Significant Relationships Exist between Perceived and Objective Diet Quality in Young Adults

Document Type

Article

Publication Title

Journal of the Academy of Nutrition and Dietetics

ISSN

2212-2680

Volume

120

Issue

1

DOI

10.1016/j.jand.2019.06.002

First Page

103

Last Page

110

Publication Date

1-1-2020

Abstract

Background: There is a disproportionate burden of low diet quality among young adults compared with other adult subpopulations that is not understood. Perceived and objective diet qualities are studied to understand possible barriers to change.

Objective: To explore the association between perceived diet quality and objective diet quality in young adults in the United States.

Design: This cross-sectional study used data from the 2013-2014 National Health and Nutrition Examination Survey to calculate total Healthy Eating Index-2010 (HEI-2010) score and component scores and study their relationships with perceived diet quality scores.

Participants/setting: The sample consisted of 1,261 young adults, aged 18 to 30, with 24-hour recall data.

Main outcome measures: Perceived and objective diet quality were evaluated.

Statistical analyses performed: Multiple regression analysis was used to test the ability to predict total HEI-2010 scores from perceived diet quality scores. Ordered logit was used to test whether HEI-2010 component scores predicted the odds of having higher perceived diet quality.

Results: Excellent (b=8.442, P

Conclusions: There are significant relationships between perceived and objective diet quality, but other variables play a substantial role in explaining these two types of diet quality.

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