Distribution of nutrient intake across meals in the united states population

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Abstract
The Nationwide Food Consumption Survey data can be used to examine the appropriateness of the nutritional contribution of various domestic food programs. Data from the seven‐day household food records and individual 24‐hour recall showed widely disparate results and the reasons for this discrepancy were sought. The hypothesis that nutrients may not be equally distributed across meals as assumed by the definition of the seven‐day household record was tested and confirmed from individual 24‐hour recall data. The daily nutrient distribution was highly dependent on the meal consumed and the age of the individual. Approximately half of an individual's daily energy intake was being taken at the dinner meal. Intake of many of the other 14 nutrients (protein, calcium, iron, vitamin A, vitamin C, magnesium, phosphorus, niacin, thiamin, riboflavin, vitamin B6, vitamin B12, fats and carbohydrates) was similar. Snacks accounted for approximately 7–16 percent of one's daily nutrient intake with the higher percentages being those of preschoolers and teenagers. Sex differences were insignificant, as was the variable which measured whether or not the food was eaten from household supplies. These results are helpful in adjusting the data provided by the seven‐day household food records. Furthermore, they are useful for purposes of planning and evaluating the nutritional contribution of food programs and for nutrition education.

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