Relative Validity and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire for Determining Nutrient Intake in Older Adults in New Zealand: The REACH Study

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dc.citation.issue3
dc.citation.volume14
dc.contributor.authorYu AD
dc.contributor.authorMumme KD
dc.contributor.authorConlon CA
dc.contributor.authorvon Hurst PR
dc.contributor.authorGillies N
dc.contributor.authorHeath A-L
dc.contributor.authorCoad J
dc.contributor.authorBeck KL
dc.contributor.editorSmith GI
dc.coverage.spatialSwitzerland
dc.date.accessioned2023-08-18T03:41:03Z
dc.date.accessioned2023-09-04T01:41:33Z
dc.date.available2022-01-25
dc.date.available2023-08-18T03:41:03Z
dc.date.available2023-09-04T01:41:33Z
dc.date.issued2022-02
dc.date.updated2023-08-18T03:22:05Z
dc.descriptionCopyright: © 2022 by the authors.en_US
dc.description.abstractDietary intake is an important predictor of health and disease outcomes. This cross-sectional study evaluated the relative validity and reproducibility of a semi-quantitative food frequency questionnaire (FFQ) for assessing energy and nutrient intake in older adults. Dietary data were collected 2018-2019 in Auckland, New Zealand from a convenience sample of community-dwelling adults (65-74 years, n = 294, 37% male) using a 109-item self-administered FFQ at baseline (FFQ1) and four weeks later to assess reproducibility. FFQ1 was compared to a four-day food record to determine relative validity. Agreement between dietary assessment tools was assessed for both raw and energy-adjusted nutrient intakes using paired t-tests, correlation coefficients, weighted kappa statistic, Bland-Altman plots, and linear regression analysis. Energy adjustments moderately improved the relative validity and reproducibility for most nutrients. For energy and energy-adjusted nutrient intakes, the mean correlation coefficients were 0.38 (validity) and 0.65 (reproducibility); the mean weighted kappa statistics were 0.27 (validity) and 0.51 (reproducibility). A significant slope of bias was present in 54% (validity) and 25% (reproducibility) of Bland-Altman plots. The Researching Eating, Activity, and Cognitive Health (REACH) FFQ has acceptable relative validity and good reproducibility for ranking nutrient intakes in older New Zealand adults, but is less suitable for assessing absolute nutrient intakes.
dc.description.confidentialfalse
dc.edition.editionFebruary 2022
dc.format.extent519-
dc.identifierARTN 519
dc.identifiernu14030519
dc.identifierhttps://www.ncbi.nlm.nih.gov/pubmed/35276880
dc.identifier.citationYu AD, Mumme KD, Conlon CA, von Hurst PR, Gillies N, Heath A-L, Coad J, Beck KL. (2022). Relative Validity and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire for Determining Nutrient Intake in Older Adults in New Zealand: The REACH Study.. Nutrients. 14. 3. (pp. 519-).
dc.identifier.doi10.3390/nu14030519
dc.identifier.eissn2072-6643
dc.identifier.elements-typejournal-article
dc.identifier.harvestedMassey_Dark
dc.identifier.issn2072-6643
dc.identifier.urihttp://hdl.handle.net/10179/19983
dc.languageeng
dc.publisherMDPI (Basel, Switzerland)
dc.publisher.urihttps://www.mdpi.com/2072-6643/14/3/519
dc.relation.isPartOfNutrients
dc.rightsCC BY 4.0en_US
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en_US
dc.subjectdietary assessment tool
dc.subjectfood diary
dc.subjectfood frequency questionnaire
dc.subjectmacronutrient intake
dc.subjectmicronutrient intake
dc.subjectnutrition assessment
dc.subjectvalidation
dc.subjectAged
dc.subjectCross-Sectional Studies
dc.subjectEating
dc.subjectFemale
dc.subjectHumans
dc.subjectMale
dc.subjectNew Zealand
dc.subjectReproducibility of Results
dc.subjectSurveys and Questionnaires
dc.titleRelative Validity and Reproducibility of a Semi-Quantitative Food Frequency Questionnaire for Determining Nutrient Intake in Older Adults in New Zealand: The REACH Study
dc.typeJournal article
pubs.elements-id450826
pubs.organisational-groupOther
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