Biochemical Validation of the Older Australian’s Food Frequency Questionnaire Using Carotenoids and Vitamin E
Background: Validation of a food frequency questionnaire (FFQ) is important, as inaccurate and imprecise information may affect the association between dietary exposure and health outcomes. Objective: This study assessed the validity of the Older Australian’s FFQ against plasma carotenoids and Vitam...
Main Authors: | , , , |
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Format: | Online |
Language: | English |
Published: |
MDPI
2014
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Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4245571/ |