Evaluation of web-based, self-administered, graphical food frequency questionnaire

Alan R. Kristal, Ann S. Kolar, James L. Fisher, Jesse Plascak, Phyllis J. Stumbo, Rick Weiss, Electra D. Paskett

Research output: Contribution to journalArticle

41 Citations (Scopus)

Abstract

Computer-administered food frequency questionnaires (FFQs) can address limitations inherent in paper questionnaires by allowing very complex skip patterns, portion size estimation based on food pictures, and real-time error checking. We evaluated a web-based FFQ, the Graphical Food Frequency System (GraFFS). Participants completed the GraFFS, six telephone-administered 24-hour dietary recalls over the next 12 weeks, followed by a second GraFFS. Participants were 40 men and 34 women, aged 18 to 69years, living in the Columbus, OH, area. Intakes of energy, macronutrients, and 17micronutrients/food components were estimated from the GraFFS and the mean of all recalls. Bias (second GraFFS minus recalls) was-9%,-5%,+4%, and-4% for energy and percentages of energy from fat, carbohydrate, and protein, respectively. De-attenuated, energy-adjusted correlations (intermethod reliability) between the recalls and the second GraFFS for fat, carbohydrate, protein, and alcohol were 0.82, 0.79, 0.67, and 0.90, respectively; for micronutrients/food components the median was 0.61 and ranged from 0.40 for zinc to 0.92 for beta carotene. The correlations between the two administrations of the GraFFS (test-retest reliability) for fat, carbohydrate, protein, and alcohol were 0.60, 0.63, 0.73, and 0.87, respectively; among micronutrients/food components the median was 0.67 and ranged from 0.49 for vitamin B-12 to 0.82 for fiber. The measurement characteristics of the GraFFS were at least as good as those reported for most paper FFQs, and its high intermethod reliability suggests that further development of computer-administered FFQs is warranted.

Original languageEnglish (US)
Pages (from-to)613-621
Number of pages9
JournalJournal of the Academy of Nutrition and Dietetics
Volume114
Issue number4
DOIs
StatePublished - Jan 1 2014

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food frequency questionnaires
Food
carbohydrates
dietary minerals
energy
alcohols
lipids
portion size
Micronutrients
Fats
diet recall
Carbohydrates
proteins
Surveys and Questionnaires
vitamin B12
beta-carotene
energy intake
dietary fiber
Alcohols
questionnaires

All Science Journal Classification (ASJC) codes

  • Food Science
  • Nutrition and Dietetics

Cite this

Kristal, Alan R. ; Kolar, Ann S. ; Fisher, James L. ; Plascak, Jesse ; Stumbo, Phyllis J. ; Weiss, Rick ; Paskett, Electra D. / Evaluation of web-based, self-administered, graphical food frequency questionnaire. In: Journal of the Academy of Nutrition and Dietetics. 2014 ; Vol. 114, No. 4. pp. 613-621.
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Evaluation of web-based, self-administered, graphical food frequency questionnaire. / Kristal, Alan R.; Kolar, Ann S.; Fisher, James L.; Plascak, Jesse; Stumbo, Phyllis J.; Weiss, Rick; Paskett, Electra D.

In: Journal of the Academy of Nutrition and Dietetics, Vol. 114, No. 4, 01.01.2014, p. 613-621.

Research output: Contribution to journalArticle

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