Table 1

Infant growth characteristics

Breast-fed (BF)

Formula-fed (FF)

Sample size

6

6

Maternal age

30.0 ± 4.6

30.7 ± 5.9

Parity

2.0 ± 0.0

2.1 ± 0.6

Infant gender

5 male/1 female

4 male/2 female

Length at birth (cm)

53.2 ± 3.1

51.0 ± 2.5

Body weight (kg)

At birth

3.79 ± 0.50^a

3.46 ± 0.20^a

At month 1

4.98 ± 0.73^b

4.61 ± 0.65^b

At month 2

6.43 ± 0.73^c

5.66 ± 0.85^c

At month 3

7.02 ± 0.72^d

6.45 ± 0.96^d

BF or FF diet intake (ml/kg/day)

At month 1

166.0 ± 18.3^a

162.5 ± 28.4^a

At month 2

127.6 ± 19.5^a

138.5 ± 14.3^a,b

At month 3

129.0 ± 20.1^b

134.8 ± 9.5^b

Values are means ± standard deviation. Superscripts indicate significant differences over time, P = 0.001.

Schwartz et al. Genome Biology 2012 13:r32   doi:10.1186/gb-2012-13-4-r32