Table 1.
Infant demographic information at enrollment
Randomized formula-fed group Formula lutein concentration (mcg/l) | Breastfed group | ||||
---|---|---|---|---|---|
20 [Control] (n = 6) | 45 (n = 6) | 120 (n = 7) | 225 (n = 7) | Human milk (n = 14) | |
Age at enrollment (days) | |||||
Mean ± SD | 13 ± 1.3 | 12 ± 2.7 | 13 ± 2.1 | 14 ± 1.1 | 13 ± 2.1 |
Median | 13 | 12 | 14 | 14 | 13 |
Range | 11–15 | 9–15 | 10–16 | 12–15 | 9–15 |
Female sex [n (%)] | 4 (67) | 3 (50) | 5 (71) | 5 (71) | 7 (50) |
Race [n (%)] | |||||
White | 5 (83) | 5 (83) | 6 (86) | 4 (57) | 12 (86) |
Black | 1 (17) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Other | 0 (0) | 1 (17) | 1 (14) | 3 (43) | 2 (14) |
Anthropometrics | |||||
Weight (kg) | 3.8 ± 0.4 | 3.9 ± 0.6 | 3.3 ± 0.4 | 3.9 ± 0.4 | 3.8 ± 0.4 |
Length (cm) | 51.1 ± 1.5 | 52.5 ± 3.4 | 50.1 ± 2.8 | 51.4 ± 1.1 | 51.8 ± 2.2 |
Head circumference (cm) | 35.9 ± 1.2 | 36.1 ± 0.8 | 34.7 ± 1.2 | 36.2 ± 1.3 | 36.1 ± 1.2 |