Table 1.
Baseline characteristics of the two infant groups at birth and at time of enrolment
| Birth | Intervention group Mean (SD) |
Standardized fortification group Mean (SD) |
p value |
|---|---|---|---|
| Gestational age (weeks) | 29.1 (1.03) | 29.5 (1.18) | 0.5 |
| Weight (g) | 1223 (195) | 1287 (190) | 0.8 |
| Length (cm) | 37.2 (3.09) | 38.5 (2.26) | 0.3 |
| Head circumference (cm) | 26.7 (2.84) | 27.8 (1.83) | 0.5 |
| Enrolment | |||
| Gestational age (weeks) | 31.4 (0.97) | 32.2 (0.63) | 0.1 |
| Weight (g) | 1412 (231) | 1557 (173) | 0.3 |
| Length (cm) | 38.5 (3.4) | 40.2 (2.1) | 0.3 |
| Head circumference (cm) | 27.3 (2.03) | 28.2 (1.13) | 0.5 |