Cover Image

PAPERBACK
$34.95



View/Hide Left Panel

Dietary Guidelines for Americans, 33

Dietary intake data.

See also Dietary survey data;

Measuring dietary intakes;

Observed intakes;

Usual intakes of nutrients

accuracy of nutrient analysis of, 46-47

collection, 49-50, 60, 94, 96, 99, 151-154, 159, 164, 235

factors influencing, 48, 150, 163

for household-level assessments, 104, 156-157, 235-236

for individual assessments, 49-50, 54

interpretation of, 51

quality of, 17, 163-165

RDAs and RNIs, 32-33, 38

research recommendations, 163-165

under-reporting, 17, 48, 58, 153-154, 160, 164

usual intake reflected in, 60

Dietary records

one-day, 10, 99-100, 101-102, 127-128

three-day, 54, 56, 94, 200

nonconsecutive days, 94, 127-128

seven-day, 67

weighed food, 153

Dietary Reference Intakes (DRIs)

age and, 149

adjustment for specific individuals and populations, 41, 147-150, 163

applicable population, 3, 22, 26, 41

applications in individual-level assessments, 4, 46, 66-69

availability and reliability of data, 27

body weight and, 148

categories;

see Adequate Intakes;

Estimated Average Requirements;

Recommended Dietary Allowances;

Tolerable Upper Intake Levels

characteristics of usual nutrient intake by, 129

criteria for, 3-4, 22, 27

defined, 1, 22, 256

describing dietary survey data with, 14-15, 127, 128-129

effects of variation in, 23

energy intake and, 149-150, 163

framework, 3-4, 182

group-level applications of, 2, 4, 7-13, 14-15, 127-143

individual-level applications of, 2, 4, 46, 66-69

origin, 2, 179-180

parameters for, 181-184;

see also Lifestage groups;

Reference heights and weights

physiological stage and, 149

properties of, 26

RDAs and RNIs contrasted, 2-3, 22-23

risk of inadequacy, 24

single-endpoint approach, 3-4, 22

uncertainty in, 27

Dietary reference standards

changes over time, 2, 29-31

choosing for individuals, 50-51

conceptual framework, 2, 30-31

current uses, 29-42

defined, 255

primary applications, 2, 29-30

users, 31

Dietary status, defined, 255

Dietary survey data

adjusting intake distributions, 96, 128

describing, 14-15, 127, 128-129

distribution of usual intakes from, 10, 14-15, 96, 127-128, 133-134, 142-143, 205-206

evaluating, 14-15, 127, 128, 132-143

and group-level assessments, 10, 96, 98-102, 128-129, 132-143

pooling for standard deviation in intakes, 53, 54-55, 58, 64, 65, 195-196, 198-199, 200, 201-202

sample size considerations, 98-99

sampling weights, 96, 133

Disease risk assessment, 36-37, 40

Distribution of observed intakes.

See also Adjusting intake distributions

defined, 256

and individual-level assessments, 61-62, 190, 198-199, 201

skewed/asymmetrical, 56, 61-62, 95-96, 190, 196, 197, 201

usual intake distribution estimated from, 94

variance of, 94

Distribution of requirements.

See also Joint distribution of intake and requirement;

Nutrient requirements

and bias, 197

and cut-point method, 11, 81, 83, 86, 89-91, 163, 208, 209, 212, 229-231



The National Academies | 500 Fifth St. N.W. | Washington, D.C. 20001
Copyright © National Academy of Sciences. All rights reserved.
Terms of Use and Privacy Statement