作者
Dong D Wang, Cindy W Leung, Yanping Li, Eric L Ding, Stephanie E Chiuve, Frank B Hu, Walter C Willett
发表日期
2014/10/1
期刊
JAMA internal medicine
卷号
174
期号
10
页码范围
1587-1595
出版商
American Medical Association
简介
Importance
Many changes in the economy, policies related to nutrition, and food processing have occurred within the United States since 2000, and the net effect on dietary quality is not clear. These changes may have affected various socioeconomic groups differentially.
Objective
To investigate trends in dietary quality from 1999 to 2010 in the US adult population and within socioeconomic subgroups.
Design, Setting, and Participants
Nationally representative sample of 29 124 adults aged 20 to 85 years from the US 1999 to 2010 National Health and Nutrition Examination Survey.
Main Outcomes and Measures
The Alternate Healthy Eating Index 2010 (AHEI-2010), an 11-dimension score (range, 0-10 for each component score and 0-110 for the total score), was used to measure dietary quality. A higher AHEI-2010 score indicated a more healthful diet.
Results
The energy-adjusted mean of the AHEI-2010 increased …
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DD Wang, CW Leung, Y Li, EL Ding, SE Chiuve, FB Hu… - JAMA internal medicine, 2014