1 (6.9, 11.9)

1.3 (0.8, 2.5)

7.0–<7.9

72

15.9 (1.0)

0.2 (0.5)

4.3 (1.2)

16.5 (3.1)

10.5 (7.7, 12.8)

2.0 (1.4, 3.8)

65

15.9 (1.2)

0.2 (0.7)

3.8 (1.3)

14.5 (3.5)

9.7 (6.9, 11.5)

1.7 (1.0, 3.3)

8.0–<8.9

58

16.3 (1.2)

0.3 (0.6)

5.1 (1.7)

18.2 (3.8)

11.3 (8.0, 14.5)

2.9 (1.9, 6.2)

43

16.3 (1.3)

0.3 (0.7)

4.6 (1.7)

16.0 (4.4)

9.5 (6.9, 12.3)

1.8 (1.0, 2.8)

Overall

283

16.0 (1.1)

0.3 (0.6)

3.9 (1.4)

17.0 (3.2)

11.2 (8.5, 14.8)

2.3 (1.5, 3.8)

256

16.0 (1.1)

0.2 (0.7)

3.4 (1.3)

14.9 (3.3)

10.4 (7.2, 13.3)

1.5 (1.0, 2.6)

  1. Abbreviations: BFM, body fat mass (see Nagy et al.,23 this issue); BMI, body mass index.
  2. aData of normally distributed parameters are presented as mean values (s.d.).
  3. bData of parameters with skewed distributions are presented as median (25th, 75th percentile).
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