Document Detail


Longitudinal trends in diet and effects of sex, race, and education on dietary quality score change: the Coronary Artery Risk Development in Young Adults study.
MedLine Citation:
PMID:  22301926     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: The food supply and dietary preferences have changed in recent decades.
OBJECTIVE: We studied time- and age-related individual and population-wide changes in a dietary quality score and food groups during 1985-2006.
DESIGN: The Coronary Artery Risk Development in Young Adults (CARDIA) study of 5115 black and white men and women [aged 18-30 y at year 0 (1985-1986)] assessed diet at examinations at study years 0, 7 (1992-1993), and 20 (2005-2006). The dietary quality score, which was validated by its inverse association with cardiovascular disease risk, summed 46 food groups rated by investigators as positive or negative on the basis of hypothesized health effects. We used repeated-measures regression to estimate time-specific mean diet scores and servings per day of food groups.
RESULTS: In 2652 participants with all 3 diet assessments, the mean (±SD) dietary quality score increased from 64.1 ± 13.0 at year 0 to 71.1 ± 12.6 at year 20, which was mostly attributable to increased age. However, the secular trend, which was estimated from differences of dietary quality scores across time at a fixed age (age-matched time trend) decreased. The diet score was higher in whites than in blacks and in women than in men and increased with education, but demographic gaps in the score narrowed over 20 y. There tended to be increases in positively rated food groups and decreases in negatively rated food groups, which were generally similar in direction across demographic groups.
CONCLUSIONS: The CARDIA study showed many age-related, desirable changes in food intake over 20 y of observation, despite a secular trend toward a lower diet quality. Nevertheless, demographic disparities in diet persist.
Authors:
Femke P C Sijtsma; Katie A Meyer; Lyn M Steffen; James M Shikany; Linda Van Horn; Lisa Harnack; Daan Kromhout; David R Jacobs
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Publication Detail:
Type:  Journal Article; Multicenter Study; Research Support, N.I.H., Extramural     Date:  2012-02-01
Journal Detail:
Title:  The American journal of clinical nutrition     Volume:  95     ISSN:  1938-3207     ISO Abbreviation:  Am. J. Clin. Nutr.     Publication Date:  2012 Mar 
Date Detail:
Created Date:  2012-02-21     Completed Date:  2012-04-09     Revised Date:  2013-06-26    
Medline Journal Info:
Nlm Unique ID:  0376027     Medline TA:  Am J Clin Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  580-6     Citation Subset:  AIM; IM    
Affiliation:
Division of Epidemiology and Community Health, School of Public Health, University of Minnesota, Minneapolis, MN 55454, USA.
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
African Continental Ancestry Group
Choice Behavior
Coronary Artery Disease / epidemiology,  ethnology
Coronary Vessels
Cross-Sectional Studies
Diet*
Diet Surveys*
Dietary Fats / administration & dosage
European Continental Ancestry Group
Female
Follow-Up Studies
Food Habits*
Food Preferences
Humans
Interviews as Topic
Longitudinal Studies
Male
Middle Aged
Questionnaires
Risk Factors
Sex Factors
Socioeconomic Factors
Young Adult
Grant Support
ID/Acronym/Agency:
N01-HC-48047/HC/NHLBI NIH HHS; N01-HC-48048/HC/NHLBI NIH HHS; N01-HC-48049/HC/NHLBI NIH HHS; N01-HC-48050/HC/NHLBI NIH HHS; N01-HC-95095/HC/NHLBI NIH HHS; R01-HL-53560/HL/NHLBI NIH HHS; T32 HL07779/HL/NHLBI NIH HHS
Chemical
Reg. No./Substance:
0/Dietary Fats
Comments/Corrections
Comment In:
Am J Clin Nutr. 2012 Jul;96(1):219-20; author reply 220-2   [PMID:  22718779 ]
Am J Clin Nutr. 2012 Jul;96(1):220; author reply 220-2   [PMID:  22718780 ]
Am J Clin Nutr. 2012 Jul;96(1):219; author reply 220-2   [PMID:  22718778 ]

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