Can a simple questionnaire accurately track your veggie intake?
NCT ID NCT02610023
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times
Summary
This study tests how well three different food frequency questionnaires estimate how many fruits and vegetables people eat. Researchers will compare the questionnaire results to actual diet records and blood and skin tests for carotenoids—natural pigments found in plants. The goal is to find a simple, accurate tool for measuring dietary intake in healthy adults.
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center
Columbus, Ohio, 43210, United States
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