Update on NHANES dietary data

Focus on collection, release, analytical considerations, and uses to inform public policy

Namanjeet Ahluwalia, Johanna Dwyer, Ana Terry, Alanna Moshfegh, Clifford Johnson

Research output: Contribution to journalReview article

100 Citations (Scopus)

Abstract

NHANES is the cornerstone for national nutrition monitoring to inform nutrition and health policy. Nutritional assessment in NHANES is described with a focus on dietary data collection, analysis, and uses in nutrition monitoring. NHANES has been collecting thorough data on diet, nutritional status, and chronic disease in cross-sectional surveys with nationally representative samples since the early 1970s. Continuous data collection began in 1999 with public data release in 2-y cycles on ~ 10,000 participants. In 2002, the Continuing Survey of Food Intakes by Individuals and the NHANES dietary component weremerged, forming a consolidated dietary data collection known as What We Eat in America; since then, 24-h recalls have been collected on 2 d using the USDA's Automated Multiple-Pass Method. Detailed and targeted food-frequency questionnaires have been collected in some NHANES cycles. Dietary supplement use data have been collected (in detail since 2007) so that total nutrient intakes can be described for the population. The continuous NHANES can adapt its content to address emerging public health needs and reflect federal priorities. Changes in data collection methods are made after expert input and validation/crossover studies. NHANES dietary data are used to describe intake of foods, nutrients, food groups, and dietary patterns by the US population and large sociodemographic groups to plan and evaluate nutrition programs and policies. Usual dietary intake distributions can be estimated after adjusting for day-to-day variation. NHANES remains open and flexible to incorporate improvements while maintaining data quality and providing timely data to track the nation's nutrition and health status. In summary, NHANES collects dietary data in the context of its broad, multipurpose goals; the strengths and limitations of these data are also discussed in this review.

Original languageEnglish (US)
Pages (from-to)121-134
Number of pages14
JournalAdvances in Nutrition
Volume7
Issue number1
DOIs
StatePublished - Jan 1 2016

Fingerprint

National Health and Nutrition Examination Survey
Nutrition Surveys
public policy
Public Policy
nutrition monitoring
nutrition policy
Food
Nutrition Policy
Nutritional Status
nutritional status
food intake
Eating
Continuing Survey of Food Intakes by Individuals
United States Department of Agriculture
health policy
Nutrition Assessment
nutrition assessment
Validation Studies
food and nutrition programs
food groups

All Science Journal Classification (ASJC) codes

  • Food Science
  • Medicine (miscellaneous)
  • Nutrition and Dietetics

Cite this

Ahluwalia, Namanjeet ; Dwyer, Johanna ; Terry, Ana ; Moshfegh, Alanna ; Johnson, Clifford. / Update on NHANES dietary data : Focus on collection, release, analytical considerations, and uses to inform public policy. In: Advances in Nutrition. 2016 ; Vol. 7, No. 1. pp. 121-134.
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Update on NHANES dietary data : Focus on collection, release, analytical considerations, and uses to inform public policy. / Ahluwalia, Namanjeet; Dwyer, Johanna; Terry, Ana; Moshfegh, Alanna; Johnson, Clifford.

In: Advances in Nutrition, Vol. 7, No. 1, 01.01.2016, p. 121-134.

Research output: Contribution to journalReview article

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