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Table 2 Fat mass and anthropometric data according to type of feeding in infants at 6 months

From: Anthropometric and clinical correlates of fat mass in healthy term infants at 6 months of age

 

All

n = 102

Exclusive/predominant Breastfeeding

n = 26

Breastfeeding up to 6 months + Formula

n = 47

Breastfeeding

< 6 months + Formula

n = 29

BMI (kg/m2)

17.4 ± 1.6

17.8 ± 2.0

17.3 ± 1.3

17.1 ± 1.6a

Waist circumference (cm)

39.4 ± 2.7

40.0 ± 3.1

39.3 ± 2.8

39.1 ± 2.2

Triceps skinfold (mm)

8.1 ± 1.9

8.6 ± 2.2

7.7 ± 1.6a

8.2 ± 1.9

Skinfolds sum (mm)

21.6 ± 4.5

23.2 ± 5.7

20.9 ± 3.6a

21.3 ± 4.4a

Fat mass (%)

25.8 ± 5.9

29.4 ± 5.6

24.9 ± 5.8b

23.9 ± 5.2c

Fat mass (kg)

1.9 ± 0.6

2.1 ± 0.6

1.8 ± 0.6b

1.7 ± 0.4a

FMI (FMkg/length2)

4.5 ± 1.4

5.3 ± 1.5

4.3 ± 1.3b

4.2 ± 1.1c

  1. Data are shown as Mean ± SD
  2. One-way ANCOVA. LSD post hoc test. ap < 0.05, bp < 0.01 and cp < 0.001 vs Exclusive/predominant breastfeeding
  3. Model adjusted by sex, BMI/A (z-score) at birth and pre-gestational BMI (kg/m2)
  4. BMI Body mass index, FMI Fat mass index, FMkg kilograms of fat mass