Dietary Macronutrient Intake During the First 10 Years of Life in a Cohort of Italian Children

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Abstract
Objective: To describe the longitudinal pattern of dietary energy and macronutrient intakes during the first 10 years of life in a sample of healthy Italian children. Patients and Methods: Sixty-one healthy children were followed from birth to 10 years of age. At 1, 5, 8, and 10 years of age, anthropometric measurements were taken and nutritional habits evaluated using a standardized food frequency questionnaire. Results: Compared to the Italian recommended dietary allowances, the children's diet was high in protein at any age, high in lipids from age 5 onward, and high in calories at 5 years of age. At 1 year, mean (SD) protein, carbohydrate, and lipid intake, expressed as percentage of total energy, was 20% (3%), 48% (7%), and 34% (5%), respectively. Afterward, the corresponding mean value ranged around 14% to 15%, 57% to 60%, and 29% to 32%. The mean glycemic load and overall glycemic index ranged around 143 to 150 and 58 to 59, respectively. A difference between boys and girls was found in the longitudinal pattern for the intake of energy (P < 0.0001) and glycemic load (P < 0.0001). The individual longitudinal dietary pattern varied over time for the intake of total energy (P < 0.0001), any macronutrient (P < 0.0001), and overall glycemic index (P = 0.05). Conclusions: Although the amount of energy intake was in accordance with the Italian recommended dietary allowances, children consumed a high-protein and high-lipid diet. Early and continuous dietary education of children and parents may provide support for adequate nutritional habits throughout their childhood.