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Factors Associated with Misreporting of Energy Intake in Food Records: A Validation Study with DLW in Brazilian Low Income Adults
Author(s) -
Lopes Tais,
Hoffman Daniel,
Ferrioli Eduardo,
Luiz Ronir,
Sichieri Rosely,
Pereira Rosangela
Publication year - 2015
Publication title -
the faseb journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.709
H-Index - 277
eISSN - 1530-6860
pISSN - 0892-6638
DOI - 10.1096/fasebj.29.1_supplement.131.5
Subject(s) - doubly labeled water , demography , low income , medicine , limits of agreement , energy expenditure , total energy expenditure , zoology , biology , socioeconomics , economics , nuclear medicine , sociology
Objective To assess the magnitude of underreport of energy intake (EI) obtained with food records (FR) in low–income adults, and characteristics associated. Methods The studied group included 84 adults (20 ‐ 60 years old). Energy expenditure (EE) was estimated using the Doubly labelled water (DLW) method. To define misreporting, the 95% limits of agreement were used. Student T‐test was applied to evaluate differences in the magnitude of misreporting according to exploratory variables (p<0.05). Results The limits indicating under and over report were 0.62 and 1.32 for the ratio EI/EE. Underreport of EI was observed in 29% of the participants. In average, UR energy was about 30%. Men presented smaller magnitude of underreported (UR) EI than women. The proportion of UR was higher among less educated participants compared to those who had at least 8 years of education (‐37% vs. ‐25%; p=0.02). Individuals with irregular meals profile showed greater magnitude of UR when compared to those that reported having regularly the main meals (‐46% vs. ‐28%; p=0.03). There was a greater chance of EI underreporting among individuals that regularly replaced lunch or dinner by a snack (OR: 4.5; CI95%: 1.3; 16.1).