2014
DOI: 10.2196/jmir.3355
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Online Dietary Intake Estimation: Reproducibility and Validity of the Food4Me Food Frequency Questionnaire Against a 4-Day Weighed Food Record

Abstract: BackgroundAdvances in nutritional assessment are continuing to embrace developments in computer technology. The online Food4Me food frequency questionnaire (FFQ) was created as an electronic system for the collection of nutrient intake data. To ensure its accuracy in assessing both nutrient and food group intake, further validation against data obtained using a reliable, but independent, instrument and assessment of its reproducibility are required.ObjectiveThe aim was to assess the reproducibility and validit… Show more

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Cited by 152 publications
(242 citation statements)
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“…Depending on the system the tools require more or less input from the user. On the whole, users prefer the new technology approach to the traditional interviewer or paper-based systems (6,(13)(14)(15)(16) . However, this may depend on technology readiness and experience with online systems (1,16) .…”
Section: Why Do We Need New Methods and What New Methods Are Available?mentioning
confidence: 99%
“…Depending on the system the tools require more or less input from the user. On the whole, users prefer the new technology approach to the traditional interviewer or paper-based systems (6,(13)(14)(15)(16) . However, this may depend on technology readiness and experience with online systems (1,16) .…”
Section: Why Do We Need New Methods and What New Methods Are Available?mentioning
confidence: 99%
“…The Food4Me online-FFQ has been validated against a 4-day weighed food record, and the agreement between methods varied, with correlations ranging from .23 (vitamin D) to .65 (protein, % total energy) for nutrient intakes and .11 (soups, sauces and miscellaneous foods) to .73 (yogurts) for food group intake (Fallaize et al 2014;Forster et al 2014). Intakes of foods and nutrients were computed in real time using a food composition database …”
Section: Food Frequency Questionnaire (Ffq)mentioning
confidence: 99%
“…The Food4Me FFQ, for use among adult populations, provided validation data only for 'Other beverages' grouped together, described as including all beverages except milk, alcoholic beverages, tea and coffee (104) and including fruit juices, carbonated beverages and squash (105) . These instruments are summarised in Table 2.…”
Section: Validationmentioning
confidence: 99%