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J Health Psychol. 2019 Dec;24(14):2042-2059. doi: 10.1177/1359105317714318. Epub 2017 Jul 21.

People with a body mass index ⩾30 under-report their dietary intake: A systematic review.

Author information

1
London Metropolitan University, UK.

Abstract

Under-reporting of total energy intake is a common and well-known source of measurement error in dietary assessment, and evidence suggests that this bias is particularly significant in obese individuals. After a multi-stage selection process of eligible papers, this literature review appraised 34 papers detailing the accuracy of self-reported dietary intake in people with an obese body mass index (BMI ⩾ 30). The available literature to date shows that having a body mass index ⩾30 is associated with significant under-reporting of food intake. Future research should look into identifying effective techniques to reduce this bias in clinical practice.

KEYWORDS:

24-hour dietary recall; dietary intake; nutrition assessment; obesity; self-reported energy intake; under-reporting

PMID:
28810493
DOI:
10.1177/1359105317714318

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