Authors
Zhilei Shan, Colin D Rehm, Gail Rogers, Mengyuan Ruan, Dong D Wang, Frank B Hu, Dariush Mozaffarian, Fang Fang Zhang, Shilpa N Bhupathiraju
Publication date
2019/9/24
Journal
Jama
Volume
322
Issue
12
Pages
1178-1187
Publisher
American Medical Association
Description
Importance
Changes in the economy, nutrition policies, and food processing methods can affect dietary macronutrient intake and diet quality. It is essential to evaluate trends in dietary intake, food sources, and diet quality to inform policy makers.
Objective
To investigate trends in dietary macronutrient intake, food sources, and diet quality among US adults.
Design, Setting, and Participants
Serial cross-sectional analysis of the US nationally representative 24-hour dietary recall data from 9 National Health and Nutrition Examination Survey cycles (1999-2016) among adults aged 20 years or older.
Exposure
Survey cycle.
Main Outcomes and Measures
Dietary intake of macronutrients and their subtypes, food sources, and the Healthy Eating Index 2015 (range, 0-100; higher scores indicate better diet quality; a minimal clinically important difference has not been defined).
Results
There were 43 996 respondents (weighted …
Total citations
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