Table 1 Infant characteristics

Sex, n (%)

 Female

14 (40)

14 (39)

1.000

 Male

21 (60)

22 (61)

Race, n (%)

 White

11 (32)

14 (40)

0.618

 Black

23 (68)

21 (60)

Ethnicity, n (%)

 Hispanic

13 (37)

15 (42)

0.809

 Non-Hispanic

22 (63)

21 (58)

Birth anthropometrics^a

 Weight (g)

3321.8 ± 70.9

3282.3 ± 70.1

0.690

 Length (cm)

50.8 ± 0.3

50.6 ± 0.3

0.726

 Head circumference (cm)

34.5 ± 0.2

34.4 ± 0.2

0.637

Age at randomization (days)^a

19.7 ± 0.8

19.3 ± 0.8

0.693