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Open AccessArticle

How Often and How Much? Differences in Dietary Intake by Frequency and Energy Contribution Vary among U.S. Adults in NHANES 2007–2012

1
Department of Nutrition Science, Purdue University, 700 West State St., West Lafayette, IN 47907, USA
2
Epidemiology Program, University of Hawaii Cancer Center, 701 Ilalo St., Honolulu, HI 96813, USA
*
Author to whom correspondence should be addressed.
Nutrients 2017, 9(1), 86; https://doi.org/10.3390/nu9010086
Received: 24 December 2016 / Revised: 17 January 2017 / Accepted: 18 January 2017 / Published: 23 January 2017
(This article belongs to the Special Issue Technology Based Approaches to Dietary Intake Assessment)
The objective of this study was to determine the top frequently reported foods or beverages and the top foods or beverages grouped by broad and specific What We Eat In America (WWEIA) categories for adult age groups of 19 to 35 years, 36 to 55 years, and ≥65 years (n = 16,399) using data drawn from the cross-sectional, WWEIA, National Health And Nutrition Examination Survey (NHANES) 2007–2012 and to compare intake of broad WWEIA categories ranked by frequency and by energy contribution among these adult age groups. Ranking, unadjusted and weighted frequencies, and the proportion of reported foods or energy out of all reported foods or energy were determined and stratified by age. The Rao–Scott modified chi-square was used to test for significant differences among age groups. Results support dietary quality differences by age; intake of broad WWEIA categories was significantly different among age groups by frequency for alcohol, water, and condiment/sauces. Energy contributions significantly differed among age groups for protein foods, snacks/sweets, and beverages. Frequently reported foods and beverages may be used to inform the creation of search tools used for automatic and user-verified identification of foods and beverages in mobile- or technology-based dietary assessment. View Full-Text
Keywords: frequently consumed foods; food intake; dietary intake; US adults; energy intake frequently consumed foods; food intake; dietary intake; US adults; energy intake
MDPI and ACS Style

Eicher-Miller, H.A.; Boushey, C.J. How Often and How Much? Differences in Dietary Intake by Frequency and Energy Contribution Vary among U.S. Adults in NHANES 2007–2012. Nutrients 2017, 9, 86.

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