Table 8.

Longitudinal analysis of the relationship between changes in micronutrient content in human milk and fluctuation in mothers’ nutrient, supplement, and food group intake according to the 5-day dietary record (GEE models).

Micronutrients in HM	Associated Variables	Coef	SE	z	p > |z|	95% CI
Vitamin D3 + 25(OH)D3, pg/mL Mothers = 143 Wald chi2(1) = 4.88 p > chi2 = 0.027	Meat, Fish, and eggs servings/day	243.203	110.057	2.21	0.027	[27.494, 458.911]
Free riboflavin, mcg/L Mothers = 51 Wald chi2(2) = 39.56 p > chi2 = <0.001	B2 intake * mg/day	7.312	11.541	0.63	0.526	[−15.308, 29.931]
	B2 supplement mg/day	28.642	12.214	2.35	0.019	[4.703, 52.581]
Pyridoxal, mcg/L Mothers = 51 Wald chi2(2) = 17.08 p > chi2 = <0.001	B6 supplement mg/day	6.284	1.885	3.33	0.001	[2.589, 9.978]
	Fruit servings/day	2.006	0.831	2.41	0.016	[0.377, 3.634]
Selenium, ppb Mothers = 143 Wald chi2(1) = 4.67 p > chi2 = 0.031	Meat, Fish, and eggs servings/day	0.158	0.073	2.16	0.031	[0.015, 0.301]

In free riboflavin and pyridoxal models, 51 mothers registered intake of vitamin B₁ and vitamin B₆ supplements. * Control variable. Abbreviation: coef, coefficient; SE, standard error; ppb, parts per billion.