Table 2 Anthropometric measurements at each study point in enrolled infants
Formula A group | Formula B group | Breastfeeding group | P | ||
|---|---|---|---|---|---|
Weight (g) | Enrolment | 3095.3 ± 333 | 2999.9 ± 428 | 2971.8 ± 444 | ns |
2 months | 5341.5 ± 623 | 5174.1 ± 621 | 4999.2 ± 651 | c: 0.033 | |
4 months | 6856.5 ± 832 | 6685.9 ± 800 | 6480.9 ± 823 | ns | |
Weight z-score | Enrolment | −0.32 ± 0.8 | − 0.52 ± 1.1 | − 0.69 ± 1.0 | ns |
2 months | −0.08 ± 0.7 | − 0.35 ± 0.9 | − 0.55 ± 0.9 | c: 0.033 | |
4 months | 0.12 ± 0.9 | −0.18 ± 0.9 | −0.35 ± 0.9 | c: 0.048 | |
Length (cm) | Enrolment | 49.7 ± 1.9 | 49.1 ± 2.0 | 49.1 ± 2.3 | ns |
2 months | 57.1 ± 2.5 | 56.8 ± 2.8 | 57.1 ± 2.4 | ns | |
4 months | 63.1 ± 2.2 | 62.5 ± 2.6 | 62.8 ± 2.4 | ns | |
Length z-score | Enrolment | −0.38 ± 0.91 | −0.51 ± 1.2 | −0.55 ± 1.1 | a: 0.018 |
2 months | −0.26 ± 1.1 | −0.61 ± 1.2 | − 0.32 ± 1.1 | ns | |
4 months | 0.08 ± 0.9 | −0.31 ± 1.1 | −0.14 ± 0.9 | ns | |
Head circumference (cm) | Enrolment | 34.2 ± 1.1 | 33.9 ± 1.3 | 34.1 ± 1.1 | ns |
2 months | 39.1 ± 1.4 | 39.0 ± 1.6 | 38.2 ± 1.3 | b: 0.016 c: 0.009 | |
4 months | 41.5 ± 1.5 | 41.7 ± 1.6 | 40.8 ± 1.4 | b: 0.01 | |
Head circumference z-score | Enrolment | −0.35 ± 0.8 | −0.65 ± 1.0 | −0.35 ± 0.9 | ns |
2 months | 0.24 ± 1.0 | 0.20 ± 1.2 | −0.38 ± 0.9 | b: 0.034 c: 0.017 | |
4 months | 0.50 ± 1.1 | 0.39 ± 1.0 | −0.24 ± 1.0 | b: 0.020 c: 0.020 |