HLTH 4320 Week 4 Childhood Requirements Table Example

Childhood Nutrient Requirements From Ages 1 to 13 in One Table: Six Nutrients, Three Age Groups, the Value Type for Every Cell and the Report Behind Each Row

Student Name

Walden University

HLTH 4320: Nutrition Across the Lifespan

Instructor Name

Month Day, Year

Childhood Nutrient Requirements From Ages 1 to 13 in One Table: Six Nutrients, Three Age Groups, the Value Type for Every Cell and the Report Behind Each Row

Purpose of the Table

Children's nutrient requirements change quickly between ages 1 and 13, and the Dietary Reference Intakes divide childhood into three groups: 1 to 3 years, 4 to 8 years and 9 to 13 years, with boys and girls separated from age 9. This paper sets out six nutrients across those groups in one table, then explains how the table should be read. A requirements table is judged on its columns, units and sourcing more than on argument, so the prose here explains the choices behind the table rather than discussing diets.

The Table

Table 1

Selected Daily Reference Values for Children, Ages 1 to 13

RDA = Recommended Dietary Allowance; AI = Adequate Intake; CDRR = Chronic Disease Risk Reduction Intake, a ceiling: intakes above it are expected to raise chronic disease risk. Where boys and girls differ, both values are shown.

Reading the Columns

Units

Each row uses the unit of the source report: milligrams for calcium, iron and sodium; grams for protein and fiber; and international units for vitamin D. Vitamin D can also be expressed in micrograms (600 IU equals 15 µg); the table uses IU because that is how the values appear in the summary of the 2011 report most clinicians read (Ross et al., 2011). Mixing units within a row, for example listing one age group in micrograms and another in IU, is a common error in student tables and makes comparison impossible.

Value Types

The value-type column matters as much as the numbers. An RDA covers about 97 to 98% of healthy children in its group, so a child eating at or above it is very likely getting enough. An AI is used when evidence was not strong enough to set an average requirement; fiber has an AI, so an intake below 25 g for a 6-year-old does not show that the child's needs are unmet, only that adequacy cannot be confirmed (Institute of Medicine, 2006). Sodium is different again. The 2019 report set an Adequate Intake for sodium and, separately, a Chronic Disease Risk Reduction Intake: intakes above the CDRR are expected to raise risk, so the CDRR works as a ceiling rather than a target (National Academies of Sciences, Engineering, and Medicine, 2019). Listing the sodium CDRR beside calcium RDAs without saying so would invite a reader to treat it as an amount children should reach.

Sources

Each row comes from a different report, published between 2001 and 2019. The reports were written at different times, by different committees, with different evidence available. Calcium and vitamin D values reflect the 2011 review, which raised the vitamin D values for children from the earlier figure (Institute of Medicine, 2011). Iron values come from the 2001 report on micronutrients (Institute of Medicine, 2001). Protein and fiber come from the 2005 macronutrient report (Institute of Medicine, 2005). A table citing only a single compiled guide would hide these dates, which matter when a reader wants to know how current a value is.

What the Table Shows

Three patterns stand out. Calcium needs rise sharply at age 9, from 1,000 to 1,300 mg, because bone accrual accelerates in early adolescence. Iron needs fall slightly from ages 4-8 to 9-13 before rising again in adolescence, particularly for girls after menstruation begins, a change that falls outside this table's age range. And vitamin D stays constant at 600 IU from age 1, which reflects the 2011 committee's judgment that the same serum level supports bone health across these ages under minimal sun exposure (Ross et al., 2011).

How a Reader Should Use the Table

The table is a planning tool. A parent, teacher or dietitian planning meals for a child can use the RDA rows as targets and the fiber row as a guide whose shortfall is uncertain rather than harmful. A researcher assessing a group of children should not use these rows at all for that purpose; group assessment calls for the Estimated Average Requirement, which this table does not list, because comparing a group's intakes with the RDA overstates how many are short (Institute of Medicine, 2006). And anyone using the sodium row should read it as a limit to stay under. The same table, in other words, answers different questions for different readers, and the value-type column is what tells them which question each row can answer.

A second use is checking food labels. Label Daily Values are set for adults and children 4 and older, and for several nutrients they differ from the childhood values here. The calcium Daily Value, 1,300 mg, matches only the 9 to 13 group; for a 5-year-old, a food supplying 10% of the Daily Value supplies about 13% of the RDA. A reader moving between labels and this table should convert, not assume.

Limits of the Table

The table covers healthy children and is not a guide for children with medical conditions. It lists only six nutrients and does not include energy, which is estimated from age, sex, size and activity rather than given as a single value. Its age bands are those of the Dietary Reference Intakes; a child of 3 years and 11 months and one of 4 years and 1 month fall into different columns, though their needs are nearly the same. And reference values describe intake goals, not what children actually eat, which requires survey data.

Conclusion

The table sets out six nutrients for three childhood age groups, with each cell's value type and each row's source report stated. Read correctly, it shows a rise in calcium needs at age 9, constant vitamin D needs and an iron value that dips before adolescence, and it marks sodium's value as a ceiling rather than a target.

References

Institute of Medicine. (2001). Dietary Reference Intakes for vitamin A, vitamin K, arsenic, boron, chromium, copper, iodine, iron, manganese, molybdenum, nickel, silicon, vanadium, and zinc. The National Academies Press. https://doi.org/10.17226/10026

Institute of Medicine. (2005). Dietary Reference Intakes for energy, carbohydrate, fiber, fat, fatty acids, cholesterol, protein, and amino acids. The National Academies Press. https://doi.org/10.17226/10490

Institute of Medicine. (2006). Dietary Reference Intakes: The essential guide to nutrient requirements (J. J. Otten, J. P. Hellwig, & L. D. Meyers, Eds.). The National Academies Press. https://doi.org/10.17226/11537

Institute of Medicine. (2011). Dietary Reference Intakes for calcium and vitamin D (A. C. Ross, C. L. Taylor, A. L. Yaktine, & H. B. Del Valle, Eds.). The National Academies Press. https://doi.org/10.17226/13050

National Academies of Sciences, Engineering, and Medicine. (2019). Dietary Reference Intakes for sodium and potassium. The National Academies Press. https://doi.org/10.17226/25353

Ross, A. C., Manson, J. E., Abrams, S. A., Aloia, J. F., Brannon, P. M., Clinton, S. K., Durazo-Arvizu, R. A., Gallagher, J. C., Gallo, R. L., Jones, G., Kovacs, C. S., Mayne, S. T., Rosen, C. J., & Shapses, S. A. (2011). The 2011 report on dietary reference intakes for calcium and vitamin D from the Institute of Medicine: What clinicians need to know. The Journal of Clinical Endocrinology & Metabolism, 96(1), 53-58. https://doi.org/10.1210/jc.2010-2704