Table 3 Associations between months of lactation, maternal age, maternal BMI, birth order, breastfeeding frequency, and human milk composition using multiple linear regression
Protein (g/dL) | Fat (g/dL) | Energy (kcal/dL) | Carbohydrate (g/dL) | IgA (mg/dL) | TAC (mM) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
B (SE) | 95% CI | B (SE) | 95% CI | B (SE) | 95% CI | B (SE) | 95% CI | B (SE) | 95% CI | B (SE) | 95% CI | |
Months of lactation | 0.09 (0.05) | − 0.01, 0.19 (p = 0.06) | 0.31 (0.09) | 0.13, 0.49 (p = 0.001) | 3.11 (0.92) | 1.30, 4.92 (p = 0.001) | − 0.22 (0.01) | − 0.22, − 0.01 (p = 0.04) | 4.17 (1.08) | 2.03, 6.31 (p < 0.001) | − 0.04 (0.06) | − 0.15, 0.08 (p = 0.54) |
Maternal age | − 0.01 (0.01) | − 0.03, 0.02 (p = 0.62) | − 0.03 (0.02) | − 0.08, 0.01 (p = 0.18) | − 0.32 (0.23) | − 0.78, 0.14 (p = 0.17) | 0.02 (0.01) | − 0.004, 0.05 (p = 0.09) | − 0.40 (0.28) | − 0.95, 0.14 (p = 0.15) | 0.03 (0.02) | − 0.01, − 0.05 (p = 0.10) |
Maternal BMI | 0.02 (0.01) | − 0.003, 0.048 (p = 0.09) | 0.09 (0.02) | 0.04, 0.14 (p < 0.001) | 0.88 (0.24) | 0.40, 1.36 (p < 0.001) | − 0.04 (0.01) | − 0.06, − 0.01 (p = 0.02) | −0.40 (0.29) | − 0.96, 0.14 (p = 0.17) | −0.02 (0.02) | − 0.05, 0.02 (p = 0.35) |
Birth order | −0.02 (0.09) | − 0.19, 0.16 (p = 0.85) | 0.19 (0.16) | − 0.13, 0.52 (p = 0.25) | 1.92 (1.64) | − 1.33, 5.16 (p = 0.25) | − 0.22 (0.16) | −0.22, 0.27 (p = 0.77) | − 0.15 (1.94) | −3.98, 3.69 (p = 0.94) | −0.003 (0.11) | − 0.21, 0.20 (p = 0.98) |
Breastfeeding frequency | −0.01 (0.01) | − 0.04, 0.01 (p = 0.27) | −0.001 (0.023) | − 0.05, 0.04 (p = 0.97) | −0.01 (0.23) | − 0.46, 0.44 (p = 0.97) | −0.04 (0.02) | − 0.04, 0.01 (p = 0.39) | −0.20 (0.27) | − 0.73, 0.33 (p = 0.45) | 0.02 (0.02) | − 0.004, 0.05 (p = 0.10) |