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Table 3 Associations between months of lactation, maternal age, maternal BMI, birth order, breastfeeding frequency, and human milk composition using multiple linear regression

From: Macronutrient, immunoglobulin a and total antioxidant capacity profiles of human milk from 1 to 24 months: a cross-sectional study in Thailand

  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)
  1. A p-value less than 0.05 was regarded as significant. CI confidence interval, B unstandardized beta, SE standard error
  2. Maternal age, maternal BMI, birth order, and breastfeeding frequency were analyzed as covariates